formlogindemo.java~7~

这是用JAVA的SOCKET类实现的HTTP CLIENT的代码。通过它可以让原来很头疼的事情现在轻松的解决

package org.apache.commons.httpclient.demo;

import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.cookie.*;
import org.apache.commons.httpclient.methods.*;


/**
 * 用来演示登录表单的示例
 * @author Liudong
 */

public class FormLoginDemo {

    static final String LOGON_SITE = "90.0.12.20";
    static final int LOGON_PORT = 8088;

    public static void main(String[] args) throws Exception {
        HttpClient client = new HttpClient();
        client.getHostConfiguration().setHost(LOGON_SITE, LOGON_PORT);

        //模拟登录页面login.jsp->main.jsp

        PostMethod post = new PostMethod("/NationWideAdmin/test/FormLoginDemo.jsp");

        NameValuePair name = new NameValuePair("name", "ld");
        NameValuePair pass = new NameValuePair("password", "ld");
        post.setRequestBody(new NameValuePair[] {name, pass});

        int status = client.executeMethod(post);
        System.out.println(post.getResponseBodyAsString());

        post.releaseConnection();

        //查看cookie信息

        CookieSpec cookiespec = CookiePolicy.getDefaultSpec();
        Cookie[] cookies = cookiespec.match(LOGON_SITE, LOGON_PORT, "/NationWideAdmin/test/", false,client.getState().getCookies());

        if (cookies.length == 0) {
            System.out.println("None");
        } else {
            for (int i = 0; i < cookies.length; i++) {
                System.out.println(cookies[i].toString());
            }
        }

        //访问所需的页面main2.jsp

        GetMethod get = new GetMethod("/NationWideAdmin/test/FormLoginDemo1.jsp");
        client.executeMethod(get);
        //System.out.println(get.getResponseBodyAsString());
        //打印结果页面
        String response = new String(get.getResponseBodyAsString());
        //打印返回的信息
        System.out.println("===================================");
        System.out.println("返回的求内容:");
        System.out.println(response);
        System.out.println("===================================");

        get.releaseConnection();
    }
}