主题：SWING实现新浪微博客户端（2）提取关注好友信息

思路：
当用户登录完成后，（登录问题请参见，SWING实现新浪微博客户端（1）自动登录功能 ）
1，模拟用户动作自动进入关注好友页面
2，根据关注好友页面结构提取关注好友的用户信息
3，将用户信息发送到后台，(例子中是在CONSOL中输出)

一，分析URL地址结构通过分析得知关注用户的URL地址为 http://t.sina.com.cn/2023096077/follow
而登录成功后的地址为



二，根据关注好友页面结构提取关注好友的用户信息





三，将用户信息发送到后台，(例子中是在CONSOL中输出)

import java.awt.BorderLayout;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Properties;

import javax.swing.BorderFactory;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;


import chrriis.common.UIUtils;
import chrriis.dj.nativeswing.swtimpl.NativeInterface;
import chrriis.dj.nativeswing.swtimpl.components.JWebBrowser;
import chrriis.dj.nativeswing.swtimpl.components.WebBrowserAdapter;
import chrriis.dj.nativeswing.swtimpl.components.WebBrowserCommandEvent;

import chrriis.dj.nativeswing.swtimpl.components.WebBrowserNavigationEvent;





public class SSOSina extends JPanel {

  protected static final String LS = System.getProperty("line.separator");
   private static final  String  loginUrl="http://t.sina.com.cn";

   private static  Properties  userProperties=new Properties();

  public SSOSina() {
    super(new BorderLayout());

    InputStream in = this.getClass().getResourceAsStream("userProperties.properties");
    if (in == null) {
        in = Thread.currentThread().getContextClassLoader().getResourceAsStream("userProperties.properties");
        if (in == null) {
            in = this.getClass().getClassLoader().getResourceAsStream("userProperties.properties");
        }
    }

    try {
        userProperties.load(in);
    } catch (IOException e1) {
        e1.printStackTrace();
    }

    JPanel webBrowserPanel = new JPanel(new BorderLayout());
    webBrowserPanel.setBorder(BorderFactory.createTitledBorder("DJNative JAVA浏览器实现 实现新浪微博自动登录"));
    final JWebBrowser webBrowser = new JWebBrowser();
    webBrowser.setBarsVisible(true);
    webBrowser.setDefaultPopupMenuRegistered(true);
    webBrowser.setStatusBarVisible(true);

    webBrowser.navigate(loginUrl);
    //单点登录自动提交监听器
    class SaveUserListener extends WebBrowserAdapter{
           @Override
           public void commandReceived(WebBrowserCommandEvent e) {
             String command = e.getCommand();
             Object[] parameters = e.getParameters();
             if("print".equals(command)) {
               String html = (String)parameters[0] ;
               System.out.println(html);
             }
             if("saveuser".equals(command)) {
                String loginname = (String)parameters[0] ;
                String password = (String)parameters[1] ;
             userProperties.setProperty("loginname", loginname);
             userProperties.setProperty("password", password);
                try {
                    String runningURL = (new URL(SaveUserListener.class
                            .getProtectionDomain().getCodeSource().getLocation(),
                            ".")).openConnection().getPermission().getName();
                    userProperties.save(new   FileOutputStream(new File(runningURL+"userProperties.properties")),"changed");

                } catch (FileNotFoundException e1) {
                    e1.printStackTrace();
                } catch (IOException e1) {

                    e1.printStackTrace();
                }

             }
           }

    }


    class ReLoginListener extends WebBrowserAdapter{
              public void locationChanged(WebBrowserNavigationEvent e) {
                if (e.getNewResourceLocation().equals("http://t.sina.com.cn")){
                      userProperties.setProperty("loginname", "");
                       userProperties.setProperty("password", "");
                    try {
                        String runningURL = (new URL(SaveUserListener.class
                                .getProtectionDomain().getCodeSource().getLocation(),
                                ".")).openConnection().getPermission().getName();
                        userProperties.save(new   FileOutputStream(new File(runningURL+"jdsclient_init.properties")),"changed");

                    } catch (FileNotFoundException e1) {
                        e1.printStackTrace();
                    } catch (IOException e1) {

                        e1.printStackTrace();
                    }



                String script="function saveuser(){" +LS+
                 "sendNSCommand('saveuser',document.getElementById('loginname').value,document.getElementById('password').value);"+LS+
                 "void(0);" +LS+
                 "}" +LS+
                 "document.getElementById('login_submit_btn').href=\"javascript:'saveuser()'\";document.getElementById('login_submit_btn').attachEvent('onclick',saveuser);" +LS+
                 "alert('用户名密码错误请重新输入');" +LS+
                 "";
                           e.getWebBrowser().executeJavascript(script);
                        }

               }

     }
    class GetUserListener extends WebBrowserAdapter{
          public void locationChanged(WebBrowserNavigationEvent e) {

              //判断登录成功进入首页
                 if( e.getWebBrowser().getPageTitle().indexOf("我的首页 ")>-1){
                     String url=e.getNewResourceLocation();
                    String id=url.substring(url.lastIndexOf("/")+1, url.length());
                     e.getWebBrowser().navigate("http://t.sina.com.cn/"+id+"/follow");//跳转到用户关注页面
                 }

              if (e.getNewResourceLocation().endsWith("/follow")){

                  //首先重写App.followcancel方法，修改为输出到控制台的日志
                  //跟据HTML规则提取关注用户HTML，再模拟点击
                     String script="var tagName='a';" +
                            " App.followcancel=function(id,div,type,name,sex)" +
                            "{" +
                            "sendNSCommand('print','id='+id+';'+'name='+name)" +
                            "};" +
                            "var allA=document.all.tags(tagName);" +
                            "for(var i=0 ;i<allA.length;i++){" +
                            "if (allA[i].outerHTML.indexOf('App.followcancel(')>-1)" +
                            "{" +
                            "allA[i].click();" +
                            "sendNSCommand('print',allA[i].outerHTML)" +
                            "}" +
                            "}";
                     e.getWebBrowser().executeJavascript(script);

            }       }
     }



    class SsoListener extends WebBrowserAdapter{
          public void locationChanged(WebBrowserNavigationEvent e) {
              if (e.getNewResourceLocation().equals("http://t.sina.com.cn/")){
                String loginname= userProperties.getProperty("loginname")  ;
                String password= userProperties.getProperty("password")  ;
                if ((loginname!=null &&!loginname.equals(""))  && (password!=null && !loginname.equals(""))){
                     String script="document.getElementById('loginname').value='"+loginname+"';" +LS+
                    "document.getElementById('password').value='"+password+"';" +LS+
                    "document.getElementById('login_submit_btn').click();";
                     e.getWebBrowser().executeJavascript(script);
                  //此处为修改代码


                     e.getWebBrowser().removeWebBrowserListener(this);//关闭当前监听


                    //此处为修改代码
                }else{
                 String script="function saveuser(){" +LS+
                 "sendNSCommand('saveuser',document.getElementById('loginname').value,document.getElementById('password').value);"+LS+

                 "}" +LS+
                 "document.getElementById('login_submit_btn').attachEvent('onclick',saveuser);" +LS+
                 "alert('存储的用户名密码为空，请输入用户名密码')" +LS+
                 "";
                    e.getWebBrowser().executeJavascript(script);
                    e.getWebBrowser().removeWebBrowserListener(this);
                    e.getWebBrowser().addWebBrowserListener(new ReLoginListener());

                }

              }else{
                  System.out.println(e.getNewResourceLocation());
              }
          }
     }




    webBrowser.addWebBrowserListener(new SaveUserListener());
    webBrowser.addWebBrowserListener(new SsoListener());
    webBrowser.addWebBrowserListener(new GetUserListener());//添加GetUserListener

    webBrowserPanel.add(webBrowser, BorderLayout.CENTER);

    add(webBrowserPanel, BorderLayout.CENTER);

  }


  public  InputStream loadResource(String name) {
      InputStream in = this.getClass().getResourceAsStream(name);
      if (in == null) {
          in = Thread.currentThread().getContextClassLoader().getResourceAsStream(name);
          if (in == null) {
              in = this.getClass().getClassLoader().getResourceAsStream(name);
          }
      }
      return in;
  }

  public static void main(String[] args) {
    UIUtils.setPreferredLookAndFeel();
    NativeInterface.open();
    SwingUtilities.invokeLater(new Runnable() {
      public void run() {
        JFrame frame = new JFrame("测试新浪微博登录");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.getContentPane().add(new SSOSina(), BorderLayout.CENTER);
        frame.setSize(800, 600);
        frame.setLocationByPlatform(true);
        frame.setVisible(true);
      }
    });
    NativeInterface.runEventPump();

  }


}