C#使用GET、POST请求获取结果，这里以一个简单的用户登陆为例。

1、 使用GET请求获取结果

1.1 创建LoginHandler.aspx处理页面

protected void Page_Load(object sender, EventArgs e) { string result = ""; string userName = Request.QueryString["UserName"]; string password = Request.QueryString["Password"]; if (userName == "admin" && password == "123") { result = "登陆成功"; } else { result = "登陆失败"; } Response.Write(result); }

1.2 编写GET请求与获取结果方法

/// <summary> /// GET请求与获取结果 /// </summary> public static string HttpGet(string Url, string postDataStr) { HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url + (postDataStr == "" ? "" : "?") + postDataStr); request.Method = "GET"; request.ContentType = "text/html;charset=UTF-8"; HttpWebResponse response = (HttpWebResponse)request.GetResponse(); Stream myResponseStream = response.GetResponseStream(); StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.UTF8); string retString = myStreamReader.ReadToEnd(); myStreamReader.Close(); myResponseStream.Close(); return retString; }

1.3 调用测试

static void Main(string[] args) { string url = "http:///LoginHandler.aspx"; string data = "UserName=admin&Password=123"; string result = HttpPost(url, data); Console.WriteLine(result); Console.ReadLine(); }

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