java模拟登陆

import java.io.IOException;
import java.util.HashMap;
import org.jsoup.Connection;
import org.jsoup.Connection.Method;
import org.jsoup.Connection.Response;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;

public class PullHtml {

    public static void main(String[] args) {
        // 登陆
        String url = "http://127.0.0.1/session/index.php/welcome/";
        // 登陆后访问的页面
        String url2 = "http://127.0.0.1/session/index.php/welcome/test";

        try {

            Connection conn = Jsoup.connect(url);
            conn.method(Method.POST);
            conn.followRedirects(false);
            // 填写用户名密码
            conn.data("name", "admin").data("pwd", "admin");
            Response response = conn.execute();

            // 获取登陆后的cookie
            HashMap<String, String> cookies = (HashMap<String, String>) response.cookies();

            //设置cookie访问
            Document doc = Jsoup.connect(url2).cookies(cookies).get();

            System.out.println(doc.body().text());

        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }
}