ASP.NET技巧：.net 后台的小偷程序

private void Page_Load(object sender, System.EventArgs e)
  {
   
   WebRequest wreq=WebRequest.Create(\"http://weather.yahoo.com/forecast/CHXX0133_c.html\");  

   HttpWebResponse wresp=(HttpWebResponse)wreq.GetResponse();  

   string HTML =\"\";  
   Stream s=wresp.GetResponseStream();  

   StreamReader objReader = new StreamReader(s,System.Text.Encoding.GetEncoding(\"GB2312\"));  


   string sLine = \"\";  
   int i = 0;  

   while (sLine!=null)  
   {  
    i++;  
    sLine = objReader.ReadLine();  
    if (sLine!=null)  
     HTML += sLine;  
   }  

   String temp= \"\";  
   int start,stop;  
  
  // string aa=\"<div class=\\\"five-day-forecast night\\\" style=\\\"border:none;\\\">\";
   
  //string aa=\"<div class=\\\"five-day-forecast\\\" style=\\\"border:none;\\\">\";

   string aa=\"<table><th>Today</th>\";
   start = HTML.IndexOf(aa,0,HTML.Length);  

   stop = HTML.IndexOf(\"</table>\",start)+8;  

   temp = HTML.Substring(start, stop - start);  

   this.Weather2.Text=temp;
      string cc=\"<tr class=\\\"titles\\\"><td>\";
//     
       int aa1 =temp.IndexOf(cc,0,temp.Length);  

   int bb=temp.IndexOf(\"</td>\",aa1);

   this.Weather2.Text=temp.Substring(aa1, bb - aa1).ToString();  
   
   string ee=\"<tr class=\\\"temps\\\">\";

   int aa2 =temp.IndexOf(ee,0,temp.Length);  

   int bb1=temp.IndexOf(\"</td>\",aa2);

   this.Label1.Text=temp.Substring(aa2, bb1 - aa2).ToString();  

   
   // 在此处放置用户代码以初始化页面
  }