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JWindowDemo.java
Package: Jindutiao.rar [view]
Upload User: hang318
Upload Date: 2021-05-07
Package Size: 41k
Code Size: 2k
Category:
StatusBar
Development Platform:
Java
- package com.ata.wx;
- import javax.swing.*;
- import java.awt.*;
- import java.net.*;
- //程序启动界面
- public class JWindowDemo extends JWindow implements Runnable {
- Thread splashThread; //进度条更新线程
- JProgressBar progress; //进度条
- public JWindowDemo() {
- Container container=getContentPane(); //得到容器
- setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR)); //设置光标
- URL url = getClass().getResource("login.jpg"); //图片的位置
- if(url != null){
- container.add(new JLabel(new ImageIcon(url)),BorderLayout.CENTER); //增加图片
- }
- progress = new JProgressBar(1,100); //实例化进度条
- progress.setStringPainted(true); //描绘文字
- progress.setString("加载程序中,请稍候......"); //设置显示文字
- progress.setBackground(Color.white); //设置背景色
- container.add(progress,BorderLayout.SOUTH); //增加进度条到容器上
- Dimension screen = getToolkit().getScreenSize(); //得到屏幕尺寸
- pack(); //窗口适应组件尺寸
- setLocation((screen.width-getSize().width)/2,(screen.height-getSize().height)/2); //设置窗口位置
- }
- public void start(){
- this.toFront(); //窗口前端显示
- splashThread=new Thread(this); //实例化线程
- splashThread.start(); //开始运行线程
- }
- public void run(){
- setVisible(true); //显示窗口
- try {
- for (int i=0;i<100;i++ ){
- Thread.sleep(100); //线程休眠
- progress.setValue(progress.getValue()); //设置进度条值
- }
- }
- catch (Exception ex) {
- ex.printStackTrace();
- }
- dispose(); //释放窗口
- showFrame(); //运行主程序
- }
- static void showFrame(){
- JFrame frame = new JFrame("程序启动界面演示"); //实例化JFrame对象
- frame.setSize(300,200); //设置窗口尺寸
- frame.setVisible(true); //窗口可视
- frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //关闭窗口时退出程序
- }
- public static void main(String[] args) {
- JWindowDemo splash = new JWindowDemo();
- splash.start(); //运行启动界面
- }
- }