HttpClient登录人人网
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package com.demo;
import java.io.File;
import org.apache.commons.httpclient.Cookie;
import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.cookie.CookiePolicy;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
public class LoginRenRen {
private static final String LOGON_SITE = "www.renren.com";
private static final int LOGON_PORT = 80;
public static void main(String[] args)throws Exception {
HttpClient client = new HttpClient();
client.getHostConfiguration().setHost(LOGON_SITE, LOGON_PORT, "http"); //配置服务器参量
client.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY); //配置Cookie策略为浏览器默认策略
//登录页面
PostMethod post = new PostMethod("http://www.renren.com/PLogin.do");
NameValuePair ie = new NameValuePair("User-Agent","Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)");
NameValuePair url = new NameValuePair("origURL", "http://www.renren.com/Home.do");
//NameValuePair domain = new NameValuePair("domain", "renren.com");
NameValuePair username = new NameValuePair("email","帐号");
NameValuePair password = new NameValuePair("password", "密码");
NameValuePair isplogin = new NameValuePair("isplogin", "true");
NameValuePair formName = new NameValuePair("formName", "");
NameValuePair method = new NameValuePair("method", "");
post.setRequestBody(new NameValuePair[] {ie,url,username, password,isplogin,formName,method});
int statusCode = client.executeMethod(post);
if (statusCode == HttpStatus.SC_MOVED_PERMANENTLY ||
statusCode == HttpStatus.SC_MOVED_TEMPORARILY) {
// 从头中取出转向的地址
Header locationHeader = post.getResponseHeader("location");
String location = null;
if (locationHeader != null) {
location = locationHeader.getValue();
System.out.println("页面重定向:" + location);
} else {
System.err.println("Location field value is null.");
//return;
}
}
System.out.println("******************************登录******************************");
Cookie[] cookies = client.getState().getCookies();
client.getState().addCookies(cookies);
post.releaseConnection();
System.out.println("******************************页面转向******************************");
String newUrl="http://www.renren.com/home";
System.out.println("=================================Cookies==============================");
int i=0;
for(Cookie c:cookies){
System.out.println(++i+":"+c);
}
client.getState().addCookies(cookies);
post.releaseConnection();
GetMethod get = new GetMethod(newUrl);
get.setRequestHeader("Cookie", cookies.toString());
client.executeMethod(get);
String responseString = get.getResponseBodyAsString();
//登录后首页的内容
//System.out.println(responseString);
get.releaseConnection();
// System.out.println("******************************组件功能******************************");
// System.out.println("******************************(1)进入首页******************************");
// String slave="http://www.renren.com/home";
// get = new GetMethod(slave);
// get.setRequestHeader("Cookie", cookies.toString());
// client.executeMethod(get);
// responseString = get.getResponseBodyAsString();
// System.out.println(responseString);
// get.releaseConnection();
}
}
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