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string outdata = "";
//新建一个CookieContainer来存放Cookie集合
HttpWebRequest myHttpWebRequest = (HttpWebRequest)WebRequest.Create(url);
//新建一个HttpWebRequest
myHttpWebRequest.ContentType = "application/x-www-form-urlencoded";
myHttpWebRequest.ContentLength = indata.Length;
myHttpWebRequest.Method = "POST";
myHttpWebRequest.UserAgent = "Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.22 (KHTML, like Gecko) Chrome/25.0.1364.172 Safari/537.22";
myHttpWebRequest.CookieContainer = myCookieContainer;
//设置HttpWebRequest的CookieContainer为刚才建立的那个myCookieContainer
Stream myRequestStream = myHttpWebRequest.GetRequestStream();
StreamWriter myStreamWriter = new StreamWriter(myRequestStream, Encoding.GetEncoding("gb2312"));
myStreamWriter.Write(indata, 0, indata.Length);
//把数据写入HttpWebRequest的Request流
myStreamWriter.Close();
myRequestStream.Close();
//关闭打开对象
HttpWebResponse myHttpWebResponse = (HttpWebResponse)myHttpWebRequest.GetResponse();
//新建一个HttpWebResponse
myHttpWebResponse.Cookies = myCookieContainer.GetCookies(myHttpWebRequest.RequestUri);
myCookieContainer.Add(myHttpWebResponse.Cookies);
//获取一个包含url的Cookie集合的CookieCollection
Stream myResponseStream = myHttpWebResponse.GetResponseStream();
StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("gb2312"));
outdata = myStreamReader.ReadToEnd();
JavaScriptSerializer js = new JavaScriptSerializer();
ServiceMVC.Model.WeiXinResponse _model = new ServiceMVC.Model.WeiXinResponse();
_model = js.Deserialize<ServiceMVC.Model.WeiXinResponse>(outdata);
string strErrMsg =_model.ErrMsg;
TOKEN = strErrMsg.Substring(strErrMsg.LastIndexOf("=")+1);
//把数据从HttpWebResponse的Response流中读出
myStreamReader.Close();
myResponseStream.Close();
// Console.WriteLine(outdata);
//显示"登录"
//拿到了Cookie,再进行请求就能直接读取到登录后的内容了
myHttpWebRequest = (HttpWebRequest)WebRequest.Create(url);
myHttpWebRequest.CookieContainer = myCookieContainer;//*
//刚才那个CookieContainer已经存有了Cookie,把它附加到HttpWebRequest中则能直接通过验证
myHttpWebResponse = (HttpWebResponse)myHttpWebRequest.GetResponse();
myHttpWebResponse.Cookies = myCookieContainer.GetCookies(myHttpWebRequest.RequestUri);
myCookieContainer.Add(myHttpWebResponse.Cookies);
myResponseStream = myHttpWebResponse.GetResponseStream();
myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("gb2312"));
outdata = myStreamReader.ReadToEnd();
myStreamReader.Close();
myResponseStream.Close();