C# 发HTTP请求

2015/09/20 31268

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protected void btnSend_Click(object sender, EventArgs e) 
        { 
   
            string url = "http://localhost:3547/waplocation.aspx"; 
            string mobileNo = this.txtMobileNo.Text; 
   
            StringBuilder reqStr = new StringBuilder(100); 
            reqStr.Append("reqtype=" + txtReqType.Text + "&mobile=" + mobileNo); 
            //reqStr.Append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); 
            //reqStr.Append("<request>"); 
            //reqStr.Append("<head><reqtype>" +txtReqType.Text +"</reqtype></head>"); 
            //reqStr.Append("<body>"); 
            //reqStr.Append("<mobiles>"); 
            //reqStr.Append("<mobile>" + mobileNo +"</mobile>"); 
            //reqStr.Append("</mobiles>"); 
            //reqStr.Append("</body>"); 
            //reqStr.Append("</request>"); 
   
            string postData = reqStr.ToString(); 
   
            ASCIIEncoding encoding = new ASCIIEncoding(); 
            byte[] data = encoding.GetBytes(postData); 
            HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(url); 
               
            myRequest.Method = "POST"; 
            myRequest.ContentType = "application/x-www-form-urlencoded"; 
            myRequest.ContentLength = data.Length; 
            Stream newStream = myRequest.GetRequestStream(); 
             
   
            newStream.Write(data, 0, data.Length); 
            newStream.Close(); 
   
            HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse(); 
            StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.Default); 
            string content = reader.ReadToEnd(); 
            txtResult.Text = content; 
        }

如果公司设置了代理，可以这样：
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try 
            { 
                string postData = ""; 
   
   
                ASCIIEncoding encoding = new ASCIIEncoding(); 
                byte[] data = encoding.GetBytes(postData); 
                WebProxy wp = new WebProxy("proxy Address"); 
                wp.Credentials = new System.Net.NetworkCredential("username", "password","domain"); 
   
   
   
   
                HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(url); 
                myRequest.Proxy = wp;  
                   
                myRequest.Method = "POST"; 
                myRequest.ContentType = "application/x-www-form-urlencoded"; 
                myRequest.ContentLength = data.Length; 
                Stream newStream = myRequest.GetRequestStream(); 
   
   
                newStream.Write(data, 0, data.Length); 
                newStream.Close(); 
   
   
                HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse(); 
                StreamReader reader = new StreamReader(myResponse.GetResponseStream(), Encoding.Default); 
                string content = reader.ReadToEnd(); 
                return content; 
            } 
               
            catch(Exception ex){ 
                return string.Empty; 
            }