HttpClient Examples:Form based logon

官方主頁：http://hc.apache.org/

 

Components

• HttpCore
• HttpClient

Form based logon

This example demonstrates how HttpClient can be used to perform form-based logon.

 

基于表单登录

这个例子示范怎样的HttpClient被用于执行基于表单的登录

 

package cn.lake.util;

import java.util.ArrayList;
import java.util.List;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.cookie.Cookie;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HTTP;

/**
 * A example that demonstrates how HttpClient APIs can be used to perform
 * form-based logon.
 */
public class ClientFormLogin {

	public static void main(String[] args) throws Exception {

		DefaultHttpClient httpclient = new DefaultHttpClient();

		HttpGet httpget = new HttpGet("https://portal.sun.com/portal/dt");

		HttpResponse response = httpclient.execute(httpget);
		HttpEntity entity = response.getEntity();

		System.out.println("Login form get: " + response.getStatusLine());
		if (entity != null) {
			entity.consumeContent();
		}
		System.out.println("Initial set of cookies:");
		List<Cookie> cookies = httpclient.getCookieStore().getCookies();
		if (cookies.isEmpty()) {
			System.out.println("None");
		} else {
			for (int i = 0; i < cookies.size(); i++) {
				System.out.println("- " + cookies.get(i).toString());
			}
		}

		HttpPost httpost = new HttpPost("https://portal.sun.com/amserver/UI/Login?" + "org=self_registered_users&"
				+ "goto=/portal/dt&" + "gotoOnFail=/portal/dt?error=true");

		List<NameValuePair> nvps = new ArrayList<NameValuePair>();
		nvps.add(new BasicNameValuePair("IDToken1", "username"));
		nvps.add(new BasicNameValuePair("IDToken2", "password"));

		httpost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));

		response = httpclient.execute(httpost);
		entity = response.getEntity();

		System.out.println("Login form get: " + response.getStatusLine());
		if (entity != null) {
			entity.consumeContent();
		}

		System.out.println("Post logon cookies:");
		cookies = httpclient.getCookieStore().getCookies();
		if (cookies.isEmpty()) {
			System.out.println("None");
		} else {
			for (int i = 0; i < cookies.size(); i++) {
				System.out.println("- " + cookies.get(i).toString());
			}
		}
	}
}

 

翻译得不好，请见谅！