[一篮饭特稀原创,转载请注明出自http://www.cnblogs.com/wanghafan/p/3284481.html]
PostLogin :登录,并保存Cookie
1 public static string PostLogin(string postData, string requestUrlString, ref CookieContainer cookie)
2 {
3 ASCIIEncoding encoding = new ASCIIEncoding();
4 byte[] data = encoding.GetBytes(postData);
5 //向服务端请求
6 HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(requestUrlString);
7 myRequest.Method = "POST";
8 myRequest.ContentType = "application/x-www-form-urlencoded";
9 myRequest.ContentLength = data.Length;
10 myRequest.CookieContainer = new CookieContainer();
11 Stream newStream = myRequest.GetRequestStream();
12 newStream.Write(data, 0, data.Length);
13 newStream.Close();
14 //将请求的结果发送给客户端(界面、应用)
15 HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
16 cookie.Add(myResponse.Cookies);
17 StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
18 return reader.ReadToEnd();
19 }
PostRequest :登录后使用Cookie进行其他操作
1 public static string PostRequest(string postData, string requestUrlString, CookieContainer cookie)
2 {
3 ASCIIEncoding encoding = new ASCIIEncoding();
4 byte[] data = encoding.GetBytes(postData);
5 HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(requestUrlString);
6 myRequest.Method = "POST";
7 myRequest.ContentType = "application/x-www-form-urlencoded";
8 myRequest.ContentLength = data.Length;
9 myRequest.CookieContainer = cookie;
10 Stream newStream = myRequest.GetRequestStream();
11 newStream.Write(data, 0, data.Length);
12 newStream.Close();
13 HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse();
14 StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);
15 return reader.ReadToEnd();
16 }
e.g.
1 string strIMSPhone = tb_IMSPhone.Text.Trim();
2 string strIMSPwd = tb_IMSPwd.Text.Trim();
3 string postData = "username=" + strIMSPhone + "&password=" + strIMSPwd + "&type=2";
4 CookieContainer cookie=new CookieContainer();
5 if (IMSHelper.PostLogin(postData, post_signIn, ref cookie).Equals("ok"))
6 {
7 string strCont = PostRequest("", post_getContJsonData, cookie);
8 }