HttpClient操作cookie简单示例

package org.sunnysolong.net;

 

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.File;

import java.io.FileWriter;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.io.UnsupportedEncodingException;

import java.net.URLEncoder;

 

import org.apache.commons.httpclient.Cookie;

import org.apache.commons.httpclient.HttpClient;

import org.apache.commons.httpclient.HttpException;

import org.apache.commons.httpclient.HttpStatus;

import org.apache.commons.httpclient.NameValuePair;

import org.apache.commons.httpclient.methods.GetMethod;

 

 

/**

 * Wap登录返回测试

* Title: JavaTech<br>

* Description: <br>

* Copyright: Copyright (c) 2011 <br>

* Create DateTime: Nov 14, 2011 8:55:24 PM <br>

* @author wangmeng

 */

public class WapQuery {

 

private static String URL_LINK = "http://192.168.1.147/t3/wap/index.php";

// http://192.168.1.147/t3/wap/index.php?mod=topic&code=myhome

// 转向URL：http://192.168.1.147:80/t3/wap/index.php

private static final HttpClient HTTP_CLIENT = new HttpClient();

private static Cookie[] cookies;

private static GetMethod login;

private static GetMethod home;

/**

* 输入流转换成字符串

* @param is: 输入流

* @return 字符串对象

*/

private static String InputStreamToString(InputStream is){

        BufferedReader reader = null;

        StringBuffer responseText = null;

        String readerText = null;

try {

reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));

responseText = new StringBuffer();

readerText = reader.readLine();

       while(readerText != null){

        responseText.append(readerText);

        responseText.append(System.getProperty("line.separator"));

        readerText = reader.readLine();

       }

} catch (UnsupportedEncodingException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

return responseText.toString();

}

/**

* 将cookie写入指定文件

* @param cookies: cookie

* @param fileName: 文件名

*/

private static void write(Cookie[] cookies, String fileName){

try {

String path = System.getProperty("user.home") + "\\" + fileName;

File file = new File(path);

BufferedWriter bw = new BufferedWriter(new FileWriter(file));

for(Cookie c : cookies){

bw.append(c.toString());

bw.append(System.getProperty("line.separator"));

}

bw.flush();

bw.close();

Runtime.getRuntime().exec("explorer " + path + "");

} catch (IOException e) {

e.printStackTrace();

}

}

/**

* 登录

*/

private static void login(){

try {

//指定链接设定请求方式

login = new GetMethod(URL_LINK);

//入参

NameValuePair mod = new NameValuePair("mod", "login");

NameValuePair code = new NameValuePair("code", "dologin");

NameValuePair username = new NameValuePair("username", URLEncoder.encode("[e-mail]", "UTF-8"));

NameValuePair password = new NameValuePair("password", URLEncoder.encode("123456", "UTF-8"));

NameValuePair iswap = new NameValuePair("iswap", "1");

NameValuePair cityID = new NameValuePair("cityID", URLEncoder.encode("755", "UTF-8"));

NameValuePair city = new NameValuePair("city", URLEncoder.encode("深圳", "UTF-8"));

NameValuePair[] params = new NameValuePair[]{mod, code, username, password, iswap, cityID, city};

//设参

       login.setQueryString(params);

       //禁用重定向

       login.setFollowRedirects(false);

       //执行请求并返回状态码

            int statusCode = HTTP_CLIENT.executeMethod(login);

         //转向URL：http://192.168.1.147:80/t3/wap/index.php

            if (statusCode != HttpStatus.SC_OK) {

                System.err.println("LOGIN_ERROR >>> " + login.getStatusLine());

            }

            System.out.println("LOGIN_RESPONSE >>>" + InputStreamToString(login.getResponseBodyAsStream()));

            //设定全局cookie

            cookies = HTTP_CLIENT.getState().getCookies();

            //记录cookie

            write(cookies, "login-cookie.txt");

} catch (UnsupportedEncodingException e) {

System.err.println("(LOGIN) " + e.getMessage());

} catch (HttpException e) {

System.err.println("(LOGIN) " + e.getMessage());

e.printStackTrace();

} catch (IOException e) {

System.err.println("(LOGIN) " + e.getMessage());

} finally{

//释放连接

login.releaseConnection();

}

 

}

/**

* 主页

*/

private static void home(){

        try {

         //指定链接设定请求方式

         home = new GetMethod(URL_LINK);

         //入参、设参

         home.setQueryString("mod=topic&code=myhome");

         //记录cookie

         write(HTTP_CLIENT.getState().getCookies(), "home-cookie.txt");

         //添加cookie

         HTTP_CLIENT.getState().addCookies(cookies);

         //执行请求并返回状态码

            int statusCode = HTTP_CLIENT.executeMethod(home);

            if (statusCode != HttpStatus.SC_OK) {

                System.err.println("HOME_ERROR >>>" + home.getStatusLine());

            }

            //再次记录cookie

            write(HTTP_CLIENT.getState().getCookies(), "access-cookie.txt");

            System.out.println("HOME_RESPONSE >>>" + InputStreamToString(home.getResponseBodyAsStream()));

        } catch (HttpException e) {

         System.err.println("(HOME) " + e.getMessage());

        } catch (IOException e) {

         System.err.println("(HOME) " + e.getMessage());

        } finally {

            home.releaseConnection();

        }

 

}

 

public static void main(String[] args) {

//登录

login();

//转向主页

home();

/**

* 说明：查看login-cookie.txt和home-cookie.txt中记录的cookie是否完全一致，是则表示会话信息保留完整。

* access-cookie.txt中记录的是第二次请求返回的cookie，用来与全局记录的cookie做信息对比。

*/

    }

 

}