Java关闭窗体的六种方法 Post author:xfxia Post published:2023年8月23日 Post category:java 1.使用JFrame的enableEvents和processWindowEvent //Frame1.java import java.awt.*; import java.awt.event.*; import javax.swing.*; public class Frame1 extends JFrame { public Frame1() { enableEvents(AWTEvent.WINDOW_EVENT_MASK); this.setSize(new Dimension(400, 300)); this.setTitle(“Frame1”); } protected void processWindowEvent(WindowEvent e) { super.processWindowEvent(e); if (e.getID() == WindowEvent.WINDOW_CLOSING) { System.exit(0); } } } 2.直接实现WindowListener接口 //Frame1.java import java.awt.*; import java.awt.event.*; public class Frame1 extends Frame implements WindowListener { public Frame1() { this.setSize(new Dimension(400, 300)); this.setTitle(“Frame1”); this.addWindowListener(this); } public void windowClosing(WindowEvent windowEvent) { System.exit(0); } public void windowOpened(WindowEvent windowEvent) { } public void windowClosed(WindowEvent windowEvent) { } public void windowIconified(WindowEvent windowEvent) { } public void windowDeiconified(WindowEvent windowEvent) { } public void windowActivated(WindowEvent windowEvent) { } public void windowDeactivated(WindowEvent windowEvent) { } } 3.直接继承窗体适配器WindowAdapter //Frame1.java import java.awt.*; import java.awt.event.*; public class Frame1 extends WindowAdapter { public Frame1() { Frame f=new Frame(); f.setSize(new Dimension(400, 300)); f.setTitle(“Frame1”); f.addWindowListener(this); f.setVisible(true); } public static void main(String[] s){ new Frame1(); } public void windowClosing(WindowEvent windowEvent) { System.exit(0); } } 4.间接继承窗体适配器WindowAdapter //Frame1.java import java.awt.*; import java.awt.event.*; public class Frame1 extends Frame { public Frame1() { this.setSize(new Dimension(400, 300)); this.setTitle(“Frame1”); this.addWindowListener(new winAdapter()); this.setVisible(true); } public static void main(String[] s){ new Frame1(); } } class winAdapter extends WindowAdapter{ public void windowClosing(WindowEvent windowEvent) { System.exit(0); } } 5.间接实现WindowListener接口 //Frame1.java import java.awt.*; import java.awt.event.*; public class Frame1 extends Frame { public Frame1() { this.setSize(new Dimension(400, 300)); this.setTitle(“Frame1”); this.addWindowListener(new winEventHandle()); this.setVisible(true); } public static void main(String[] s){ new Frame1(); } } class winEventHandle implements WindowListener { public void windowClosing(WindowEvent windowEvent) { System.exit(0); } public void windowOpened(WindowEvent windowEvent) { } public void windowClosed(WindowEvent windowEvent) { } public void windowIconified(WindowEvent windowEvent) { } public void windowDeiconified(WindowEvent windowEvent) { } public void windowActivated(WindowEvent windowEvent) { } public void windowDeactivated(WindowEvent windowEvent) { } } 6.使用Inner Class //Frame1.java import java.awt.*; import java.awt.event.*; public class Frame1{ public Frame1(){ Frame f=new Frame(); f.addWindowListener(new WindowAdapter(){ public void windowClosing(WindowEvent e){ System.exit(0); } }); f.setSize(new Dimension(400, 300)); f.setVisible(true); } public static void main(String[] s){ new Frame1(); } } Jframe的关闭方法: setDefaultCloseOperation(EXIT_ON_CLOSE); frame的关闭方法如下: this.addWindowListener(new java.awt.event.WindowAdapter() { public void windowClosing(java.awt.event.WindowEvent e) { System.exit(0); } }); Tags: java Read more articles Previous Postjavaweb美食网站在下一篇文章java压缩json串后存入数据库_java/SpringBoot项目将json文件内容写入数据库 你可能也喜欢 java用字符串构造数字_Java自学-数字与字符串 字符串 Java基础复盘学习(一)(运算符、基本数据类型) Java课题笔记~ Ajax Java 可重入锁实现原子性自增(ReentrantLock) Java检索大文本文件_java – 在预处理的大文本文件中搜索一行 java8新特性 ————-stream 的并行流操作 java怎么倒计时_Java怎么实现倒计时功能(由秒计算天、小时、分钟、秒) org.apache.axis.AxisFault.makeFault(AxisFault.java:101)问题 java 将request中的文件以流的形式存入服务器本地 Java使用Eclipse_cdt和MinGw编写C++/java,jni的小例子 git add时出现fatal: pathspec ‘XXX.java’ did not match any files java 报 unable to find valid certification path to requested target 【java】级数求和(洛谷) Java中String的构造使用方法 Java学习笔记——Fifteen(Vector,泛型,forEach) java多态是怎样产生的_Java 的多态在 JVM 里原来是这样的 Java开发中的Memcache原理及实现 在JAVA开发环境中部署WAR包 Integer.toString(int i)方法 – Java 8 Java小技巧:利用Result处理空值和异常