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<h2 id="Flutter简介"><a href="#Flutter简介" class="headerlink" title="Flutter简介"></a>Flutter简介</h2><h3 id="极速构建漂亮的原生应用"><a href="#极速构建漂亮的原生应用" class="headerlink" title="极速构建漂亮的原生应用"></a>极速构建漂亮的原生应用</h3><p>Flutter是谷歌的移动UI框架，可以快速在iOS和Android上构建高质量的原生用户界面。 Flutter可以与现有的代码一起工作。在全世界，Flutter正在被越来越多的开发者和组织使用，并且Flutter是完全免费、开源的。</p>
<h2 id="Flutter的安装"><a href="#Flutter的安装" class="headerlink" title="Flutter的安装"></a>Flutter的安装</h2><ol>
<li><p>安装Git工具，因为获去Flutter需要Git命令</p>
</li>
<li><p>获取Flutter : git clone -b beta <a target="_blank" rel="noopener" href="https://github.com/flutter/flutter.git">https://github.com/flutter/flutter.git</a></p>
</li>
<li><p>配置环境变量<br>a. 临时变量：</p>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">export PUB_HOSTED_URL=https://pub.flutter-io.cn //国内用户需要设置</span><br><span class="line">export FLUTTER_STORAGE_BASE_URL=https://storage.flutter-io.cn //国内用户需要置</span><br><span class="line">export PATH=`pwd`/flutter/bin:$PATH</span><br></pre></td></tr></table></figure>
<p>b. 永久变量：<br>转到 “控制面板>用户帐户>用户帐户>更改我的环境变量”<br>在“用户变量”下检查是否有名为“Path”的条目:<br>如果该条目存在, 追加 flutter\bin的全路径，使用 ; 作为分隔符.<br>如果条目不存在, 创建一个新用户变量 Path ，然后将 flutter\bin的全路径作为它的值.<br>在“用户变量”下检查是否有名为”PUB_HOSTED_URL”和”FLUTTER_STORAGE_BASE_URL”的条目，如果没有，也添加它们。</p>
</li>
<li><p>安装依赖<br>运行 flutter doctor 检测需要的安装项</p>
</li>
<li><p>检测设备连接<br>flutter devices</p>
</li>
<li><p>Flutter开发工具IDEA开发环境搭建<br>安装flutter和dart插件，插件的安装安装下图操作：<br>file->setting->Browse repositories<br>或者选择install plugin from disk 本地安装</p>
</li>
<li><p>Flutter的android开发的环境搭建<br>a. 安装android sdk<br>b. idea里面配置jdk和android sdk<br>需要配置JDK和Android SDK</p>
</li>
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<h2 id="参考网站"><a href="#参考网站" class="headerlink" title="参考网站"></a>参考网站</h2><ol>
<li>Flutter百度百科： <a target="_blank" rel="noopener" href="https://baike.baidu.com/item/Flutter/22498985">https://baike.baidu.com/item/Flutter/22498985</a></li>
<li>Flutter中文学习网址: <a target="_blank" rel="noopener" href="https://flutterchina.club/">https://flutterchina.club</a></li>
<li>React Native 中文学习网： <a target="_blank" rel="noopener" href="https://reactnative.cn/docs/0.20/getting-started.html">https://reactnative.cn/docs/0.20/getting-started.html</a></li>
<li>几款移动跨平台App开发框架比较： <a target="_blank" rel="noopener" href="https://wiki.lhqmm.com/my/?wid=74b1c7589c684cf3abbbe86197f5e5fb">https://wiki.lhqmm.com/my/?wid=74b1c7589c684cf3abbbe86197f5e5fb</a></li>
<li>React Native百度百科：<a target="_blank" rel="noopener" href="https://baike.baidu.com/item/react%20native/20307162?fr=aladdin">https://baike.baidu.com/item/react%20native/20307162?fr=aladdin</a></li>
<li>Dart百度百科：<a target="_blank" rel="noopener" href="https://baike.baidu.com/item/dart%E8%AF%AD%E8%A8%80/4117161?fr=aladdin">https://baike.baidu.com/item/dart%E8%AF%AD%E8%A8%80/4117161?fr=aladdin</a></li>
<li>Dart学习社区： <a target="_blank" rel="noopener" href="http://www.cndartlang.com/">http://www.cndartlang.com/</a></li>
</ol>
<h3 id="Android-studio下载地址"><a href="#Android-studio下载地址" class="headerlink" title="Android studio下载地址"></a>Android studio下载地址</h3><p><a target="_blank" rel="noopener" href="https://developer.android.google.cn/">https://developer.android.google.cn/</a><br>原来的android开发者社区<a target="_blank" rel="noopener" href="https://developer.android.google.com/">https://developer.android.google.com</a> 已经不能访问了。</p>
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</header>
<div class="post-body" itemprop="articleBody">
<h1 id="技术工具"><a href="#技术工具" class="headerlink" title="技术工具"></a>技术工具</h1><ol>
<li><a target="_blank" rel="noopener" href="http://sfz.uzuzuz.com/">身份证生成器</a></li>
<li><a target="_blank" rel="noopener" href="https://docs.microsoft.com/zh-cn/">windows系统官方使用文档</a></li>
</ol>
<h2 id="技术网址"><a href="#技术网址" class="headerlink" title="技术网址"></a>技术网址</h2><ul>
<li><a target="_blank" rel="noopener" href="https://www.deepl.com/translator">https://www.deepl.com/translator 专业技术翻译网站</a></li>
<li><a target="_blank" rel="noopener" href="https://www.websequencediagrams.com/">https://www.websequencediagrams.com 在线序列图</a></li>
<li><a target="_blank" rel="noopener" href="http://bestcbooks.com/">http://bestcbooks.com/</a> 计算机书籍控</li>
<li><a target="_blank" rel="noopener" href="https://leetcode-cn.com/">https://leetcode-cn.com/</a> 力扣（算法）</li>
<li><a target="_blank" rel="noopener" href="https://dev.tencent.com/">https://dev.tencent.com</a> 腾讯云开发</li>
<li><a target="_blank" rel="noopener" href="https://coding.net/">https://coding.net/</a> 码市</li>
<li><a target="_blank" rel="noopener" href="https://stackoverflow.com/questions">https://stackoverflow.com/questions</a> 问题搜索博客</li>
<li><a target="_blank" rel="noopener" href="https://blog.csdn.net/zhang89xiao/article/details/79084481">https://blog.csdn.net/zhang89xiao/article/details/79084481</a> 2017 开源中国评比的前100个优秀开源项目</li>
<li><a target="_blank" rel="noopener" href="http://debugx5.qq.com/">http://debugx5.qq.com</a> 清除Android的微信&公众号缓存</li>
<li><a target="_blank" rel="noopener" href="https://gitbook.cn/">https://gitbook.cn</a> gitbook一个基于微信的只是分享</li>
<li><a target="_blank" rel="noopener" href="https://www.eolinker.com/">https://www.eolinker.com</a> API管理</li>
<li><a target="_blank" rel="noopener" href="https://developer.android.google.cn/">https://developer.android.google.cn/</a> android开发者社区</li>
<li><a target="_blank" rel="noopener" href="http://www.logosc.cn/">http://www.logosc.cn/</a> 在线logo生成</li>
<li><a target="_blank" rel="noopener" href="https://pandao.github.io/editor.md/">https://pandao.github.io/editor.md/</a> 开源的markdown编辑器</li>
<li><a target="_blank" rel="noopener" href="http://itchat.readthedocs.io/zh/latest/">http://itchat.readthedocs.io/zh/latest/</a> itchat Pyton微信接口</li>
<li><a target="_blank" rel="noopener" href="https://segmentfault.com/a/1190000009420701">https://segmentfault.com/a/1190000009420701</a></li>
<li><a target="_blank" rel="noopener" href="https://code.ziqiangxuetang.com/django/django-tutorial.html">https://code.ziqiangxuetang.com/django/django-tutorial.html</a> 自强学堂Django学习</li>
<li><a target="_blank" rel="noopener" href="http://mustache.github.io/">http://mustache.github.io/</a> mustache官网</li>
<li><a target="_blank" rel="noopener" href="https://github.com/janl/mustache.js">https://github.com/janl/mustache.js</a> js里面运用mustache</li>
<li><a target="_blank" rel="noopener" href="http://www.sucaihuo.com/">http://www.sucaihuo.com/</a> 素材火官网（素材网站）</li>
<li><a target="_blank" rel="noopener" href="https://docs.docker.com/">https://docs.docker.com</a> docker 官网</li>
<li><a target="_blank" rel="noopener" href="https://www.rfc-editor.org/errata_search.php?rfc=5789">https://www.rfc-editor.org/errata_search.php?rfc=5789</a> RFC网站</li>
<li><a target="_blank" rel="noopener" href="https://pay.weixin.qq.com/wiki/doc/api/index.html">https://pay.weixin.qq.com/wiki/doc/api/index.html</a> 普通商户微信支付</li>
<li><a target="_blank" rel="noopener" href="http://qydev.weixin.qq.com/wiki/index.php">http://qydev.weixin.qq.com/wiki/index.php</a> 企业号微信支付</li>
<li><a target="_blank" rel="noopener" href="https://caniuse.com/">https://caniuse.com</a> 查看css的兼容性（不是太准确）</li>
<li><a target="_blank" rel="noopener" href="http://nipponcolors.com/#sumire">http://nipponcolors.com/#sumire</a> 日本的一个视觉网站</li>
<li><a target="_blank" rel="noopener" href="http://swlabs.co/madmin/code/ui-treeview.html">http://swlabs.co/madmin/code/ui-treeview.html</a> bootstrap3模板</li>
<li><a target="_blank" rel="noopener" href="https://deuhd.ru/">https://deuhd.ru/</a> 俄罗斯出品的解锁加密影片 DeUHD</li>
<li><a target="_blank" rel="noopener" href="https://pay.weixin.qq.com/wiki/doc/api/index.html">https://pay.weixin.qq.com/wiki/doc/api/index.html</a> 微信支付开发文档</li>
<li><a target="_blank" rel="noopener" href="https://developer.android.com/">https://developer.android.com</a> android官网，需用VPN工具（lantern）才能打开</li>
<li><a target="_blank" rel="noopener" href="https://github.com/otale/tale/wiki">https://github.com/otale/tale/wiki</a> tale使用</li>
<li><a target="_blank" rel="noopener" href="https://supermind.nl/submin/current">https://supermind.nl/submin/current</a> subversion web管理submin 下载地址</li>
<li><a target="_blank" rel="noopener" href="https://github.com/jemalloc/jemalloc/releases/">https://github.com/jemalloc/jemalloc/releases/</a> jemalloc 下载地址</li>
<li><a target="_blank" rel="noopener" href="http://www.cssmoban.com/tags.asp?n=Bootstrap">http://www.cssmoban.com/tags.asp?n=Bootstrap</a> 模板之家，静态网站</li>
<li><a target="_blank" rel="noopener" href="https://www.gitlab.com.cn/installation/#centos-7">https://www.gitlab.com.cn/installation/#centos-7</a> gitlab 安装官方文档</li>
<li><a target="_blank" rel="noopener" href="https://www.getlantern.org/en_US/">https://www.getlantern.org/en_US/</a> 蓝灯官网 vpn软件</li>
<li><a target="_blank" rel="noopener" href="https://h5.baidu.com/">https://h5.baidu.com</a> 百度的H5编辑</li>
<li>支持一键导入 PSD、简单上传操作、在线编辑，全自动完成从 PSD 到 H5 页面雏型的转换</li>
<li><a target="_blank" rel="noopener" href="http://cli.im/">http://cli.im/</a> 草料二维码生成</li>
<li><a target="_blank" rel="noopener" href="http://www.lanrenzhijia.com/">http://www.lanrenzhijia.com/</a> 懒人之家 js/css素材</li>
<li><a target="_blank" rel="noopener" href="https://mp.weixin.qq.com/debug/wxadoc/dev/devtools/download.html?t=201715%E5%BE%AE%E4%BF%A1%E5%B0%8F%E7%A8%8B%E5%BA%8F%E4%B8%8B%E8%BD%BD">https://mp.weixin.qq.com/debug/wxadoc/dev/devtools/download.html?t=201715微信小程序下载</a></li>
<li><a target="_blank" rel="noopener" href="http://www.rabbitmq.com/releases/erlang/">http://www.rabbitmq.com/releases/erlang/</a></li>
<li><a target="_blank" rel="noopener" href="https://github.com/nuysoft/Mock/wiki/Getting-Started">https://github.com/nuysoft/Mock/wiki/Getting-Started</a> mock.js</li>
<li><a target="_blank" rel="noopener" href="https://mp.weixin.qq.com/wiki?t=resource/res_main&id=mp1445241432">https://mp.weixin.qq.com/wiki?t=resource/res_main&id=mp1445241432</a> 微信公众号开发</li>
<li><a href="mailto:1028787760@qq.com">1028787760@qq.com</a>/1988090591hua</li>
<li><a target="_blank" rel="noopener" href="http://www.xmlpull.org/">http://www.xmlpull.org/</a> xml解析</li>
<li><a target="_blank" rel="noopener" href="http://mvnrepository.com/artifact">http://mvnrepository.com/artifact</a> jar maven地址</li>
<li><a target="_blank" rel="noopener" href="http://lbs.amap.com/api/javascript-api/example/district-search/city-drop-down-list">http://lbs.amap.com/api/javascript-api/example/district-search/city-drop-down-list</a> 高德地图接口</li>
<li><a target="_blank" rel="noopener" href="http://developer.jasig.org/cas/">http://developer.jasig.org/cas/</a> cas下载</li>
<li><a target="_blank" rel="noopener" href="http://jingyan.baidu.com/article/9989c746064d46f648ecfe9a.html">http://jingyan.baidu.com/article/9989c746064d46f648ecfe9a.html</a> 如何在oracle下载jdk历史版本</li>
<li><a target="_blank" rel="noopener" href="https://sourceforge.net/projects/artifactory/">https://sourceforge.net/projects/artifactory/</a> artifactory maven仓库构建 （用Nexus也行）</li>
<li><a target="_blank" rel="noopener" href="https://mp.weixin.qq.com/wiki/home/">https://mp.weixin.qq.com/wiki/home/</a> 微信公众号开发文档</li>
<li><a target="_blank" rel="noopener" href="http://www.ui.cn/">http://www.ui.cn/</a> 中国UI</li>
<li><a target="_blank" rel="noopener" href="http://www.oracle.com/technetwork/java/javase/downloads/java-archive-downloads-javase7-521261.html">http://www.oracle.com/technetwork/java/javase/downloads/java-archive-downloads-javase7-521261.html</a> java</li>
<li><a target="_blank" rel="noopener" href="http://www.17sucai.com/">http://www.17sucai.com/</a> 静态网站源码</li>
<li><a target="_blank" rel="noopener" href="https://www.getpostman.com/apps">https://www.getpostman.com/apps</a> 接口调试软件postman网站</li>
<li><a target="_blank" rel="noopener" href="http://www.dedecms.com/">http://www.dedecms.com/</a> 织梦静态网站模版</li>
<li><a target="_blank" rel="noopener" href="http://help.dedecms.com/v53/">http://help.dedecms.com/v53/</a></li>
<li><a target="_blank" rel="noopener" href="https://notepad-plus-plus.org/download/v7.3.html">https://notepad-plus-plus.org/download/v7.3.html</a> notepad++编辑器</li>
<li><a target="_blank" rel="noopener" href="https://github.com/thx/RAP.wiki.git">https://github.com/thx/RAP.wiki.git</a> 可视化接口管理工具 RAP（淘宝开发）</li>
<li><a target="_blank" rel="noopener" href="http://blog.csdn.net/fancylovejava/article/details/45787729/">http://blog.csdn.net/fancylovejava/article/details/45787729/</a> android的UI（炫酷的）</li>
<li><a target="_blank" rel="noopener" href="https://www.pendrivelinux.com/universal-usb-installer-easy-as-1-2-3/">https://www.pendrivelinux.com/universal-usb-installer-easy-as-1-2-3/</a> universal-usb-installer制作U盘装linux</li>
<li><a target="_blank" rel="noopener" href="http://jingyan.baidu.com/article/fec4bce20e344cf2618d8b37.html">http://jingyan.baidu.com/article/fec4bce20e344cf2618d8b37.html</a></li>
<li><a target="_blank" rel="noopener" href="http://www.cnblogs.com/VVingerfly/p/5217723.html">http://www.cnblogs.com/VVingerfly/p/5217723.html</a></li>
<li><a target="_blank" rel="noopener" href="http://python.usyiyi.cn/django/intro/install.html">http://python.usyiyi.cn/django/intro/install.html</a> django文档</li>
<li><a target="_blank" rel="noopener" href="http://materializecss.com/">http://materializecss.com/</a> 是基于谷歌Material Design Language(MDL)设计语言所构建的一套CSS/HTML库</li>
<li><a target="_blank" rel="noopener" href="https://github.com/Dogfalo/materialize">https://github.com/Dogfalo/materialize</a> materialize源码</li>
<li><a target="_blank" rel="noopener" href="http://materializecss.com/showcase.html">http://materializecss.com/showcase.html</a></li>
<li><a target="_blank" rel="noopener" href="https://xituqu.com/640.html">https://xituqu.com/640.html</a> 稀土区， 静态资源。</li>
<li><a target="_blank" rel="noopener" href="http://www.qrcode.com/en/">http://www.qrcode.com/en/</a> 二维码官网</li>
<li><a target="_blank" rel="noopener" href="http://wenku.baidu.com/link?url=iq1lNyYmNdxXjr8mJHVLAwcLuuU_v4_AaZyY9AE9VqhvZnLRQuk6Dda1ILKoGrL1ZqWgd0ArqK1NzDFDn9Q2r3P1jOpKyxuSLlk4uDwGZv7">http://wenku.baidu.com/link?url=iq1lNyYmNdxXjr8mJHVLAwcLuuU_v4_AaZyY9AE9VqhvZnLRQuk6Dda1ILKoGrL1ZqWgd0ArqK1NzDFDn9Q2r3P1jOpKyxuSLlk4uDwGZv7</a></li>
<li><a target="_blank" rel="noopener" href="http://www.myexception.cn/other/1847324.html">http://www.myexception.cn/other/1847324.html</a> 海蜘蛛软路由</li>
<li><a target="_blank" rel="noopener" href="http://www.cygwin.com/">http://www.cygwin.com/</a> cygwin是windows平台上的posix系统模拟环境</li>
<li><a target="_blank" rel="noopener" href="http://redisdoc.com/">http://redisdoc.com/</a> redis命令</li>
<li><a target="_blank" rel="noopener" href="https://redisdesktop.com/download">https://redisdesktop.com/download</a> redis可视化管理工具</li>
<li><a target="_blank" rel="noopener" href="http://www.w3school.com.cn/">http://www.w3school.com.cn/</a> w3school教程</li>
<li><a target="_blank" rel="noopener" href="http://summernote.org/">http://summernote.org/</a> summernote富文本</li>
<li><a target="_blank" rel="noopener" href="http://www.open-open.com/">http://www.open-open.com</a> open开放技术网站</li>
<li><a target="_blank" rel="noopener" href="http://www.oschina.net/">http://www.oschina.net/</a></li>
<li><a target="_blank" rel="noopener" href="http://www.csdn.net/">http://www.csdn.net</a></li>
<li><a target="_blank" rel="noopener" href="http://vdisk.weibo.com/s/sUdlABIlyjroS">http://vdisk.weibo.com/s/sUdlABIlyjroS</a> 新浪书籍网址</li>
<li><a target="_blank" rel="noopener" href="http://tool.oschina.net/apidocs/">http://tool.oschina.net/apidocs/</a> 在线api文档</li>
<li><a target="_blank" rel="noopener" href="https://www.processon.com/diagrams">https://www.processon.com/diagrams</a> 在线画图工具ProcessOn</li>
<li><a target="_blank" rel="noopener" href="http://madmin.swlabs.co/">http://madmin.swlabs.co/</a> bootstrap后台模板 </li>
<li><a target="_blank" rel="noopener" href="http://issues.wenzhixin.net.cn/bootstrap-table/">http://issues.wenzhixin.net.cn/bootstrap-table/</a> boostrap table参考 </li>
<li><a target="_blank" rel="noopener" href="http://issues.wenzhixin.net.cn/bootstrap-table/#methods/scrollTo.html">http://issues.wenzhixin.net.cn/bootstrap-table/#methods/scrollTo.html</a> boostrap 固定表头的tabl </li>
<li><a target="_blank" rel="noopener" href="http://www.runoob.com/try/demo_source/bootstrap-glyph-customization.htm">http://www.runoob.com/try/demo_source/bootstrap-glyph-customization.htm</a> bootstrap的icon图标</li>
<li><a target="_blank" rel="noopener" href="http://repo.spring.io/release/org/springframework/spring/">http://repo.spring.io/release/org/springframework/spring/</a> spring官网 jar包下载</li>
<li><a target="_blank" rel="noopener" href="http://www.gooseeker.com/cn/node/">http://www.gooseeker.com/cn/node/</a> 搜客 开源网络爬虫</li>
<li><a target="_blank" rel="noopener" href="https://curl.haxx.se/download.html">https://curl.haxx.se/download.html</a> curl 工具下载 安装前先安装 <a target="_blank" rel="noopener" href="http://slproweb.com/products/Win32OpenSSL.html">http://slproweb.com/products/Win32OpenSSL.html</a></li>
<li><a target="_blank" rel="noopener" href="http://www.mongovue.com/">http://www.mongovue.com/</a> mongodb 可视化工具 mongovue 下载</li>
<li><a target="_blank" rel="noopener" href="https://www.mongodb.org/dl/win32">https://www.mongodb.org/dl/win32</a> mongodb软件下载</li>
<li><a target="_blank" rel="noopener" href="https://www.mongodb.com/">https://www.mongodb.com</a> mongodb 下载</li>
<li><a target="_blank" rel="noopener" href="https://archive.apache.org/dist/maven/maven-3/">https://archive.apache.org/dist/maven/maven-3/</a> 各种版本maven下载</li>
<li><a target="_blank" rel="noopener" href="http://maven.apache.org/download.cgi">http://maven.apache.org/download.cgi</a> maven 官网，下载地址， 里面有maven对应的jdk版本</li>
<li><a target="_blank" rel="noopener" href="http://www.boyunjian.com/">http://www.boyunjian.com/</a> 拔云剑 源码网站 </li>
<li><a target="_blank" rel="noopener" href="http://www.21cto.com/">http://www.21cto.com/</a> 21CTO社区</li>
<li><a target="_blank" rel="noopener" href="http://36kr.com/">http://36kr.com/</a> 创业者咨询</li>
<li><a target="_blank" rel="noopener" href="http://36kr.com/p/5045631.html">http://36kr.com/p/5045631.html</a> 产品经理」和「功能经理」的区别</li>
<li><a target="_blank" rel="noopener" href="http://www.jikexueyuan.com/">http://www.jikexueyuan.com/</a> 极客学习网站</li>
<li><a target="_blank" rel="noopener" href="http://maven.oschina.net/">http://maven.oschina.net</a> 开源中国Maven库</li>
<li><a target="_blank" rel="noopener" href="http://note.youdao.com/">http://note.youdao.com/</a> 有道云笔记</li>
<li><a target="_blank" rel="noopener" href="http://www.open-open.com/">http://www.open-open.com</a></li>
<li><a target="_blank" rel="noopener" href="http://www.jiagoushuo.com/">http://www.jiagoushuo.com/</a> 架构说</li>
<li><a target="_blank" rel="noopener" href="http://www.hx95.com/">http://www.hx95.com/</a> 黑客网站</li>
<li><a target="_blank" rel="noopener" href="http://abbr.dict.cn/Statistics/Stats">http://abbr.dict.cn/Statistics/Stats</a> 英文简称网站</li>
<li><a target="_blank" rel="noopener" href="http://bbs.9ria.com/thread-44875-1-1.html">http://bbs.9ria.com/thread-44875-1-1.html</a> flex学习</li>
<li><a target="_blank" rel="noopener" href="http://www.cn-java.com/www1/?action-login">http://www.cn-java.com/www1/?action-login</a> java学习：中文java技术网</li>
<li><a target="_blank" rel="noopener" href="http://www.docin.com/list.html">http://www.docin.com/list.html</a> 豆丁学习</li>
<li><a target="_blank" rel="noopener" href="http://home.51cto.com/index.php?s=/space/5084129">http://home.51cto.com/index.php?s=/space/5084129</a> 51CTO首页</li>
<li><a target="_blank" rel="noopener" href="http://ishare.iask.sina.com.cn/download/explain.php?fileid=22242016">http://ishare.iask.sina.com.cn/download/explain.php?fileid=22242016</a></li>
<li><a target="_blank" rel="noopener" href="http://www.56.com/u74/v_ODM2MDUxNjc.html">http://www.56.com/u74/v_ODM2MDUxNjc.html</a></li>
<li><a target="_blank" rel="noopener" href="http://www.cn-java.com/www1/struts.php">http://www.cn-java.com/www1/struts.php</a> 中文Java技术网</li>
<li><a target="_blank" rel="noopener" href="http://115.com/">http://115.com/</a></li>
<li><a target="_blank" rel="noopener" href="http://www.apache.org/dist/httpd/binaries/win32/">http://www.apache.org/dist/httpd/binaries/win32/</a> apache 下载地址</li>
<li><a target="_blank" rel="noopener" href="http://www.cnblogs.com/">www.cnblogs.com</a> 博客园</li>
<li><a target="_blank" rel="noopener" href="http://engineeredweb.com/blog/09/12/preloading-images-jquery-and-javascript/">http://engineeredweb.com/blog/09/12/preloading-images-jquery-and-javascript/</a> jquery 国外网址</li>
<li><a target="_blank" rel="noopener" href="https://code.google.com/">https://code.google.com</a> google代码集</li>
<li><a target="_blank" rel="noopener" href="http://www.2cto.com/">http://www.2cto.com</a></li>
<li><a target="_blank" rel="noopener" href="http://struts.apache.org/release/2.0.x/index.html">http://struts.apache.org/release/2.0.x/index.html</a> struts2 官网</li>
<li><a target="_blank" rel="noopener" href="http://www.linuxidc.com/">http://www.linuxidc.com</a></li>
<li><a target="_blank" rel="noopener" href="https://github.com/jobbole/awesome-python-cn">https://github.com/jobbole/awesome-python-cn</a> python 学习汇总网站</li>
</ul>
<h2 id="资源库"><a href="#资源库" class="headerlink" title="资源库"></a>资源库</h2><ol>
<li>无敌全能综合导航站</li>
</ol>
<ul>
<li>虫部落（聚合搜索平台） <a target="_blank" rel="noopener" href="https://search.chongbuluo.com/">https://search.chongbuluo.com</a></li>
<li>科塔学术（专业学术导航） <a target="_blank" rel="noopener" href="https://site.sciping.com/">https://site.sciping.com</a></li>
<li>码力全开（设计资源导航） <a target="_blank" rel="noopener" href="https://design.maliquankai.com/">https://design.maliquankai.com</a></li>
<li>SeeSeed（设计资源导航2） <a target="_blank" rel="noopener" href="https://www.seeseed.com/">https://www.seeseed.com</a></li>
<li>书享家（电子书资源导航） <a target="_blank" rel="noopener" href="http://shuxiangjia.cn/">http://shuxiangjia.cn</a></li>
<li>HiPPTer（PPT资源导航） <a target="_blank" rel="noopener" href="https://www.hippter.com/">https://www.hippter.com</a></li>
</ul>
<ol start="2">
<li>学习资源</li>
</ol>
<ul>
<li>哔哩哔哩（直接吹爆） <a target="_blank" rel="noopener" href="https://www.bilibili.com/">https://www.bilibili.com</a></li>
<li>第一教程网（课程学习资源） <a target="_blank" rel="noopener" href="https://www.diyijc.com/">https://www.diyijc.com</a></li>
<li>北大教材（精品学习教材） <a target="_blank" rel="noopener" href="https://pup6.yunzhan365.com/bookcase/jmyr/index.html">https://pup6.yunzhan365.com/bookcase/jmyr/index.html</a></li>
<li>考试酷（百万题库网站） <a target="_blank" rel="noopener" href="https://www.examcoo.com/index/ku">https://www.examcoo.com/index/ku</a></li>
<li>外语慕课平台（外语学习好渠道） <a target="_blank" rel="noopener" href="https://moocs.unipus.cn/">https://moocs.unipus.cn</a></li>
</ul>
<ol start="3">
<li>图片视频资源</li>
</ol>
<ul>
<li>Wallhaven（宝藏壁纸网站） <a target="_blank" rel="noopener" href="https://wallhaven.cc/">https://wallhaven.cc</a></li>
<li>Unsplash（优质图片资源） <a target="_blank" rel="noopener" href="https://unsplash.com/">https://unsplash.com</a></li>
<li>Videvo（精品视频图片资源） <a target="_blank" rel="noopener" href="https://www.videvo.net/">https://www.videvo.net</a></li>
<li>Pixabay（图片视频音频图形插画） <a target="_blank" rel="noopener" href="https://pixabay.com/">https://pixabay.com</a></li>
<li>Pexels（老牌图库网站） <a target="_blank" rel="noopener" href="https://www.pexels.com/zh-cn">https://www.pexels.com/zh-cn</a></li>
</ul>
<ol start="4">
<li>稀缺宝藏资源</li>
</ol>
<ul>
<li>千米游戏（全是爷青回游戏） <a target="_blank" rel="noopener" href="https://www.yikm.net/">https://www.yikm.net</a></li>
<li>AirPano（云旅游-巨爽） <a target="_blank" rel="noopener" href="https://www.airpano.org.cn/">https://www.airpano.org.cn</a></li>
<li>Upanso（优质度盘搜索） <a target="_blank" rel="noopener" href="https://upanso.com/">https://upanso.com</a></li>
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<li><a target="_blank" rel="noopener" href="https://mp.weixin.qq.com/s/srIgoFyW9j3z-QnyUPPaGg">阿里-面试题系列：Zookeeper 夺命连环9问</a></li>
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<li>深入理解Java虚拟机</li>
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<li>Spring Boot编程思想</li>
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<li>深度剖析Apache Dubbo核心技术内幕</li>
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<li>深入分布式缓存：从原理到实践</li>
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<li>数据密集型应用系统设计</li>
<li>高可用架构，高可用可伸缩微服务架构：基于Dubbo、Spring Cloud和Service Mesh</li>
<li>微服务架构设计模式</li>
</ul>
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<li>大型网站技术架构演进与性能优化</li>
<li>发布！设计与部署稳定的分布式系统</li>
<li>重构：改善既有代码的设计</li>
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<h3 id="12-程序员成长"><a href="#12-程序员成长" class="headerlink" title="12.程序员成长"></a>12.程序员成长</h3><ul>
<li>高效程序员的45个习惯</li>
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<h3 id="99-其他"><a href="#99-其他" class="headerlink" title="99.其他"></a>99.其他</h3><h2 id="详细推荐书单"><a href="#详细推荐书单" class="headerlink" title="详细推荐书单"></a>详细推荐书单</h2><h4 id="基础入门"><a href="#基础入门" class="headerlink" title="基础入门"></a>基础入门</h4><p>Java编程思想(Thinking in Java)、Java核心技术(Core Java) ，Java8 实战(Java in action)，Effective Java中文版，代码大全</p>
<h4 id="框架入门与深入"><a href="#框架入门与深入" class="headerlink" title="框架入门与深入"></a>框架入门与深入</h4><p>Spring实战(Spring in action)，Hibernate实战（Java Persistence with Hibernate），深入分析Java Web技术内幕，互联网轻量级SSM框架解密，MyBatis 3源码深度解析，Spring技术内幕，Spring Boot技术内幕，Spring微服务实战</p>
<h4 id="NIO与并发编程"><a href="#NIO与并发编程" class="headerlink" title="NIO与并发编程"></a>NIO与并发编程</h4><p>Java并发编程实战（Java Concurrency in Practice），Java并发编程的艺术，Java异步编程实战，Netty实战，Netty权威指南，NIO与Socket编程技术指南，</p>
<h4 id="JVM与性能"><a href="#JVM与性能" class="headerlink" title="JVM与性能"></a>JVM与性能</h4><p>深入理解Java虚拟机，深入理解JVM字节码，Java性能优化权威指南，Java性能权威指南，性能之巅，高可用MySQL，高性能MySQL</p>
<h4 id="分布式与中间件"><a href="#分布式与中间件" class="headerlink" title="分布式与中间件"></a>分布式与中间件</h4><p>分布式系统：概念与设计，分布式消息中间件实践，分布式系统应用设计，数据密集型应用系统设计，分布式服务架构：原理、设计与实战，分布式系统架构，深入分布式缓存：从原理到实践，Kafka权威指南，深入理解Kafka：核心设计与实践原理，Apache Kafka源码剖析，RocketMQ技术内幕：RocketMQ架构设计与实现原理，深度剖析Apache Dubbo核心技术内幕，Redis实战，</p>
<h4 id="架构设计与互联网技术"><a href="#架构设计与互联网技术" class="headerlink" title="架构设计与互联网技术"></a>架构设计与互联网技术</h4><p>系统架构：复杂系统的产品设计与开发，软件架构，分布式系统架构：技术栈详解与快速进阶，亿级流量网站架构核心技术，京东基础架构建设之路，企业IT架构转型之道：阿里巴巴中台战略思想与架构实战，高可用架构，高可用可伸缩微服务架构：基于Dubbo、Spring Cloud和Service Mesh，架构之美，架构简介之道，大型网站技术架构演进与性能优化，发布！设计与部署稳定的分布式系统，微服务架构设计模式，微服务设计，生产微服务，软件系统架构：使用视点和视角与利益相关者合 ，DevOps 软件架构师行动指南，DevOps 实践指南，企业应用架构模式，企业集成模式</p>
<h4 id="其他"><a href="#其他" class="headerlink" title="其他"></a>其他</h4><p>图解设计模式、图解HTTP协议、图解性能优化，重构：改善既有代码的设计，混沌工程，深入理解计算机系统，数据库全书，虚拟机：系统与进程的通用平台，程序员的职业素养，数学之美，算法之美，系统之美，计算进化史，人月神话，编程珠玑，高效程序员的45个习惯：敏捷开发修炼之道，算法导论，计算机程序设计艺术，程序员修炼之道，有效的单元测试</p>
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<h1 id="架构师书单"><a href="#架构师书单" class="headerlink" title="架构师书单"></a>架构师书单</h1><p><strong>第一步重要的 linux编程艺术 、 unix编程艺术</strong></p>
<h2 id="成长篇"><a href="#成长篇" class="headerlink" title="成长篇"></a>成长篇</h2><p>《异类》<br>《随机漫步的傻瓜》<br>《一万小时天才理论》<br>《情商》<br>《优秀到不能被忽视》<br>《影响力大师》<br>《优化你的两个小时》<br>《有效学习》(微信读书)（推荐理由： 关于学习的书籍，我看过很多本，觉得最有科学指导意义的就是《有效学习》这本）</p>
<p>《如何系统的思考》（偏重实践）</p>
<p>《系统思考》（偏重理论）</p>
<h3 id="与程序员沟通、向上管理、表达能力"><a href="#与程序员沟通、向上管理、表达能力" class="headerlink" title="与程序员沟通、向上管理、表达能力"></a>与程序员沟通、向上管理、表达能力</h3><p>与程序员沟通、向上管理、表达能力（比如如何把一个技术点、项目方案给大家讲清楚）以及技术视野提升和架构思维等主题相关。 秦老师有什么书建议吗？ 见附件非技术书。最推荐的几本： 暗时间，告诉你很多你看不清的事实。 金字塔原理，把结构化思维和表达说明白了。 非暴力沟通，把怎么有效沟通跟其他情况区分开了。</p>
<p>暗时间.pdf</p>
<p>金字塔原理_高清版.pdf</p>
<p>麦肯锡方法完整版.pdf</p>
<p>《原则》中文版.pdf</p>
<p>领导者的优势：掌握思维突破点的5个技巧.pdf</p>
<p>重新定义公司.埃里克•施密特,乔纳森•罗森伯格.pdf</p>
<p>职场新人的典型问题.pdf</p>
<p>沟通技巧和方法培训PPT.pptx</p>
<p>非暴力沟通+完整中文版.pdf</p>
<h2 id="技术篇"><a href="#技术篇" class="headerlink" title="技术篇"></a>技术篇</h2><p>学习的思路：</p>
<ol>
<li><p>深度学习你的代码运行环境：例如 Linux 程序员一定要深入学习 Linux 和 UNIX 的操作系统，iOS 程序员要深入学习 iOS 系统，前端程序员要深入学习浏览器原理，以此类推。</p>
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<li><p>深入学习你的核心工具：例如 Java 程序员的核心工具是 Java，嵌入式程序员是 C，而 DBA 就不是学编程语言，而是学 MySQL 或者 Oracle 了。</p>
</li>
<li><p>深度学习领域基础知识：例如后端程序员的网络编程，前端程序员的动效知识，Android 客户端程序员的渲染知识，以及所有程序员都要求的算法知识等。</p>
</li>
<li><p>广泛学习技术领域的通用成熟技术：例如前端程序员要学的 React 和 Vue，Java 程序员要学的 Netty、Spring，互联网后端程序员的标配 MySQL、Redis 等。下面我以 Linux 后端 Java 程序员为例，给你推荐相关技术书籍。</p>
</li>
</ol>
<p>《UNIX 编程艺术》<br>《UNIX 网络编程（卷 1）》<br>《UNIX 环境高级编程》<br>《Linux 系统编程》<br>《TCP/IP 详解（卷 1）》<br>《算法之美》<br>《算法设计与应用》<br>《Java 编程思想》<br>《深入理解 Java 虚拟机》<br>《C++ Primer》<br>《增长黑客》<br>《需求》<br>《淘宝十年产品事》<br>《定位》<br>《宝洁制胜战略》</p>
<h2 id="业务篇"><a href="#业务篇" class="headerlink" title="业务篇"></a>业务篇</h2><h3 id="支付"><a href="#支付" class="headerlink" title="支付"></a>支付</h3><p>《支付方法论》</p>
<p>《一本书读懂支付》</p>
<h2 id="其他"><a href="#其他" class="headerlink" title="其他"></a>其他</h2><h3 id="人工智能学习方向（AI"><a href="#人工智能学习方向（AI" class="headerlink" title="人工智能学习方向（AI)"></a>人工智能学习方向（AI)</h3><ul>
<li><p>《机器学习实战》</p>
</li>
<li><p>《机器学习实战》 </p>
<p><a target="_blank" rel="noopener" href="https://cloud.tencent.com/developer/article/1512788">https://cloud.tencent.com/developer/article/1512788</a></p>
</li>
</ul>
<h3 id="大数据学习方向"><a href="#大数据学习方向" class="headerlink" title="大数据学习方向"></a>大数据学习方向</h3><ul>
<li>《实战大数据》</li>
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<h1 id="样例"><a href="#样例" class="headerlink" title="样例"></a>样例</h1><hr>
<h2 id="1-基本样例"><a href="#1-基本样例" class="headerlink" title="1 基本样例"></a>1 基本样例</h2><p>在基本样例中我们提供如下的功能场景：</p>
<ul>
<li>使用RocketMQ发送三种类型的消息：同步消息、异步消息和单向消息。其中前两种消息是可靠的，因为会有发送是否成功的应答。</li>
<li>使用RocketMQ来消费接收到的消息。</li>
</ul>
<h3 id="1-1-加入依赖："><a href="#1-1-加入依赖：" class="headerlink" title="1.1 加入依赖："></a>1.1 加入依赖：</h3><p><code>maven:</code></p>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line"><dependency></span><br><span class="line"> <groupId>org.apache.rocketmq</groupId></span><br><span class="line"> <artifactId>rocketmq-client</artifactId></span><br><span class="line"> <version>4.3.0</version></span><br><span class="line"></dependency></span><br></pre></td></tr></table></figure>
<p><code>gradle</code></p>
<figure class="highlight plaintext"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">compile 'org.apache.rocketmq:rocketmq-client:4.3.0'</span><br></pre></td></tr></table></figure>
<h3 id="1-2-消息发送"><a href="#1-2-消息发送" class="headerlink" title="1.2 消息发送"></a>1.2 消息发送</h3><h4 id="1、Producer端发送同步消息"><a href="#1、Producer端发送同步消息" class="headerlink" title="1、Producer端发送同步消息"></a>1、Producer端发送同步消息</h4><p>这种可靠性同步地发送方式使用的比较广泛，比如：重要的消息通知，短信通知。</p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="keyword">class</span> <span class="title class_">SyncProducer</span> {</span><br><span class="line"> <span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title function_">main</span><span class="params">(String[] args)</span> <span class="keyword">throws</span> Exception {</span><br><span class="line"> <span class="comment">// 实例化消息生产者Producer</span></span><br><span class="line"> <span class="type">DefaultMQProducer</span> <span class="variable">producer</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">DefaultMQProducer</span>(<span class="string">"please_rename_unique_group_name"</span>);</span><br><span class="line"> <span class="comment">// 设置NameServer的地址</span></span><br><span class="line"> producer.setNamesrvAddr(<span class="string">"localhost:9876"</span>);</span><br><span class="line"> <span class="comment">// 启动Producer实例</span></span><br><span class="line"> producer.start();</span><br><span class="line"> <span class="keyword">for</span> (<span class="type">int</span> <span class="variable">i</span> <span class="operator">=</span> <span class="number">0</span>; i < <span class="number">100</span>; i++) {</span><br><span class="line"> <span class="comment">// 创建消息，并指定Topic，Tag和消息体</span></span><br><span class="line"> <span class="type">Message</span> <span class="variable">msg</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">Message</span>(<span class="string">"TopicTest"</span> <span class="comment">/* Topic */</span>,</span><br><span class="line"> <span class="string">"TagA"</span> <span class="comment">/* Tag */</span>,</span><br><span class="line"> (<span class="string">"Hello RocketMQ "</span> + i).getBytes(RemotingHelper.DEFAULT_CHARSET) <span class="comment">/* Message body */</span></span><br><span class="line"> );</span><br><span class="line"> <span class="comment">// 发送消息到一个Broker</span></span><br><span class="line"> <span class="type">SendResult</span> <span class="variable">sendResult</span> <span class="operator">=</span> producer.send(msg);</span><br><span class="line"> <span class="comment">// 通过sendResult返回消息是否成功送达</span></span><br><span class="line"> System.out.printf(<span class="string">"%s%n"</span>, sendResult);</span><br><span class="line"> }</span><br><span class="line"> <span class="comment">// 如果不再发送消息，关闭Producer实例。</span></span><br><span class="line"> producer.shutdown();</span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
<h4 id="2、发送异步消息"><a href="#2、发送异步消息" class="headerlink" title="2、发送异步消息"></a>2、发送异步消息</h4><p>异步消息通常用在对响应时间敏感的业务场景，即发送端不能容忍长时间地等待Broker的响应。</p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="keyword">class</span> <span class="title class_">AsyncProducer</span> {</span><br><span class="line"> <span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title function_">main</span><span class="params">(String[] args)</span> <span class="keyword">throws</span> Exception {</span><br><span class="line"> <span class="comment">// 实例化消息生产者Producer</span></span><br><span class="line"> <span class="type">DefaultMQProducer</span> <span class="variable">producer</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">DefaultMQProducer</span>(<span class="string">"please_rename_unique_group_name"</span>);</span><br><span class="line"> <span class="comment">// 设置NameServer的地址</span></span><br><span class="line"> producer.setNamesrvAddr(<span class="string">"localhost:9876"</span>);</span><br><span class="line"> <span class="comment">// 启动Producer实例</span></span><br><span class="line"> producer.start();</span><br><span class="line"> producer.setRetryTimesWhenSendAsyncFailed(<span class="number">0</span>);</span><br><span class="line"> <span class="keyword">for</span> (<span class="type">int</span> <span class="variable">i</span> <span class="operator">=</span> <span class="number">0</span>; i < <span class="number">100</span>; i++) {</span><br><span class="line"> <span class="keyword">final</span> <span class="type">int</span> <span class="variable">index</span> <span class="operator">=</span> i;</span><br><span class="line"> <span class="comment">// 创建消息，并指定Topic，Tag和消息体</span></span><br><span class="line"> <span class="type">Message</span> <span class="variable">msg</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">Message</span>(<span class="string">"TopicTest"</span>,</span><br><span class="line"> <span class="string">"TagA"</span>,</span><br><span class="line"> <span class="string">"OrderID188"</span>,</span><br><span class="line"> <span class="string">"Hello world"</span>.getBytes(RemotingHelper.DEFAULT_CHARSET));</span><br><span class="line"> <span class="comment">// SendCallback接收异步返回结果的回调</span></span><br><span class="line"> producer.send(msg, <span class="keyword">new</span> <span class="title class_">SendCallback</span>() {</span><br><span class="line"> <span class="meta">@Override</span></span><br><span class="line"> <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">onSuccess</span><span class="params">(SendResult sendResult)</span> {</span><br><span class="line"> System.out.printf(<span class="string">"%-10d OK %s %n"</span>, index,</span><br><span class="line"> sendResult.getMsgId());</span><br><span class="line"> }</span><br><span class="line"> <span class="meta">@Override</span></span><br><span class="line"> <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">onException</span><span class="params">(Throwable e)</span> {</span><br><span class="line"> System.out.printf(<span class="string">"%-10d Exception %s %n"</span>, index, e);</span><br><span class="line"> e.printStackTrace();</span><br><span class="line"> }</span><br><span class="line"> });</span><br><span class="line"> }</span><br><span class="line"> <span class="comment">// 如果不再发送消息，关闭Producer实例。</span></span><br><span class="line"> producer.shutdown();</span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
<h4 id="3、单向发送消息"><a href="#3、单向发送消息" class="headerlink" title="3、单向发送消息"></a>3、单向发送消息</h4><p>这种方式主要用在不特别关心发送结果的场景，例如日志发送。</p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="keyword">class</span> <span class="title class_">OnewayProducer</span> {</span><br><span class="line"> <span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title function_">main</span><span class="params">(String[] args)</span> <span class="keyword">throws</span> Exception{</span><br><span class="line"> <span class="comment">// 实例化消息生产者Producer</span></span><br><span class="line"> <span class="type">DefaultMQProducer</span> <span class="variable">producer</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">DefaultMQProducer</span>(<span class="string">"please_rename_unique_group_name"</span>);</span><br><span class="line"> <span class="comment">// 设置NameServer的地址</span></span><br><span class="line"> producer.setNamesrvAddr(<span class="string">"localhost:9876"</span>);</span><br><span class="line"> <span class="comment">// 启动Producer实例</span></span><br><span class="line"> producer.start();</span><br><span class="line"> <span class="keyword">for</span> (<span class="type">int</span> <span class="variable">i</span> <span class="operator">=</span> <span class="number">0</span>; i < <span class="number">100</span>; i++) {</span><br><span class="line"> <span class="comment">// 创建消息，并指定Topic，Tag和消息体</span></span><br><span class="line"> <span class="type">Message</span> <span class="variable">msg</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">Message</span>(<span class="string">"TopicTest"</span> <span class="comment">/* Topic */</span>,</span><br><span class="line"> <span class="string">"TagA"</span> <span class="comment">/* Tag */</span>,</span><br><span class="line"> (<span class="string">"Hello RocketMQ "</span> + i).getBytes(RemotingHelper.DEFAULT_CHARSET) <span class="comment">/* Message body */</span></span><br><span class="line"> );</span><br><span class="line"> <span class="comment">// 发送单向消息，没有任何返回结果</span></span><br><span class="line"> producer.sendOneway(msg);</span><br><span class="line"></span><br><span class="line"> }</span><br><span class="line"> <span class="comment">// 如果不再发送消息，关闭Producer实例。</span></span><br><span class="line"> producer.shutdown();</span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
<h3 id="1-3-消费消息"><a href="#1-3-消费消息" class="headerlink" title="1.3 消费消息"></a>1.3 消费消息</h3><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="keyword">class</span> <span class="title class_">Consumer</span> {</span><br><span class="line"></span><br><span class="line"> <span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title function_">main</span><span class="params">(String[] args)</span> <span class="keyword">throws</span> InterruptedException, MQClientException {</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 实例化消费者</span></span><br><span class="line"> <span class="type">DefaultMQPushConsumer</span> <span class="variable">consumer</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">DefaultMQPushConsumer</span>(<span class="string">"please_rename_unique_group_name"</span>);</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 设置NameServer的地址</span></span><br><span class="line"> consumer.setNamesrvAddr(<span class="string">"localhost:9876"</span>);</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 订阅一个或者多个Topic，以及Tag来过滤需要消费的消息</span></span><br><span class="line"> consumer.subscribe(<span class="string">"TopicTest"</span>, <span class="string">"*"</span>);</span><br><span class="line"> <span class="comment">// 注册回调实现类来处理从broker拉取回来的消息</span></span><br><span class="line"> consumer.registerMessageListener(<span class="keyword">new</span> <span class="title class_">MessageListenerConcurrently</span>() {</span><br><span class="line"> <span class="meta">@Override</span></span><br><span class="line"> <span class="keyword">public</span> ConsumeConcurrentlyStatus <span class="title function_">consumeMessage</span><span class="params">(List<MessageExt> msgs, ConsumeConcurrentlyContext context)</span> {</span><br><span class="line"> System.out.printf(<span class="string">"%s Receive New Messages: %s %n"</span>, Thread.currentThread().getName(), msgs);</span><br><span class="line"> <span class="comment">// 标记该消息已经被成功消费</span></span><br><span class="line"> <span class="keyword">return</span> ConsumeConcurrentlyStatus.CONSUME_SUCCESS;</span><br><span class="line"> }</span><br><span class="line"> });</span><br><span class="line"> <span class="comment">// 启动消费者实例</span></span><br><span class="line"> consumer.start();</span><br><span class="line"> System.out.printf(<span class="string">"Consumer Started.%n"</span>);</span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
<h2 id="2-顺序消息样例"><a href="#2-顺序消息样例" class="headerlink" title="2 顺序消息样例"></a>2 顺序消息样例</h2><p>消息有序指的是可以按照消息的发送顺序来消费(FIFO)。RocketMQ可以严格的保证消息有序，可以分为分区有序或者全局有序。</p>
<p>顺序消费的原理解析，在默认的情况下消息发送会采取Round Robin轮询方式把消息发送到不同的queue(分区队列)；而消费消息的时候从多个queue上拉取消息，这种情况发送和消费是不能保证顺序。但是如果控制发送的顺序消息只依次发送到同一个queue中，消费的时候只从这个queue上依次拉取，则就保证了顺序。当发送和消费参与的queue只有一个，则是全局有序；如果多个queue参与，则为分区有序，即相对每个queue，消息都是有序的。</p>
<p>下面用订单进行分区有序的示例。一个订单的顺序流程是：创建、付款、推送、完成。订单号相同的消息会被先后发送到同一个队列中，消费时，同一个OrderId获取到的肯定是同一个队列。</p>
<h3 id="2-1-顺序消息生产"><a href="#2-1-顺序消息生产" class="headerlink" title="2.1 顺序消息生产"></a>2.1 顺序消息生产</h3><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br><span class="line">97</span><br><span class="line">98</span><br><span class="line">99</span><br><span class="line">100</span><br><span class="line">101</span><br><span class="line">102</span><br><span class="line">103</span><br><span class="line">104</span><br><span class="line">105</span><br><span class="line">106</span><br><span class="line">107</span><br><span class="line">108</span><br><span class="line">109</span><br><span class="line">110</span><br><span class="line">111</span><br><span class="line">112</span><br><span class="line">113</span><br><span class="line">114</span><br><span class="line">115</span><br><span class="line">116</span><br><span class="line">117</span><br><span class="line">118</span><br><span class="line">119</span><br><span class="line">120</span><br><span class="line">121</span><br><span class="line">122</span><br><span class="line">123</span><br><span class="line">124</span><br><span class="line">125</span><br><span class="line">126</span><br><span class="line">127</span><br><span class="line">128</span><br><span class="line">129</span><br><span class="line">130</span><br><span class="line">131</span><br><span class="line">132</span><br><span class="line">133</span><br><span class="line">134</span><br><span class="line">135</span><br><span class="line">136</span><br><span class="line">137</span><br><span class="line">138</span><br><span class="line">139</span><br><span class="line">140</span><br><span class="line">141</span><br><span class="line">142</span><br><span class="line">143</span><br><span class="line">144</span><br><span class="line">145</span><br><span class="line">146</span><br><span class="line">147</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> org.apache.rocketmq.example.order2;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.client.producer.DefaultMQProducer;</span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.client.producer.MessageQueueSelector;</span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.client.producer.SendResult;</span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.common.message.Message;</span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.common.message.MessageQueue;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> java.text.SimpleDateFormat;</span><br><span class="line"><span class="keyword">import</span> java.util.ArrayList;</span><br><span class="line"><span class="keyword">import</span> java.util.Date;</span><br><span class="line"><span class="keyword">import</span> java.util.List;</span><br><span class="line"></span><br><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment">* Producer，发送顺序消息</span></span><br><span class="line"><span class="comment">*/</span></span><br><span class="line"><span class="keyword">public</span> <span class="keyword">class</span> <span class="title class_">Producer</span> {</span><br><span class="line"></span><br><span class="line"> <span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title function_">main</span><span class="params">(String[] args)</span> <span class="keyword">throws</span> Exception {</span><br><span class="line"> <span class="type">DefaultMQProducer</span> <span class="variable">producer</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">DefaultMQProducer</span>(<span class="string">"please_rename_unique_group_name"</span>);</span><br><span class="line"></span><br><span class="line"> producer.setNamesrvAddr(<span class="string">"127.0.0.1:9876"</span>);</span><br><span class="line"></span><br><span class="line"> producer.start();</span><br><span class="line"></span><br><span class="line"> String[] tags = <span class="keyword">new</span> <span class="title class_">String</span>[]{<span class="string">"TagA"</span>, <span class="string">"TagC"</span>, <span class="string">"TagD"</span>};</span><br><span class="line"></span><br><span class="line"> <span class="comment">// 订单列表</span></span><br><span class="line"> List<OrderStep> orderList = <span class="keyword">new</span> <span class="title class_">Producer</span>().buildOrders();</span><br><span class="line"></span><br><span class="line"> <span class="type">Date</span> <span class="variable">date</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">Date</span>();</span><br><span class="line"> <span class="type">SimpleDateFormat</span> <span class="variable">sdf</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">SimpleDateFormat</span>(<span class="string">"yyyy-MM-dd HH:mm:ss"</span>);</span><br><span class="line"> <span class="type">String</span> <span class="variable">dateStr</span> <span class="operator">=</span> sdf.format(date);</span><br><span class="line"> <span class="keyword">for</span> (<span class="type">int</span> <span class="variable">i</span> <span class="operator">=</span> <span class="number">0</span>; i < <span class="number">10</span>; i++) {</span><br><span class="line"> <span class="comment">// 加个时间前缀</span></span><br><span class="line"> <span class="type">String</span> <span class="variable">body</span> <span class="operator">=</span> dateStr + <span class="string">" Hello RocketMQ "</span> + orderList.get(i);</span><br><span class="line"> <span class="type">Message</span> <span class="variable">msg</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">Message</span>(<span class="string">"TopicTest"</span>, tags[i % tags.length], <span class="string">"KEY"</span> + i, body.getBytes());</span><br><span class="line"></span><br><span class="line"> <span class="type">SendResult</span> <span class="variable">sendResult</span> <span class="operator">=</span> producer.send(msg, <span class="keyword">new</span> <span class="title class_">MessageQueueSelector</span>() {</span><br><span class="line"> <span class="meta">@Override</span></span><br><span class="line"> <span class="keyword">public</span> MessageQueue <span class="title function_">select</span><span class="params">(List<MessageQueue> mqs, Message msg, Object arg)</span> {</span><br><span class="line"> <span class="type">Long</span> <span class="variable">id</span> <span class="operator">=</span> (Long) arg; <span class="comment">//根据订单id选择发送queue</span></span><br><span class="line"> <span class="type">long</span> <span class="variable">index</span> <span class="operator">=</span> id % mqs.size();</span><br><span class="line"> <span class="keyword">return</span> mqs.get((<span class="type">int</span>) index);</span><br><span class="line"> }</span><br><span class="line"> }, orderList.get(i).getOrderId());<span class="comment">//订单id</span></span><br><span class="line"></span><br><span class="line"> System.out.println(String.format(<span class="string">"SendResult status:%s, queueId:%d, body:%s"</span>,</span><br><span class="line"> sendResult.getSendStatus(),</span><br><span class="line"> sendResult.getMessageQueue().getQueueId(),</span><br><span class="line"> body));</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> producer.shutdown();</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">/**</span></span><br><span class="line"><span class="comment"> * 订单的步骤</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"> <span class="keyword">private</span> <span class="keyword">static</span> <span class="keyword">class</span> <span class="title class_">OrderStep</span> {</span><br><span class="line"> <span class="keyword">private</span> <span class="type">long</span> orderId;</span><br><span class="line"> <span class="keyword">private</span> String desc;</span><br><span class="line"></span><br><span class="line"> <span class="keyword">public</span> <span class="type">long</span> <span class="title function_">getOrderId</span><span class="params">()</span> {</span><br><span class="line"> <span class="keyword">return</span> orderId;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">setOrderId</span><span class="params">(<span class="type">long</span> orderId)</span> {</span><br><span class="line"> <span class="built_in">this</span>.orderId = orderId;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="keyword">public</span> String <span class="title function_">getDesc</span><span class="params">()</span> {</span><br><span class="line"> <span class="keyword">return</span> desc;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="keyword">public</span> <span class="keyword">void</span> <span class="title function_">setDesc</span><span class="params">(String desc)</span> {</span><br><span class="line"> <span class="built_in">this</span>.desc = desc;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="meta">@Override</span></span><br><span class="line"> <span class="keyword">public</span> String <span class="title function_">toString</span><span class="params">()</span> {</span><br><span class="line"> <span class="keyword">return</span> <span class="string">"OrderStep{"</span> +</span><br><span class="line"> <span class="string">"orderId="</span> + orderId +</span><br><span class="line"> <span class="string">", desc='"</span> + desc + <span class="string">'\''</span> +</span><br><span class="line"> <span class="string">'}'</span>;</span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="comment">/**</span></span><br><span class="line"><span class="comment"> * 生成模拟订单数据</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"> <span class="keyword">private</span> List<OrderStep> <span class="title function_">buildOrders</span><span class="params">()</span> {</span><br><span class="line"> List<OrderStep> orderList = <span class="keyword">new</span> <span class="title class_">ArrayList</span><OrderStep>();</span><br><span class="line"></span><br><span class="line"> <span class="type">OrderStep</span> <span class="variable">orderDemo</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">OrderStep</span>();</span><br><span class="line"> orderDemo.setOrderId(<span class="number">15103111039L</span>);</span><br><span class="line"> orderDemo.setDesc(<span class="string">"创建"</span>);</span><br><span class="line"> orderList.add(orderDemo);</span><br><span class="line"></span><br><span class="line"> orderDemo = <span class="keyword">new</span> <span class="title class_">OrderStep</span>();</span><br><span class="line"> orderDemo.setOrderId(<span class="number">15103111065L</span>);</span><br><span class="line"> orderDemo.setDesc(<span class="string">"创建"</span>);</span><br><span class="line"> orderList.add(orderDemo);</span><br><span class="line"></span><br><span class="line"> orderDemo = <span class="keyword">new</span> <span class="title class_">OrderStep</span>();</span><br><span class="line"> orderDemo.setOrderId(<span class="number">15103111039L</span>);</span><br><span class="line"> orderDemo.setDesc(<span class="string">"付款"</span>);</span><br><span class="line"> orderList.add(orderDemo);</span><br><span class="line"></span><br><span class="line"> orderDemo = <span class="keyword">new</span> <span class="title class_">OrderStep</span>();</span><br><span class="line"> orderDemo.setOrderId(<span class="number">15103117235L</span>);</span><br><span class="line"> orderDemo.setDesc(<span class="string">"创建"</span>);</span><br><span class="line"> orderList.add(orderDemo);</span><br><span class="line"></span><br><span class="line"> orderDemo = <span class="keyword">new</span> <span class="title class_">OrderStep</span>();</span><br><span class="line"> orderDemo.setOrderId(<span class="number">15103111065L</span>);</span><br><span class="line"> orderDemo.setDesc(<span class="string">"付款"</span>);</span><br><span class="line"> orderList.add(orderDemo);</span><br><span class="line"></span><br><span class="line"> orderDemo = <span class="keyword">new</span> <span class="title class_">OrderStep</span>();</span><br><span class="line"> orderDemo.setOrderId(<span class="number">15103117235L</span>);</span><br><span class="line"> orderDemo.setDesc(<span class="string">"付款"</span>);</span><br><span class="line"> orderList.add(orderDemo);</span><br><span class="line"></span><br><span class="line"> orderDemo = <span class="keyword">new</span> <span class="title class_">OrderStep</span>();</span><br><span class="line"> orderDemo.setOrderId(<span class="number">15103111065L</span>);</span><br><span class="line"> orderDemo.setDesc(<span class="string">"完成"</span>);</span><br><span class="line"> orderList.add(orderDemo);</span><br><span class="line"></span><br><span class="line"> orderDemo = <span class="keyword">new</span> <span class="title class_">OrderStep</span>();</span><br><span class="line"> orderDemo.setOrderId(<span class="number">15103111039L</span>);</span><br><span class="line"> orderDemo.setDesc(<span class="string">"推送"</span>);</span><br><span class="line"> orderList.add(orderDemo);</span><br><span class="line"></span><br><span class="line"> orderDemo = <span class="keyword">new</span> <span class="title class_">OrderStep</span>();</span><br><span class="line"> orderDemo.setOrderId(<span class="number">15103117235L</span>);</span><br><span class="line"> orderDemo.setDesc(<span class="string">"完成"</span>);</span><br><span class="line"> orderList.add(orderDemo);</span><br><span class="line"></span><br><span class="line"> orderDemo = <span class="keyword">new</span> <span class="title class_">OrderStep</span>();</span><br><span class="line"> orderDemo.setOrderId(<span class="number">15103111039L</span>);</span><br><span class="line"> orderDemo.setDesc(<span class="string">"完成"</span>);</span><br><span class="line"> orderList.add(orderDemo);</span><br><span class="line"></span><br><span class="line"> <span class="keyword">return</span> orderList;</span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
<h3 id="2-2-顺序消费消息"><a href="#2-2-顺序消费消息" class="headerlink" title="2.2 顺序消费消息"></a>2.2 顺序消费消息</h3><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">import</span> org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;</span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext;</span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;</span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.client.consumer.listener.MessageListenerConcurrently;</span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.common.message.MessageExt;</span><br><span class="line"><span class="keyword">import</span> java.util.List;</span><br><span class="line"></span><br><span class="line"><span class="keyword">package</span> org.apache.rocketmq.example.order2;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;</span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.client.consumer.listener.ConsumeOrderlyContext;</span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.client.consumer.listener.ConsumeOrderlyStatus;</span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.client.consumer.listener.MessageListenerOrderly;</span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.common.consumer.ConsumeFromWhere;</span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.common.message.MessageExt;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> java.util.List;</span><br><span class="line"><span class="keyword">import</span> java.util.Random;</span><br><span class="line"><span class="keyword">import</span> java.util.concurrent.TimeUnit;</span><br><span class="line"></span><br><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment">* 顺序消息消费，带事务方式（应用可控制Offset什么时候提交）</span></span><br><span class="line"><span class="comment">*/</span></span><br><span class="line"><span class="keyword">public</span> <span class="keyword">class</span> <span class="title class_">ConsumerInOrder</span> {</span><br><span class="line"></span><br><span class="line"> <span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title function_">main</span><span class="params">(String[] args)</span> <span class="keyword">throws</span> Exception {</span><br><span class="line"> <span class="type">DefaultMQPushConsumer</span> <span class="variable">consumer</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">DefaultMQPushConsumer</span>(<span class="string">"please_rename_unique_group_name_3"</span>);</span><br><span class="line"> consumer.setNamesrvAddr(<span class="string">"127.0.0.1:9876"</span>);</span><br><span class="line"> <span class="comment">/**</span></span><br><span class="line"><span class="comment"> * 设置Consumer第一次启动是从队列头部开始消费还是队列尾部开始消费<br></span></span><br><span class="line"><span class="comment"> * 如果非第一次启动，那么按照上次消费的位置继续消费</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"> consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);</span><br><span class="line"></span><br><span class="line"> consumer.subscribe(<span class="string">"TopicTest"</span>, <span class="string">"TagA || TagC || TagD"</span>);</span><br><span class="line"></span><br><span class="line"> consumer.registerMessageListener(<span class="keyword">new</span> <span class="title class_">MessageListenerOrderly</span>() {</span><br><span class="line"></span><br><span class="line"> <span class="type">Random</span> <span class="variable">random</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">Random</span>();</span><br><span class="line"></span><br><span class="line"> <span class="meta">@Override</span></span><br><span class="line"> <span class="keyword">public</span> ConsumeOrderlyStatus <span class="title function_">consumeMessage</span><span class="params">(List<MessageExt> msgs, ConsumeOrderlyContext context)</span> {</span><br><span class="line"> context.setAutoCommit(<span class="literal">true</span>);</span><br><span class="line"> <span class="keyword">for</span> (MessageExt msg : msgs) {</span><br><span class="line"> <span class="comment">// 可以看到每个queue有唯一的consume线程来消费, 订单对每个queue(分区)有序</span></span><br><span class="line"> System.out.println(<span class="string">"consumeThread="</span> + Thread.currentThread().getName() + <span class="string">"queueId="</span> + msg.getQueueId() + <span class="string">", content:"</span> + <span class="keyword">new</span> <span class="title class_">String</span>(msg.getBody()));</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="keyword">try</span> {</span><br><span class="line"> <span class="comment">//模拟业务逻辑处理中...</span></span><br><span class="line"> TimeUnit.SECONDS.sleep(random.nextInt(<span class="number">10</span>));</span><br><span class="line"> } <span class="keyword">catch</span> (Exception e) {</span><br><span class="line"> e.printStackTrace();</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">return</span> ConsumeOrderlyStatus.SUCCESS;</span><br><span class="line"> }</span><br><span class="line"> });</span><br><span class="line"></span><br><span class="line"> consumer.start();</span><br><span class="line"></span><br><span class="line"> System.out.println(<span class="string">"Consumer Started."</span>);</span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
<h2 id="3-延时消息样例"><a href="#3-延时消息样例" class="headerlink" title="3 延时消息样例"></a>3 延时消息样例</h2><h3 id="3-1-启动消费者等待传入订阅消息"><a href="#3-1-启动消费者等待传入订阅消息" class="headerlink" title="3.1 启动消费者等待传入订阅消息"></a>3.1 启动消费者等待传入订阅消息</h3><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br></pre></td><td class="code"><pre><span class="line"></span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;</span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext;</span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;</span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.client.consumer.listener.MessageListenerConcurrently;</span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.common.message.MessageExt;</span><br><span class="line"><span class="keyword">import</span> java.util.List;</span><br><span class="line"></span><br><span class="line"><span class="keyword">public</span> <span class="keyword">class</span> <span class="title class_">ScheduledMessageConsumer</span> {</span><br><span class="line"> <span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title function_">main</span><span class="params">(String[] args)</span> <span class="keyword">throws</span> Exception {</span><br><span class="line"> <span class="comment">// 实例化消费者</span></span><br><span class="line"> <span class="type">DefaultMQPushConsumer</span> <span class="variable">consumer</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">DefaultMQPushConsumer</span>(<span class="string">"ExampleConsumer"</span>);</span><br><span class="line"> <span class="comment">// 订阅Topics</span></span><br><span class="line"> consumer.subscribe(<span class="string">"TestTopic"</span>, <span class="string">"*"</span>);</span><br><span class="line"> <span class="comment">// 注册消息监听者</span></span><br><span class="line"> consumer.registerMessageListener(<span class="keyword">new</span> <span class="title class_">MessageListenerConcurrently</span>() {</span><br><span class="line"> <span class="meta">@Override</span></span><br><span class="line"> <span class="keyword">public</span> ConsumeConcurrentlyStatus <span class="title function_">consumeMessage</span><span class="params">(List<MessageExt> messages, ConsumeConcurrentlyContext context)</span> {</span><br><span class="line"> <span class="keyword">for</span> (MessageExt message : messages) {</span><br><span class="line"> <span class="comment">// Print approximate delay time period</span></span><br><span class="line"> System.out.println(<span class="string">"Receive message[msgId="</span> + message.getMsgId() + <span class="string">"] "</span> + (System.currentTimeMillis() - message.getStoreTimestamp()) + <span class="string">"ms later"</span>);</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">return</span> ConsumeConcurrentlyStatus.CONSUME_SUCCESS;</span><br><span class="line"> }</span><br><span class="line"> });</span><br><span class="line"> <span class="comment">// 启动消费者</span></span><br><span class="line"> consumer.start();</span><br><span class="line"> }</span><br><span class="line">}</span><br><span class="line"></span><br></pre></td></tr></table></figure>
<h3 id="3-2-发送延时消息"><a href="#3-2-发送延时消息" class="headerlink" title="3.2 发送延时消息"></a>3.2 发送延时消息</h3><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br></pre></td><td class="code"><pre><span class="line"></span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.client.producer.DefaultMQProducer;</span><br><span class="line"><span class="keyword">import</span> org.apache.rocketmq.common.message.Message;</span><br><span class="line"></span><br><span class="line"><span class="keyword">public</span> <span class="keyword">class</span> <span class="title class_">ScheduledMessageProducer</span> {</span><br><span class="line"> <span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title function_">main</span><span class="params">(String[] args)</span> <span class="keyword">throws</span> Exception {</span><br><span class="line"> <span class="comment">// 实例化一个生产者来产生延时消息</span></span><br><span class="line"> <span class="type">DefaultMQProducer</span> <span class="variable">producer</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">DefaultMQProducer</span>(<span class="string">"ExampleProducerGroup"</span>);</span><br><span class="line"> <span class="comment">// 启动生产者</span></span><br><span class="line"> producer.start();</span><br><span class="line"> <span class="type">int</span> <span class="variable">totalMessagesToSend</span> <span class="operator">=</span> <span class="number">100</span>;</span><br><span class="line"> <span class="keyword">for</span> (<span class="type">int</span> <span class="variable">i</span> <span class="operator">=</span> <span class="number">0</span>; i < totalMessagesToSend; i++) {</span><br><span class="line"> <span class="type">Message</span> <span class="variable">message</span> <span class="operator">=</span> <span class="keyword">new</span> <span class="title class_">Message</span>(<span class="string">"TestTopic"</span>, (<span class="string">"Hello scheduled message "</span> + i).getBytes());</span><br><span class="line"> <span class="comment">// 设置延时等级3,这个消息将在10s之后发送(现在只支持固定的几个时间,详看delayTimeLevel)</span></span><br><span class="line"> message.setDelayTimeLevel(<span class="number">3</span>);</span><br><span class="line"> <span class="comment">// 发送消息</span></span><br><span class="line"> producer.send(message);</span><br><span class="line"> }</span><br><span class="line"> <span class="comment">// 关闭生产者</span></span><br><span class="line"> producer.shutdown();</span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure>
<h3 id="3-3-验证"><a href="#3-3-验证" class="headerlink" title="3.3 验证"></a>3.3 验证</h3><p>您将会看到消息的消费比存储时间晚10秒。</p>