upload.py

# -*- coding: utf-8 -*-
from django.http import HttpResponse
from django.conf import settings
from django.views.decorators.csrf import csrf_exempt
import os
import uuid
import json
import datetime as dt
#这个装饰器用于不再进行表单验证提交
@csrf_exempt
def articleImg(request, dir_name):
    ##################
    # 这是kindeditor想要的格式
    #  kindeditor图片上传返回数据格式说明：
    # {"error": 1, "message": "出错信息"}
    # {"error": 0, "url": "图片地址"}
    ##################
    result = {"error": 1, "message": "上传出错"}
    #imgFile来自于附文本编辑器查看源码之后找到的它定义的文件名字
    files = request.FILES.get("imgFile", None)
    if files:
        result =image_upload(files, dir_name)
    return HttpResponse(json.dumps(result), content_type="application/json")

#目录创建
def upload_generation_dir(dir_name):
    today = dt.datetime.today()
    dir_name = dir_name + '/%d/%d/' %(today.year,today.month)
    if not os.path.exists(settings.MEDIA_ROOT + dir_name):
        os.makedirs(settings.MEDIA_ROOT + dir_name)
    return dir_name

# 图片上传
def image_upload(files, dir_name):
    #允许上传文件类型
    allow_suffix =['jpg', 'png', 'jpeg', 'gif', 'bmp']
    file_suffix = files.name.split(".")[-1]
    if file_suffix not in allow_suffix:
        return {"error": 1, "message": "图片格式不正确"}
    relative_path_file = upload_generation_dir(dir_name)
    path=os.path.join(settings.MEDIA_ROOT, relative_path_file)
    if not os.path.exists(path): #如果目录不存在创建目录
        os.makedirs(path)
    file_name=str(uuid.uuid1())+"."+file_suffix
    path_file=os.path.join(path, file_name)
    file_url = settings.MEDIA_URL + relative_path_file + file_name
    #写入操作，二进制形式，最终完成上传，真正保存图片
    open(path_file, 'wb').write(files.file.read())
    return {"error": 0, "url": file_url}