• 实验十一 ,实验十二


    实验十一:

    源代码:

    package ji;

    import java.awt.Button;
    import java.awt.Color;
    import java.awt.FlowLayout;
    import java.awt.Frame;
    import java.awt.Label;
    import java.awt.TextField;
    import java.awt.event.ActionEvent;
    import java.awt.event.ActionListener;
    import java.awt.event.WindowEvent;
    import java.awt.event.WindowListener;

    import javax.swing.JFrame;

    //import 例题62.QueryFrame.WinClose;

    public class Add extends Frame{
    public static void main(String[]arg){new Add();}

    private Button button_char;//button_nui;
    public Add() {
    super("运算器");
    this.setSize(400,200);
    this.setLocation(300,240);
    this.setBackground(Color.white);
    this.setLayout(new FlowLayout());

    this.add(new TextField("10",8));
    this.add(new Label("+"));
    this.add(new TextField("20",8));
    this.button_char=new Button("=");
    this.add(this.button_char);
    this.add(new TextField(10));

    this.add(new TextField("30",8));
    this.add(new Label("-"));
    this.add(new TextField("20",8));
    this.button_char=new Button("=");
    this.add(this.button_char);
    //this.add(new Button("="));
    this.add(new TextField(10));

    this.add(new TextField("10",8));
    this.add(new Label("*"));
    this.add(new TextField("20",8));
    this.button_char=new Button("=");
    this.add(this.button_char);
    //this.add(new Button("="));
    this.add(new TextField(10));

    this.add(new TextField("10",8));
    this.add(new Label("/"));
    this.add(new TextField("2",8));
    this.button_char=new Button("=");
    this.add(this.button_char);
    //this.add(new Button("="));
    this.add(new TextField(10));

    button_char.addActionListener(new MyActionListener());

    this.setVisible(true);
    this.addWindowListener(new WinClose());
    }



    class MyActionListener implements ActionListener{
    // 事件处理方法
    @Override
    public void actionPerformed(ActionEvent e) {
    System.out.println("有人点击了按钮");
    System.out.println(((Button)e.getSource()).getLabel());}
    }

    public class WinClose implements WindowListener
    {

    @Override
    public void windowActivated(WindowEvent e) {
    // TODO Auto-generated method stub

    }
    @Override
    public void windowClosing(WindowEvent e) {
    System.exit(0);
    }
    // TODO Auto-generated method stub
    @Override
    public void windowClosed(WindowEvent e) {
    // TODO Auto-generated method stub

    }

    @Override
    public void windowDeactivated(WindowEvent e) {
    // TODO Auto-generated method stub

    }
    @Override
    public void windowDeiconified(WindowEvent e) {
    // TODO Auto-generated method stub

    }
    @Override
    public void windowIconified(WindowEvent e) {
    // TODO Auto-generated method stub

    }
    @Override
    public void windowOpened(WindowEvent e) {
    // TODO Auto-generated method stub

    }

    }}

    实验心得:

    本次实验相比上一次实验,添加了事件监听,是程序功能更加完善。

    实验十二:

    package 实验十二;
    import java.awt.FlowLayout;
    import java.awt.GridLayout;
    import javax.swing.JFrame;
    import javax.swing.JLabel;
    import javax.swing.JMenu;
    import javax.swing.JMenuItem;
    import javax.swing.JRadioButton;
    import javax.swing.JTextField;
    @SuppressWarnings("unused")
    public class Jianli{
     public static void main(String[] args) {
      JFrame jf1=new JFrame("简历");
      jf1.getContentPane().setLayout(new FlowLayout());
      jf1.getContentPane().add(new JLabel("姓名"));
      jf1.getContentPane().add(new JTextField(20));
      jf1.getContentPane().add(new JLabel("性别"));
      JRadioButton j2=new JRadioButton("女");
      jf1.add(j2);
      jf1.getContentPane().add(new JLabel(""));
      JRadioButton j21=new JRadioButton("男");
      jf1.add(j21);
      jf1.getContentPane().add(new JLabel("民族"));
      jf1.getContentPane().add(new JTextField(20));
      jf1.getContentPane().add(new JLabel("年龄"));
      jf1.getContentPane().add(new JTextField(20));
      jf1.getContentPane().add(new JLabel("专业"));
      jf1.getContentPane().add(new JLabel("从以下选择"));
      jf1.getContentPane().add(new JLabel("网络工程"));
      jf1.getContentPane().add(new JRadioButton("是"));
      jf1.getContentPane().add(new JLabel("物联网工程"));
      jf1.getContentPane().add(new JRadioButton("是"));
      jf1.getContentPane().add(new JLabel("软件工程"));
      jf1.getContentPane().add(new JRadioButton("是"));
      jf1.getContentPane().add(new JLabel("计算机科学与技术"));
      jf1.getContentPane().add(new JRadioButton("是"));
      jf1.setLayout(new GridLayout(15,2));
      jf1.setSize(400, 400);
      jf1.setVisible(true);
     }
    }

     

    实验心得:swing组件比起awt组件更加方便,不需要使用多余的事件监听。

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  • 原文地址:https://www.cnblogs.com/myb1128/p/11041352.html
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