·您的位置: 首页 » 资源教程 » 编程开发 » JAVA、JSP » WINDOWS中双击JAR文件即可运行写法

WINDOWS中双击JAR文件即可运行写法

类别: JSP教程  评论数:0 总得分:0
下面通过一个例子来说明,这个例子包括2个java文件和一个mf文件:

文件1:Frame1.java

package testjar;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class Frame1 extends JFrame {
JPanel contentPane;
BorderLayout borderLayout1 = new BorderLayout();

//Construct the frame
public Frame1() {
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
try {
jbInit();
}
catch(Exception e) {
e.printStackTrace();
}
}

//Component initialization
private void jbInit() throws Exception {
contentPane = (JPanel) this.getContentPane();
contentPane.setLayout(borderLayout1);
this.setSize(new Dimension(400, 300));
this.setTitle("Frame Title");
}

//Overridden so we can exit when window is closed
protected void processWindowEvent(WindowEvent e) {
super.processWindowEvent(e);
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
System.exit(0);
}
}
}

文件2:App.java

package testjar;

import javax.swing.UIManager;
import java.awt.*;

public class App {
boolean packFrame = false;

//Construct the application
public App() {
Frame1 frame = new Frame1();
//Validate frames that have preset sizes
//Pack frames that have useful preferred size info, e.g. from their layout
if (packFrame) {
frame.pack();
}
else {
frame.validate();
}
//Center the window
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize = frame.getSize();
if (frameSize.height > screenSize.height) {
frameSize.height = screenSize.height;
}
if (frameSize.width > screenSize.width) {
frameSize.width = screenSize.width;
}
frame.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
frame.setVisible(true);
}

//Main method
public static void main(String[] args) {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}
catch(Exception e) {
e.printStackTrace();
}
new App();
}
}

文件3:manif.mf

Main-Class: testjar.App

复制上述的三个文件到一个目录中,用命令行进入这个目录并执行 javac -d . *.java,此时会编译生成class文件,然后执行 jar -cvfm te.jar manif.mf testjar,应该回生成一个名为te.jar的jar文件,双击它,就可以看到效果了!
-= 资 源 教 程 =-
文 章 搜 索
关键词:
类型:
范围:

纯粹空间 softpure.com
Copyright © 2006-2012 暖阳制作 版权所有
承接程序设计 网页设计
QQ: 15242663 (隐身在线 拒绝闲聊)  Email: faisun@sina.com

 纯粹空间 - 韩国酷站|酷站欣赏|教程大全|资源下载|免费博客|美女壁纸|设计素材|技术论坛  

百度搜索 谷歌搜索 Alexa搜索 | 粤ICP备19116064号-1