防止HTTP连接中的自动重定向

import java.io.IOException;

import java.net.HttpURLConnection;

import java.net.MalformedURLException;// 来 自 N  o w  J a v a . c o m

import java.net.URL;

import java.net.URLConnection;


public class Main {

  public static void main(String[] argv) {

    // Disable automatic redirects for all HTTP requests

    HttpURLConnection.setFollowRedirects(false);


    // Disable automatic redirects for a particular connection

    try {

      // Create a URLConnection object for a URL

      URL url = new URL("http://hostname:80");

      URLConnection conn = url.openConnection();


      // Disable automatic redirects just for this connection

      HttpURLConnection httpConn = (HttpURLConnection) conn;

      httpConn.setInstanceFollowRedirects(false);

      /**
      时代Java
      **/