万里长征第二步——django个人博客（第七步 ——上传文件）

# -*- 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

@csrf_exempt
def upload_image(request, dir_name):
##################
    #  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"}
    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
open(path_file, ‘wb‘).write(files.file.read())
return {"error": 0, "url": file_url}

from django.conf.urls import url
from django.contrib import admin
from blog.views import index
from django.conf import settings
from blog.upload import upload_image

urlpatterns = [
    url(r‘^uploads/(?P<path>.*)$‘,‘django.views.static.serve‘,        {‘document_root‘: settings.MEDIA_ROOT,}),
    url(r‘^admin/upload/(?P<dir_name>[^/]+)$‘, upload_image, name=‘upload_image‘),
    url(r‘^admin/‘, admin.site.urls),
    url(r‘^$‘, index, name=‘index‘)
]

KindEditor.ready(function(K) {
   K.create(‘textarea[name="content"]‘, {
          width : "800px",
           height : "200px",
          uploadJson: ‘/admin/upload/kindeditor‘,
   });
});