java实现窗口的代码 java窗口代码大全

用java做一个窗口

java做窗口的话，需要用swing技术，之后创建JFrame 等组件，即可完成窗口创建工作。

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package inter.frame;import java.awt.BorderLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;import javax.swing.JFrame;

import javax.swing.JMenu;

import javax.swing.JMenuBar;

import javax.swing.JMenuItem;

import javax.swing.JOptionPane;public class MenuTest { /**

* @param args

JFrame frame; //定义一个窗口架构

JMenuBar mb;//定义窗口的菜单工具栏

JMenu m; //定义菜单

JMenuItem mi1;//定义菜单的内容

JMenuItem mi2; //定义菜单的内容

public MenuTest() {

initFrame();

initAction();

}

public void initFrame() {

frame = new JFrame();

mb = new JMenuBar();

m = new JMenu("学生查询");

mi1 = new JMenuItem("确认");

mi2 = new JMenuItem("取消"); m.add(mi1);

m.add(mi2);

mb.add(m);

frame.add(mb, BorderLayout.NORTH);

frame.setSize(300, 300); //设置窗口大小

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//设置退出时关闭窗口

frame.setVisible(true);//设置窗口可见

} public void initAction() {

mi1.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

// 具体实现代码根据实际要求填写

System.out.println("click");

JOptionPane.showMessageDialog(null, "你点击了确定按钮");

}

});

mi2.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

// 具体实现代码根据实际要求填写

JOptionPane.showMessageDialog(null, "你点击了取消按钮");

}

});

} public static void main(String[] args) {

new MenuTest();//执行菜单创建

}}

java编写有窗口界面应用程序求代码

package image;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Dimension;

import java.awt.GridLayout;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.SwingUtilities;

public class PanelRunner extends JFrame

{

private static final long serialVersionUID = 1L;

private static void initPanels ( JFrame pr )

{

for ( int i = 0; i 5; i++ )

{

JPanel panel = new JPanel ();

switch (i)

{

case 0:

panel.setBackground (Color.RED);

panel.setPreferredSize (new Dimension (200, 100));

pr.add (panel, BorderLayout.NORTH);

break;

case 1:

panel.setBackground (Color.YELLOW);

panel.setPreferredSize (new Dimension (200, 300));

pr.add (panel, BorderLayout.EAST);

break;

case 2:

panel.setBackground (Color.ORANGE);

panel.setPreferredSize (new Dimension (200, 100));

pr.add (panel, BorderLayout.SOUTH);

break;

case 3:

panel.setBackground (Color.WHITE);

panel.setPreferredSize (new Dimension (200, 300));

pr.add (panel, BorderLayout.WEST);

break;

case 4:

pr.add (panel, BorderLayout.CENTER);

panel.setPreferredSize (new Dimension (200, 100));

panel.setLayout (new GridLayout (1, 2));

for ( int j = 0; j 2; j++ )

{

JPanel subPanel = new JPanel ();

subPanel.setPreferredSize (new Dimension (200, 100));

Color color = j == 0 ? Color.BLUE : Color.GREEN;

subPanel.setBackground (color);

panel.add (subPanel);

}

break;

default:

break;

}

private static void initFrame ( JFrame pr )

{

pr.setLayout (new BorderLayout ());

pr.setSize (600, 300);

pr.setLocationRelativeTo (null);

pr.setResizable (false);

pr.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);

}

public static void main ( String[] args )

{

SwingUtilities.invokeLater (new Runnable ()

{

@Override

public void run ()

{

PanelRunner pr = new PanelRunner ();

initFrame (pr);

initPanels (pr);

pr.setVisible (true);

}

});

}

java聊天窗口的实现

编写一数据报通信程序实现简单的聊天功能

聊天内容和输入文本分别为当前聊天的历史信息和当前要传送出去的聊天文本确定清空退出三个按钮分别实现发送当前聊天文本清空当前聊天文本和退出系统的功能 import java awt Font;

import java awt event ActionEvent;

import java awt event ActionListener;

import java awt event WindowEvent;

import java awt event WindowListener;

import DatagramPacket;

import DatagramSocket;

import InetAddress;

import SocketException;

import javax swing JButton;

import javax swing JFrame;

import javax swing JLabel;

import javax swing JScrollBar;

import javax swing JScrollPane;

import javax swing JTextArea;

import javax swing JTextField;

public class Frame extends JFrame implements WindowListener{

private JTextArea text;

private JTextField ipText;

private JTextField sendText;

private JButton button;

private JButton button ;

private DatagramSocket socket;

private JScrollBar vsBar;

public Frame(){

setTitle( 聊天器 );

setBounds( );

text=new JTextArea();

text setEditable(true);

setLayout(null);

JScrollPane textPanel = new JScrollPane(text);

vsBar = textPanel getVerticalScrollBar();

textPanel setBounds( );

getContentPane() add(textPanel);

JLabel label=new JLabel( 请输入对方IP );

label setFont(new Font( Font BOLD ));

label setBounds( );

getContentPane() add(label);

ipText = new JTextField();

ipText setBounds( );

getContentPane() add(ipText);

button=new JButton();

button setText( 确定 );

button setBounds( );

button setFont(new Font( Font BOLD ));

getContentPane() add(button);

button addActionListener(new send());

button =new JButton( 清空 );

button setBounds( );

button setFont(new Font( Font BOLD ));

getContentPane() add(button );

button addActionListener(new clear());

button =new JButton( 退出 );

button setBounds( );

button setFont(new Font( Font BOLD ));

getContentPane() add(button );

button addActionListener(new exit());

this addWindowListener(this);

sendText = new JTextField();

sendText setBounds( );

getContentPane() add(sendText);

//server();

pack();

setVisible(true);

}

class send implements ActionListener{

public void actionPerformed(ActionEvent e) {

try{

String ip=ipText getText();

InetAddress address=InetAddress getByName(ip);

byte[] data=sendText getText() getBytes();

DatagramPacket dp=new DatagramPacket(data data length address );

String myip=InetAddress getLocalHost() getHostAddress();

text append(myip+ :\n +sendText getText()+ \n );

socket send(dp);

sendText setText(null);

}catch(Exception e ){

System out println(e );

}

class clear implements ActionListener{

public void actionPerformed(ActionEvent e) {

text setText( );

}

class exit implements ActionListener{

public void actionPerformed(ActionEvent e) {

System exit( );

}

private void server() {

try {

socket=new DatagramSocket( );

byte[] buf=new byte[ ];

final DatagramPacket dp =new DatagramPacket(buf buf length);

Runnable runnable=new Runnable(){

public void run(){

while(true){

try{

Thread sleep( );

socket receive(dp );

String message=new String(dp getData() dp getLength());

String ip=dp getAddress() getHostAddress();

if(!InetAddress getLocalHost() getHostAddress() equals(ip))

text append(ip+ :\n +message+ \n );

}catch(Exception e){

System out println(e);

}

};

new Thread(runnable) start();

} catch (SocketException e ) {

e printStackTrace();

}

public static void main(String[] args) {

Frame frame=new Frame();

}

public void windowActivated(WindowEvent e) {