1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Linq;
 7 using System.Text;
 8 using System.Windows.Forms;
 9 using System.Net;
10 using System.IO;
11 
12 namespace SendMsgSMS
13 {
14     public partial class Form1 : Form
15     {
16         private string url = "http://utf8.sms.webchinese.cn/?";
17         private string strUid = "Uid=";
18         private string strKey = "&key=*******************"; //这里*代表秘钥，由于从长有点麻烦，就不在窗口上输入了
19         private string strMob = "&smsMob=";
20         private string strContent = "&smsText=";
21         public Form1()
22         {
23             InitializeComponent();
24         }
25 
26         private void button1_Click(object sender, EventArgs e)
27         {
28             if (txtUerName.Text.ToString().Trim() != "" && txtAttnNum.Text.ToString().Trim() != "" &&txtContent.Text.ToString() != null) 
29             {
30                 url = url + strUid + txtUerName.Text + strKey + strMob + txtAttnNum.Text + strContent + txtContent.Text;
31                 string Result = GetHtmlFromUrl(url);
32 
33                 MessageBox.Show(Result);
34             }
35         }
36 
37         public string GetHtmlFromUrl(string url)
38         {
39             string strRet = null;
40             if (url == null || url.Trim().ToString() == "")
41             {
42                 return strRet;
43             }
44             string targeturl = url.Trim().ToString();
45             try
46             {
47                 HttpWebRequest hr = (HttpWebRequest)WebRequest.Create(targeturl);
48                 hr.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)";
49                 hr.Method = "GET";
50                 hr.Timeout = 30 * 60 * 1000;
51                 WebResponse hs = hr.GetResponse();
52                 Stream sr = hs.GetResponseStream();
53                 StreamReader ser = new StreamReader(sr, Encoding.Default);
54                 strRet = ser.ReadToEnd();
55             }
56             catch (Exception ex)
57             {
58                 strRet = null;
59             }
60             return strRet;
61         }
62     }
63 }