dingpython的博客

长任务,显示进度条 package my; import java.awt.Container; import java.awt.FlowLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; public class Swing2 { private static void createGUI() { // JFrame指一个窗口，构造方法的参数为窗口标题 //

文件复制 package my; import java.io.File; public class Test { public static void main(String[] args) { // Win10下，不能在根目录下直接创建文件 File srcFile = new File("/Users/ding/Desktop/11.zip"); File dstFile = new File("/Users/ding/Desktop/2.zip"); try {

事件循环 package my; import java.awt.Container; import java.awt.FlowLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; public class Swing2 { private static void createGUI() { // JFrame指一个窗口，构造方法的参数为窗口标题 // 语法：因为

PieChat显示 package my; import javax.swing.*; public class Swing2 { private static void createGUI() { // JFrame指一个窗口，构造方法的参数为窗口标题 // 语法：因为MyFrame是JFrame的子类，所以可以这么写 JFrame frame = new MyFrame("Swing Demo"); frame.setDefaultCloseOperation(JFrame.E

自定义控件 package my; import javax.swing.*; public class Swing2 { public static void main(String[] args) { javax.swing.SwingUtilities.invokeLater(new Runnable() { @Override public void run() { createGUI();

文本绘制示例 package my; import javax.swing.*; public class Swing2 { public static void main(String[] args) { javax.swing.SwingUtilities.invokeLater(new Runnable() { @Override public void run() { createGUI()

高级绘制 import javax.swing.*; public class Swing2 { public static void main(String[] args) { javax.swing.SwingUtilities.invokeLater(new Runnable() { @Override public void run() { createGUI(); }