关于Java中GUI编程记录

import java.awt.BorderLayout;import java.awt.FlowLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JTextField;public class WdFrame extends JFrame{//WdFrame作为一个窗口类，可以将组件当作属性，再用方法调用public JTextField T1 = new JTextField(10);public JTextField T2 = new JTextField(10);public JTextField T3 = new JTextField(10);public JButton B1 = new JButton("求和");public WdFrame(String name){       //构造方法，给窗口添加名字super(name);}public void init(){                //调用方法，可以将组件添加、修改窗口、对按钮添加监听等操作    this.setSize(400,100);this.setLayout(new FlowLayout());this.add(T1);this.add(T2);this.add(T3);this.add(B1);this.setVisible(true);B1.addActionListener(new ActionListener(){public void actionPerformed( ActionEvent event ) //对按钮进行监听{ T3.setText(String.valueOf(Integer.parseInt(T1.getText())+Integer.parseInt(T2.getText())));}});}public static void main(String[] args) {       //主函数WdFrame f = new WdFrame("我的窗口");     //建立一个自己定义的窗口f.init();                     //对窗口进行初始化，完善窗口}}