package com.MyQQ.test;

import java.awt.Color;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.IOException;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTabbedPane;
import javax.swing.JTextField;
import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreePath;

/**
 * @author 
 * 2012-4-9
 */
public class ShowFriend {
    
    JFrame  showfriend=new JFrame();
    String  string;
    
    
    
public  void  init(String  string){
        //public  void  init(){
        showfriend.setBounds(800, 50, 290,716);
        showfriend.setBackground(Color.blue);
        JPanel  p1=new  JPanel();
        
        
        JLabel  label1=new  JLabel();
        JLabel  label2=new  JLabel();
        JLabel  label3=new  JLabel();
        JLabel  label4=new  JLabel();
        
        JTextField  tf1=new  JTextField(15);
        
        JTextField  tf2=new  JTextField(25);
        JButton  btn1=new  JButton();
        //让label2显示网名
            String  strNick;
          strNick=new QQDB().showNick(string);
            label2.setText( strNick);
        
        
        tf1.setText("编辑个性签名");
        tf2.setText("请输入你要查询的内容");
        label1.setIcon(new  ImageIcon(".\\src\\image\\headlog.jpg"));
        label3.setIcon(new  ImageIcon(".\\src\\image\\weather.png"));
        label4.setIcon(new  ImageIcon(".\\src\\image\\QQZone.png"));
        btn1.setIcon(new ImageIcon(".\\src\\image\\search.png"));
        
        //想要在这个panel里用setbounds必须先把p1的布局设置空
        //各个组件如果都在一个面板中以左上角为起始点
        //为各个组件设置布局
        p1.setLayout(null);
        label1.setBounds(0, 16, 79, 81);
        label1.setBorder(null);
        label2.setBounds(91,16, 124, 20);
        tf1.setBounds(91, 45, 128, 20);
        label3.setBounds(225, 16, 56, 54);
        label4.setBounds(91, 76, 189, 22);
        tf2.setBounds(0, 106, 240, 25);
        btn1.setBounds(243, 106, 32, 22);
        btn1.setBorder(null);
        btn1.addActionListener(new  MyAction());
        
        
        //JTabbedPane允许用户通过单击具有给定标题和/或图标的选项卡，在一组组件之间进行切换
        
        JTabbedPane  tPane=new  JTabbedPane(JTabbedPane.TOP);
        
        tPane.setBounds(0, 126, 290, 543);
        
           String  str3=new QQDB().getTableName(string);
        
          //创建树,设置node为这个树的根结点,并且名字为root
        System.out.println("1");
          final DefaultMutableTreeNode  node=new  DefaultMutableTreeNode("root");
          final JTree   tree=new  JTree(node);
            System.out.println("2");
          //调用数据库里面的添加子节点的方法添加节点到根下面
          new QQDB().createNode(node, "0",str3);
          System.out.println("4");
        //把父子结点之间的连线去掉
          tree.putClientProperty("JTree.lineStyle", "None");
          //tree.setRootVisible(false);
          //tree.putClientProperty("JTree.lineStyle", "Angled"); 用来保留连线，其实默认值也是保留连线的
          //tree.setShowsRootHandles(true);  用来添加把手
          //tree.setRootVisible(false);
          
          
    
        //JScrollPane 管理视口、可选的垂直和水平滚动条以及可选的行和列标题视口
        JScrollPane  jsp1=new  JScrollPane(tree);
        JScrollPane  jsp2=new  JScrollPane();
        JScrollPane  jsp3=new  JScrollPane();
        JScrollPane  jsp4=new  JScrollPane();
        JScrollPane  jsp5=new  JScrollPane();
        
        
        //添加jscrollpanel并且为它们添加图标
        tPane.addTab(null,new ImageIcon(".\\src\\image\\1.jpg"),jsp1);
        tPane.addTab(null,new ImageIcon(".\\src\\image\\2.jpg"),jsp2);
        tPane.addTab(null,new ImageIcon(".\\src\\image\\3.jpg"),jsp3);
        tPane.addTab(null,new ImageIcon(".\\src\\image\\4.jpg"),jsp4);
        tPane.addTab(null,new ImageIcon(".\\src\\image\\5.jpg"),jsp5);
        tPane.setBorder(null);
        jsp1.setBorder(null);
        jsp2.setBorder(null);
        jsp3.setBorder(null);
        jsp4.setBorder(null);
        jsp5.setBorder(null);
        
        
        MouseListener ml = new MouseAdapter() {
            public void mousePressed(MouseEvent e) {
                int selRow = tree.getRowForLocation(e.getX(), e.getY());
                TreePath selPath = tree.getPathForLocation(e.getX(), e.getY());
                if(selRow != -1) {
                    if(e.getClickCount() == 1) {
                        mySingleClick(selRow, selPath);
                    }
                    else if(e.getClickCount() == 2) {
                        myDoubleClick(selRow, selPath);
                        
                    }
                }
            }

            private void myDoubleClick(int selRow, TreePath selPath) {
                //判断是不是最后的节点,用路径值看是不是数据库里面要求的第三级
                if (selPath.getPathCount()==3) 
                {
                    


???????????这里怎么拿到叶子的ID呢，现在可以拿到的只是name
                    //把当前节点的Id传递进去
                    new DialogJFrame();
                    //selPath.getLastPathComponent()得到的是节点name,通过这个name去查ID
                    System.out.println(selPath.getLastPathComponent());
                    System.out.println(selPath);
                    System.out.println("--------------");
                
            }else {
                    //打开下面的子节点，不用写
                
                    
            }
                
            }

            private void mySingleClick(int selRow, TreePath selPath) {
                
            }
        };
        tree.addMouseListener(ml);
        
        
         
        
        //p1.setBackground(Color.BLUE);
        p1.add(label1);
        p1.add(label2);
        p1.add(label3);
        p1.add(label4);
        p1.add(tf1);
        p1.add(tf2);
        p1.add(btn1);
        p1.add(tPane);
        
        showfriend.add(p1);
        
        showfriend.setVisible(true);
        showfriend.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        
        
    }
    //public static void main(String[] args) {
    
     public void showfriend(String str){
            this.string=str;
            //为了显示网名，我们把ID一直传下去，便于数据库的查询
            init(string);
            //new ShowFriend();
        }
}

//打开网页进行搜索
class   MyAction   implements  ActionListener{

    public void actionPerformed(ActionEvent e) {
         try {
               Process process = Runtime.getRuntime().exec("explorer http://www.baidu.com");
              } catch (IOException e3) {
             e3.printStackTrace();
              }
             }
        
    }
    



数据库操作如下


    //创建树遍历表里面的节点
    
    public void createNode(DefaultMutableTreeNode parent, String ParentId,String   string){
    
            try {
                          
                 this.str1=string;
                 
                 
                if (str1.equals("adminfriend")) {
                    DefaultMutableTreeNode  temp=null;
                    
                    String  sql="select  friendId,name,ParentId  from  adminfriend  where  ParentID='" + ParentId + "'"; 
                
                    stmt=conn.createStatement();
                    res=stmt.executeQuery(sql);
        
            //定义光标位置    
                int i=0;
                
                while (res.next()) {
                

                    i++;
                   temp=new DefaultMutableTreeNode(res.getString("name"));
                   parent.add(temp);
                   createNode(temp, res.getString("friendId"),string);
                   res=stmt.executeQuery(sql);
                   res.relative(i);
                    
                }
            }if (string.equals("rootfriend")) {
                DefaultMutableTreeNode  temp=null;
                
                String  sql="select  friendId,name,ParentId  from  rootfriend  where  ParentID='" + ParentId + "'"; 
            
                stmt=conn.createStatement();
                res=stmt.executeQuery(sql);
            
            
        
        //定义光标位置    
            int i=0;
            
            while (res.next()) {
            

                i++;
               temp=new DefaultMutableTreeNode(res.getString("name"));
               parent.add(temp);
               createNode(temp, res.getString("friendId"),string);
               res=stmt.executeQuery(sql);
               res.relative(i);
                
            }
            }
                
            
                
            } catch (Exception e) {
                e.printStackTrace();
            }
            

                
                
            }

数据库如图