#coding:utf-8

#import开头的写在前面
import sys
#from开头的
#from后面第一个字母相同的写在一起  层次少的写在前面
from qdutw.const import *
from django.http import HttpResponse
from django.shortcuts import render
from django.utils.encoding import smart_str
from django.views.decorators.csrf import csrf_exempt

xmlstr = smart_str(request.body)
        xml = etree.fromstring(xmlstr)
        MsgType = xml.find(‘MsgType‘).text
        FromUserName = xml.find(‘FromUserName‘).text
        #暂时只支持文本消息的获取 而且各种消息的xml结构不一样  先判断消息类型
        if MsgType == ‘text‘:
            statistics(‘message_received‘)
            CreateTime = xml.find(‘CreateTime‘).text
            Content = xml.find(‘Content‘).text
            MsgId = xml.find(‘MsgId‘).text
            #处理微信消息
            return HttpResponse(auto_reply(FromUserName, Content, MsgType))
        elif MsgType == ‘event‘:
            event = xml.find(‘Event‘).text
            #用户关注事件
            if event == ‘subscribe‘:
                statistics(‘subscribe‘)
                return HttpResponse(auto_reply(FromUserName, "用户关注事件", ‘text‘))
            else:
                statistics(‘unsubscribe‘)
        else:
            #不支持的消息类型
            return HttpResponse(auto_reply(FromUserName, ‘不支持的消息类型‘, ‘text‘))

@login_required(login_url=‘teacher‘)
@is_teacher(redirect_url=‘‘)
def delete_experiment(request, experiment_id):
    try:
        experiment = Experiment.objects.get(id=experiment_id, 
                                            lesson__teacher=request.user)
    except Experiment.DoesNotExist:
        raise Http404
    experiment.delete()
    response = {"status_phrase": "ok", "lesson_id": experiment.lesson_id}
    return HttpResponse(simplejson.dumps(response))