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("[email protected]", "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。
*/
}
}