diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..1ff0c42
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,63 @@
+###############################################################################
+# Set default behavior to automatically normalize line endings.
+###############################################################################
+* text=auto
+
+###############################################################################
+# Set default behavior for command prompt diff.
+#
+# This is need for earlier builds of msysgit that does not have it on by
+# default for csharp files.
+# Note: This is only used by command line
+###############################################################################
+#*.cs diff=csharp
+
+###############################################################################
+# Set the merge driver for project and solution files
+#
+# Merging from the command prompt will add diff markers to the files if there
+# are conflicts (Merging from VS is not affected by the settings below, in VS
+# the diff markers are never inserted). Diff markers may cause the following
+# file extensions to fail to load in VS. An alternative would be to treat
+# these files as binary and thus will always conflict and require user
+# intervention with every merge. To do so, just uncomment the entries below
+###############################################################################
+#*.sln merge=binary
+#*.csproj merge=binary
+#*.vbproj merge=binary
+#*.vcxproj merge=binary
+#*.vcproj merge=binary
+#*.dbproj merge=binary
+#*.fsproj merge=binary
+#*.lsproj merge=binary
+#*.wixproj merge=binary
+#*.modelproj merge=binary
+#*.sqlproj merge=binary
+#*.wwaproj merge=binary
+
+###############################################################################
+# behavior for image files
+#
+# image files are treated as binary by default.
+###############################################################################
+#*.jpg binary
+#*.png binary
+#*.gif binary
+
+###############################################################################
+# diff behavior for common document formats
+#
+# Convert binary document formats to text before diffing them. This feature
+# is only available from the command line. Turn it on by uncommenting the
+# entries below.
+###############################################################################
+#*.doc diff=astextplain
+#*.DOC diff=astextplain
+#*.docx diff=astextplain
+#*.DOCX diff=astextplain
+#*.dot diff=astextplain
+#*.DOT diff=astextplain
+#*.pdf diff=astextplain
+#*.PDF diff=astextplain
+#*.rtf diff=astextplain
+#*.RTF diff=astextplain
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3c4efe2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,261 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# DNX
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+#*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+# NuGet v3's project.json files produces more ignoreable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+node_modules/
+orleans.codegen.cs
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# CodeRush
+.cr/
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
\ No newline at end of file
diff --git a/201731092120/wordCount/wordCount.sln b/201731092120/wordCount/wordCount.sln
new file mode 100644
index 0000000..6334838
--- /dev/null
+++ b/201731092120/wordCount/wordCount.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.28010.2016
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "wordCount", "wordCount\wordCount.csproj", "{5B81EACF-ADCD-495F-BB1A-F4D1EE6C2C9B}"
+EndProject
+Global
+ GlobalSection(SolutionConfigurationPlatforms) = preSolution
+ Debug|Any CPU = Debug|Any CPU
+ Release|Any CPU = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(ProjectConfigurationPlatforms) = postSolution
+ {5B81EACF-ADCD-495F-BB1A-F4D1EE6C2C9B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+ {5B81EACF-ADCD-495F-BB1A-F4D1EE6C2C9B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+ {5B81EACF-ADCD-495F-BB1A-F4D1EE6C2C9B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+ {5B81EACF-ADCD-495F-BB1A-F4D1EE6C2C9B}.Release|Any CPU.Build.0 = Release|Any CPU
+ EndGlobalSection
+ GlobalSection(SolutionProperties) = preSolution
+ HideSolutionNode = FALSE
+ EndGlobalSection
+ GlobalSection(ExtensibilityGlobals) = postSolution
+ SolutionGuid = {8D2572BD-69AC-4F8D-8754-57E1F40675A8}
+ EndGlobalSection
+EndGlobal
diff --git a/201731092120/wordCount/wordCount/App.config b/201731092120/wordCount/wordCount/App.config
new file mode 100644
index 0000000..731f6de
--- /dev/null
+++ b/201731092120/wordCount/wordCount/App.config
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/201731092120/wordCount/wordCount/Program.cs b/201731092120/wordCount/wordCount/Program.cs
new file mode 100644
index 0000000..7c1a492
--- /dev/null
+++ b/201731092120/wordCount/wordCount/Program.cs
@@ -0,0 +1,269 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.IO;
+using System.Text.RegularExpressions;
+
+namespace wordCount
+{
+ interface library
+ {
+ string ReadFile(string path); //用于打开文件
+ int CountChars(string text); //用于统计文档中的字符个数
+ int CountLines(string text); //用于统计文档行数
+ int CountWords(string Text); //用于统计文档中单词的个数
+ Dictionary Countphrase(string text, int n); //用于统计文档中的短语的频率
+ Dictionary CoutWords(string text, int n); //用于统计文档中的单词的频率
+ void WreteFile(string path); //用于创建一个文件,将统计结果保存在文件中
+
+ }
+
+ class Program
+ {
+
+ public static void Main(string[] args)
+ {
+ Statistics statistics = new Statistics();
+ string text = "";
+ string path = "";
+ for (int i = 0; i < args.Length; i++)
+ {
+ if (args[i] == "-i")
+ {
+ path = args[i + 1];
+ text = statistics.ReadFile(path).ToLower();
+ }
+ }
+ if (text == "")
+ {
+ Console.WriteLine("未输入文本信息!");
+ return;
+ }
+ for (int i = 0; i < args.Length; i++)
+ {
+ if (args[i] == "-m")
+ {
+ statistics.Countphrase(text, int.Parse(args[i + 1]));
+ }
+ if (args[i] == "-n")
+ {
+ statistics.CoutWords(text, int.Parse(args[i + 1]));
+ }
+ }
+
+ for (int i = 0; i < args.Length; i++)
+ {
+ if (args[i] == "-o")
+ {
+ statistics.WreteFile(args[i + 1]);
+ }
+ }
+ }
+ }
+ class Statistics : library
+ {
+ public StringBuilder sb = new StringBuilder(); //用于存储控制台输出,输入到文件
+ public string ReadFile(string path)
+ {
+ string text = "";
+ try
+ {
+ FileStream aFile = new FileStream(path, FileMode.Open);
+ StreamReader sr = new StreamReader(aFile);
+ text = sr.ReadToEnd();
+ sr.Close();
+ return text;
+ }
+
+ catch (IOException ex)
+ {
+ Console.WriteLine("文件操作异常");
+ Console.WriteLine(ex.ToString()); //输出异常原因
+ return text;
+ }
+
+ }
+
+ public int CountChars(string text)
+ {
+ int count = 0;
+ foreach (var item in text)
+ {
+ if (item < 128 && item >= 0)
+ count++;
+ }
+ return count;
+ }
+
+ public int CountLines(string text)
+ {
+ int lines = 0;
+ bool flg = true;
+ foreach (var item in text)
+ {
+ if (item == '\n')
+ {
+ if (!flg)
+ lines++;
+ flg = true;
+ }
+ else
+ flg = false;
+
+ }
+ return lines;
+ }
+
+ public int CountWords(string Text)
+ {
+
+ string text = Text.ToLower();
+ int length = 0;
+
+ foreach (char a in "[\']#$%&()*+,-./:;<=>?@[\\]^_{|}~".ToCharArray())
+ {
+ text = text.Replace(a.ToString(), "");
+ }
+ string[] texts = text.Split(' ');
+ foreach (var word in texts)
+ {
+ foreach (var w in word)
+ {
+ if (w >= 97 && w <= 122)
+ {
+ break;
+ }
+
+ }
+
+ if (word.Length >= 4)
+ length++;
+ }
+ return length;
+
+ }
+
+ //统计词组长度
+ public Dictionary Countphrase(string text, int n)
+ {
+ int sumCount = 0; //统计单词个数
+ Console.WriteLine("characters:{0}", CountChars(text));
+ sb.Append(CountChars(text));
+ Console.WriteLine("words: {0}", CountWords(text));
+ sb.Append(CountWords(text));
+ Console.WriteLine("lines:{0}", CountLines(text));
+ sb.Append(CountLines(text));
+ Dictionary frequencies = new Dictionary();
+ string[] words = Regex.Split(text.ToLower(), @"\W+");
+
+ //统计有词组之后的数组
+ String[] phrase = new string[words.Length - n];
+
+ //用于将切分过的字符串进行组合,变成词组 然后存入另外一个数组中
+ for (int i = 0; i < words.Length - n; i++)
+ {
+ StringBuilder ph = new StringBuilder();
+ for (int j = i; j < n + i; j++)
+ {
+ if (words[j].Equals(" "))
+ {
+ j--;
+ continue;
+ }
+ ph.Append(words[j] + " ");
+ }
+ phrase[i] = ph.ToString();
+ }
+
+ sumCount = phrase.Length;
+ //统计的关键代码,若map中存在该单词则数量加1,反之存入map
+ for (int i = 0; i < phrase.Length; i++)
+ {
+ if (frequencies.ContainsKey(phrase[i]))
+ {
+ int count = (int)frequencies[phrase[i]];
+ count++;
+ frequencies[phrase[i]] = count;
+ }
+ else
+ {
+ frequencies.Add(phrase[i], 1);
+ }
+ }
+ foreach (KeyValuePair k in frequencies)
+ {
+
+ Console.WriteLine(k.Key + ":" + k.Value);
+ sb.Append(k.Key + ":" + k.Value);
+ sb.Append("\n");
+ }
+ return frequencies;
+ }
+
+ public Dictionary CoutWords(string text, int n)
+ {
+ Dictionary frequencies = new Dictionary();
+
+ string[] words = Regex.Split(text.ToLower(), @"\W+");
+
+ foreach (string word in words)
+ {
+ if (frequencies.ContainsKey(word))
+ {
+ frequencies[word]++;
+ }
+ else
+ {
+ frequencies[word] = 1;
+ }
+ }
+
+ foreach (KeyValuePair entry in frequencies)
+ {
+
+ string word = entry.Key;
+ int frequency = entry.Value;
+
+ }
+
+ //对值进行排序
+ Dictionary dicDesc = frequencies.OrderByDescending(p => p.Value).ToDictionary(p => p.Key, p => p.Value);
+
+ foreach (KeyValuePair k in dicDesc.Take(n))
+ {
+
+ Console.WriteLine(k.Key + ":" + k.Value);
+ sb.Append(k.Key + ":" + k.Value);
+ sb.Append("\n");
+ }
+ return frequencies;
+ }
+
+ //创建一个.txt文件,并将统计信息输入文件中
+
+ public void WreteFile(string path)
+ {
+ if (File.Exists(path))
+ {
+ File.Delete(path);
+ }
+ try
+ {
+ StreamWriter sw = new StreamWriter(path, true);
+
+ sw.WriteLine(sb.ToString());
+ sw.WriteLine("\n");
+ sw.Close();
+ }
+ catch (IOException ex)
+ {
+ Console.WriteLine("文件操作异常");
+ Console.WriteLine(ex.ToString());
+ Console.ReadKey();
+ return;
+ }
+ }
+ }
+}
diff --git a/201731092120/wordCount/wordCount/Properties/AssemblyInfo.cs b/201731092120/wordCount/wordCount/Properties/AssemblyInfo.cs
new file mode 100644
index 0000000..87e084b
--- /dev/null
+++ b/201731092120/wordCount/wordCount/Properties/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// 有关程序集的一般信息由以下
+// 控制。更改这些特性值可修改
+// 与程序集关联的信息。
+[assembly: AssemblyTitle("wordCount")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("wordCount")]
+[assembly: AssemblyCopyright("Copyright © 2019")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// 将 ComVisible 设置为 false 会使此程序集中的类型
+//对 COM 组件不可见。如果需要从 COM 访问此程序集中的类型
+//请将此类型的 ComVisible 特性设置为 true。
+[assembly: ComVisible(false)]
+
+// 如果此项目向 COM 公开,则下列 GUID 用于类型库的 ID
+[assembly: Guid("5b81eacf-adcd-495f-bb1a-f4d1ee6c2c9b")]
+
+// 程序集的版本信息由下列四个值组成:
+//
+// 主版本
+// 次版本
+// 生成号
+// 修订号
+//
+// 可以指定所有值,也可以使用以下所示的 "*" 预置版本号和修订号
+// 方法是按如下所示使用“*”: :
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/201731092120/wordCount/wordCount/wordCount.csproj b/201731092120/wordCount/wordCount/wordCount.csproj
new file mode 100644
index 0000000..c8b0f2e
--- /dev/null
+++ b/201731092120/wordCount/wordCount/wordCount.csproj
@@ -0,0 +1,53 @@
+
+
+
+
+ Debug
+ AnyCPU
+ {5B81EACF-ADCD-495F-BB1A-F4D1EE6C2C9B}
+ Exe
+ wordCount
+ wordCount
+ v4.6.1
+ 512
+ true
+ true
+
+
+ AnyCPU
+ true
+ full
+ false
+ bin\Debug\
+ DEBUG;TRACE
+ prompt
+ 4
+
+
+ AnyCPU
+ pdbonly
+ true
+ bin\Release\
+ TRACE
+ prompt
+ 4
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file