jsp“抓”网页代码的程序

<%@ page contentType="text/html;charset=gb2312"%> 
<% 

String sCurrentLine; 

String sTotalString; 

sCurrentLine=""; 

sTotalString=""; 

java.io.InputStream l_urlStream; 

java.net.URL l_url = new java.net.URL("http://www.163.net/"); 

java.net.HttpURLConnection l_connection = (java.net.HttpURLConnection) 
l_url.openConnection();

l_connection.connect(); 

l_urlStream = l_connection.getInputStream(); 

java.io.BufferedReader l_reader = 
new java.io.BufferedReader(new java.io.InputStreamReader(l_urlStream)); 

while ((sCurrentLine = l_reader.readLine()) != null) 

{ 

sTotalString+=sCurrentLine; 

} 

out.println(sTotalString); 

%>