httputil.java

模拟的土豆网视频网站

package cn.myvideosite.util;


import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.SocketTimeoutException;
import java.net.URL;
import java.net.URLConnection;

public class HttpUtil{     
    
	private static final int timeout=88888;
	
	public static String  request(String url,String charsetName){
    	   URL httpurl=null;   	  
    	   StringBuffer sb=null;
    	   BufferedReader br = null;
    	   try {
			httpurl=new URL(url);
			URLConnection connection=httpurl.openConnection();
			if(connection!=null){
				connection.setConnectTimeout(timeout);
				connection.setReadTimeout(timeout);
			    connection.connect();
			}
			br = new BufferedReader(new InputStreamReader(connection.getInputStream(),charsetName));		
			//char[] carr= new char[1024];		
			String line=null;
			sb=new StringBuffer();
			while((line=br.readLine())!=null){
				sb.append(line);			    
			}		
			return sb.toString();
		   } catch (MalformedURLException e) {			
			   e.printStackTrace();
		  }catch (SocketTimeoutException  e) {
			    e.printStackTrace();
			    System.out.println("连接超时 !!!");
		  }catch (IOException e) {
			    e.printStackTrace();
		  }finally{
			 
			    try {
				    if(br!=null){				    
					br.close();
					br=null;
				    }
				} catch (IOException e) {					
					e.printStackTrace();
				}			  
		  }
		  return null;
       }	
	
	public static void main(String[] args){
		//System.out.println(request("http://www.56.com/h44/u_guest3179544213.html", "GB2312"));
	//	System.out.println(request("http://www.56.com/h46/u_andylau.html", "utf-8"));
		//http://www.56.com/h15/u_kobe2008920.html
		//System.out.println(request("http://www.56.com/w57/play_album-aid-1228780_vid-MTgyNjEyODE.html", "GB2312"));
	}
}