java實(shí)現(xiàn)窗口的代碼 java窗口代碼大全

用java做一個(gè)窗口

java做窗口的話，需要用swing技術(shù)，之后創(chuàng)建JFrame 等組件，即可完成窗口創(chuàng)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; //定義一個(gè)窗口架構(gòu)

JMenuBar mb;//定義窗口的菜單工具欄

JMenu m; //定義菜單

JMenuItem mi1;//定義菜單的內(nèi)容

JMenuItem mi2; //定義菜單的內(nèi)容

public MenuTest() {

initFrame();

initAction();

}

public void initFrame() {

frame = new JFrame();

mb = new JMenuBar();

m = new JMenu("學(xué)生查詢");

mi1 = new JMenuItem("確認(rèn)");

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

m.add(mi2);

mb.add(m);

frame.add(mb, BorderLayout.NORTH);

frame.setSize(300, 300); //設(shè)置窗口大小

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//設(shè)置退出時(shí)關(guān)閉窗口

frame.setVisible(true);//設(shè)置窗口可見(jiàn)

} public void initAction() {

mi1.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

// 具體實(shí)現(xiàn)代碼根據(jù)實(shí)際要求填寫(xiě)

System.out.println("click");

JOptionPane.showMessageDialog(null, "你點(diǎn)擊了確定按鈕");

}

});

mi2.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

// 具體實(shí)現(xiàn)代碼根據(jù)實(shí)際要求填寫(xiě)

JOptionPane.showMessageDialog(null, "你點(diǎn)擊了取消按鈕");

}

});

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

new MenuTest();//執(zhí)行菜單創(chuàng)建

}}

java編寫(xiě)有窗口界面應(yīng)用程序求代碼

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聊天窗口的實(shí)現(xiàn)

編寫(xiě)一數(shù)據(jù)報(bào)通信程序實(shí)現(xiàn)簡(jiǎn)單的聊天功能

聊天內(nèi)容和輸入文本分別為當(dāng)前聊天的歷史信息和當(dāng)前要傳送出去的聊天文本確定清空退出三個(gè)按鈕分別實(shí)現(xiàn)發(fā)送當(dāng)前聊天文本清空當(dāng)前聊天文本和退出系統(tǒng)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( 請(qǐng)輸入對(duì)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( 確定 );

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) {