JAVA 学习笔记

import com.sun.org.apache.bcel.internal.generic.BranchInstruction;

import javax.swing.*;
import javax.swing.border.Border;
import javax.swing.event.*;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import java.awt.*;
import java.awt.event.*;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyVetoException;
import java.beans.VetoableChangeListener;


/**
 * Created by zy on 16-4-13.
 */
 class MyGUI{
    MouseListener myMouselistener=new MyMouseListener();
    static JFrame jframe=new JFrame();//JFrame框
    JPanel jpanel_west=new JPanel();//Left Panel
    JPanel jpanel_center=new JPanel();//Right Panel


    static JTextArea textArea=new JTextArea("服务器接收的数据");;
    JTabbedPane jTabbedPane=new JTabbedPane(JTabbedPane.TOP);
    JPanel jPanelip=new JPanel();

    JPopupMenu pMenu1=new JPopupMenu(); //创建弹出式菜单，下面三项是菜单项
    JMenuItem mItem1=new JMenuItem("创建一个服务器");
    DefaultMutableTreeNode root=new DefaultMutableTreeNode("创建服务器");
    JTree tree=new JTree(root);
    MyGUI(){
        this.creat_mainJframe();//创建一个主框体
        this.creat_tree();
        jframe.setVisible(true);
    }
    MyGUI(int a){

    }
    void creat_mainJframe(){
        jframe.setBounds(100,100,600,300);
        jframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        jframe.setTitle("服务器");
        jframe.setLayout(new BorderLayout());
        //jpanel_west.setBounds(0,0,100,300);
        jpanel_west.setBorder(BorderFactory.createLineBorder(Color.black));
        jpanel_west.setBackground(Color.LIGHT_GRAY);

        jframe.add(jpanel_west,BorderLayout.WEST);
        jframe.add(jpanel_center,BorderLayout.CENTER);
        jframe.setVisible(true);
    }

    void creat_tree(){
        tree.addTreeSelectionListener(new TreeSelectionListener() {
            @Override
            public void valueChanged(TreeSelectionEvent treeSelectionEvent) {
                //  treeSelectionEvent.
                System.out.println("choose");
                DefaultMutableTreeNode node=(DefaultMutableTreeNode)tree.getLastSelectedPathComponent();
                if(node.isLeaf()){//判断是否选择了叶子节点，选择root返回false。选择叶子节点返回true
                    //启动服务器
                    GetIP_Port getIP_port=new GetIP_Port(node.toString());
                    String ip=getIP_port.getIp();
                    String port=getIP_port.getPort();
                    if(ip.equals("0.0.0.0")){
                        //unstart server
                        System.out.println("Server have not Started");
                    }
                    else{
                        //start server
                        System.out.println("Server have Started");
                 //       System.out.print(Integer.parseInt(port));
                        MyLocalServer localServer=new MyLocalServer(ip,Integer.parseInt(port));
                        MyThread myThread=new MyThread(localServer,"MyServer");
                        creat_TabbebPane(ip);
//                        set_textArea(MyLocalServer.str);
//                        set_textArea("");
                    }


                }

            }
        });
        tree.addMouseListener(myMouselistener);
        JScrollPane treeScrollPanel=new JScrollPane();
        // treeScrollPanel.add(tree);
        treeScrollPanel.setViewportView(tree);
        jpanel_west.add(treeScrollPanel);

        mItem1.addMouseListener(myMouselistener);
    }
     void set_textArea(String str){
//        System.out.println(str);
        textArea.setText(str);

//        jPanelip.revalidate();
//        jTabbedPane.revalidate();
//        jpanel_center.revalidate();
//
//        jframe.revalidate();
        jframe.setVisible(true);
    }
    void creat_TabbebPane(String ip){

        jTabbedPane.setBackground(Color.LIGHT_GRAY);
        jTabbedPane.setPreferredSize(new Dimension(jpanel_center.getWidth(),jpanel_center.getHeight()));
        //    System.out.println("get center width:"+jpanel_center.getWidth());

        jPanelip.setBackground(Color.CYAN);
        jPanelip.setLayout(new FlowLayout(FlowLayout.LEFT));
        jPanelip.setPreferredSize(new Dimension(jTabbedPane.getWidth(),jTabbedPane.getHeight()));
        //     jPanelip.setBounds(new Rectangle(jpanel_center.getWidth(),jpanel_center.getHeight()));
        //     jPanelip.setBounds(new Rectangle(100,100));
//        textArea=new JTextArea("服务器接收的数据");
        textArea.setEditable(true);

        textArea.setLineWrap(true);
//        System.out.println("jjj"+jPanelip.getWidth());//为什么获取的宽度是0
        textArea.setPreferredSize(new Dimension(400,100));

        jPanelip.add(textArea);
        jTabbedPane.addTab(ip,jPanelip);
        //jTabbedPane.addTab("kanwo",new JPanel());

        jpanel_center.add(jTabbedPane);
        jpanel_center.setLayout(new FlowLayout(FlowLayout.LEFT));
        jframe.setVisible(true);

//        System.out.println("entry into tabbedpanel");

    }
    class MyMouseListener implements MouseListener{
        JFrame jframe_Small;
        JTextField textField_top;
        JTextField jtextField_bottom;
        @Override
        public void mouseClicked(MouseEvent mouseEvent) {
            /*****************左击事件****************/
            if(mouseEvent.getClickCount()==2){
                System.out.println("you click twice");

            }
            if(mouseEvent.getButton()==MouseEvent.BUTTON1){
                System.out.println("1");

            }
            /*****************中间滚轮点击事件****************/
            else if(mouseEvent.getButton()==MouseEvent.BUTTON2){
                System.out.println("2");
            }
            /*****************右击事件****************/
            else if(mouseEvent.getButton()==MouseEvent.BUTTON3){
                System.out.println("3");
                pMenu1.add(mItem1);
                pMenu1.show(mouseEvent.getComponent(),mouseEvent.getX(),mouseEvent.getY());
            }

        }

        @Override
        public void mousePressed(MouseEvent mouseEvent) {
     //       System.out.println(mouseEvent.getSource().getClass().toString());

            if(mouseEvent.getSource().getClass().toString().equals("class javax.swing.JMenuItem")){
                System.out.println("进入");
                if(mouseEvent.getButton()==MouseEvent.BUTTON1){
                    jframe_Small=new JFrame("服务器信息");
                    jframe_Small.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
                    jframe_Small.setBounds(300,200,200,100);
                    JLabel label_ip=new JLabel("IP地址:");
                    textField_top=new JTextField("202.206.212.233");
                    //textField_top.setLayout(new L);
                    JLabel label_port=new JLabel("Port:");
                    jtextField_bottom=new JTextField("60000");
                    jtextField_bottom.addKeyListener(new KeyListener() {
                        @Override
                        public void keyTyped(KeyEvent keyEvent) {

                        }

                        @Override
                        public void keyPressed(KeyEvent keyEvent) {
                            if(keyEvent.getKeyCode()==KeyEvent.VK_ENTER){
                                System.out.println("enter");
                                DefaultTreeModel model= (DefaultTreeModel) tree.getModel();
                                String str=textField_top.getText()+":"+jtextField_bottom.getText();
                                DefaultMutableTreeNode child=new DefaultMutableTreeNode(str);
                                DefaultMutableTreeNode chosen= (DefaultMutableTreeNode) tree.getLastSelectedPathComponent();
                                if(chosen==null){
                                    chosen=root;
                                    System.out.println("root is null");
                                }
                                model.insertNodeInto(child,chosen,0);
//                                tree.updateUI();
                                jframe.setVisible(true);
                                jframe_Small.setVisible(false);
                            }
                        }

                        @Override
                        public void keyReleased(KeyEvent keyEvent) {

                        }
                    });

                    Box box_top=Box.createHorizontalBox();
                    Box box_bottom=Box.createHorizontalBox();
                    box_top.add(label_ip);
                    box_top.add(Box.createHorizontalStrut(30));
//                box_top.add(Box.createVerticalGlue());
                    box_top.add(textField_top);
                    box_bottom.add(label_port);
                    box_bottom.add(Box.createHorizontalStrut(40));
                    box_bottom.add(jtextField_bottom);

                    Box box=Box.createVerticalBox();
                    box.add(Box.createVerticalStrut(20));
//                box.add(Box.createVerticalGlue());
                    box.add(box_top);
                    box.add(Box.createVerticalStrut(20));
//                box.add(Box.createVerticalGlue());
                    box.add(box_bottom);
                    box.add(Box.createVerticalStrut(20));
//                box.add(Box.createVerticalGlue());
                    jframe_Small.add(box);
                    jframe_Small.setVisible(true);

                }
            }

//                  System.out.println("click2222");

        }

        @Override
        public void mouseReleased(MouseEvent mouseEvent) {
      //      System.out.println("unknow");

        }

        @Override
        public void mouseEntered(MouseEvent mouseEvent) {
      //      System.out.println("mouseon");

        }

        @Override
        public void mouseExited(MouseEvent mouseEvent) {
       //     System.out.println("mouseleave");

        }
    }
}



public class Myserver{
    public static void main(String args[]){

        MyGUI gui=new MyGUI();

    }
}

import javax.swing.*;
import java.awt.*;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintStream;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;

/**
 * Created by zy on 16-4-15.
 */
 class MyLocalServer {
    ServerSocket myserver;
    String ip;
    int port;
    MyGUI myGUI=new MyGUI(1);
    String str="str parameter inition";
    MyLocalServer(String ip,int port){
        this.ip=ip;
        this.port=port;
        try {
            myserver= new ServerSocket(this.port,1, InetAddress.getByName(this.ip));
        } catch (IOException e) {
            e.printStackTrace();
        }
        System.out.println("Myserver start");
    }
     public void runServer() {
        try {
            for (; ; ) {
                Socket socket = myserver.accept();
//                myGUI.creat_TabbebPane(ip);
                System.out.println("Received request from " + socket.getInetAddress() + ":" + socket.getPort());
                OutputStream out = socket.getOutputStream();
                PrintStream pout = new PrintStream(out);
                pout.print(new java.util.Date());
                out.flush();
                //               out.close();

                int c;
                InputStream timeStream = socket.getInputStream();
                StringBuffer time = new StringBuffer();
//                while ((c = timeStream.read()) != -1) {
//                    time.append((char) c);
//                }
                String timeString = time.toString();
                str="It is " + timeString + " at " + InetAddress.getByName(ip);
                System.out.println("MyLocalSocket's "+str);
                myGUI.set_textArea(str);
             //   MyGUI.set_textArea(str);
                socket.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}
class MyThread implements Runnable{
    MyLocalServer myLocalServer;
    Thread thread;
    MyThread(MyLocalServer mylocalServer,String name){
        this.myLocalServer=mylocalServer;
        thread=new Thread(this,name);
        thread.start();
    }

    @Override
    public void run() {
        myLocalServer.runServer();
    }
}

注意上面黄色标注：注意static的使用，否则不成功