两个frame之间通信

最新推荐文章于 2022-07-29 19:49:05 发布

congliu

最新推荐文章于 2022-07-29 19:49:05 发布

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本文链接：https://blog.youkuaiyun.com/congliu/article/details/425120

该博客展示了Java代码实现两个窗口Frame1和Frame2文本互读功能。代码中使用了Java的Swing库创建窗口、按钮、文本框等组件，通过事件监听处理按钮点击事件，实现了Frame1读取Frame2文本，Frame2读取Frame1文本。

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package Comm;

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

/**
* Title: 
* Description: 
* Copyright: Copyright (c) 2005
* Company: 
* @author not attributable
* @version 1.0
*/

public class Frame1 extends JFrame {
JTextArea jTextArea1 = new JTextArea();
JButton jButton1 = new JButton();
JLabel jLabel1 = new JLabel();
JButton jButton2 = new JButton();
Frame2 child;

public Frame1() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
}
public static void main(String[] args) {
    Frame1 frame1 = new Frame1();
    frame1.setVisible(true);
    frame1.show();
}
private void jbInit() throws Exception {
    jTextArea1.setText("jTextArea1");
    jButton1.setText("Make Frame 2");
    jButton1.addActionListener(new Frame1_jButton1_actionAdapter(this));
    jLabel1.setText("Frame 1");
    jButton2.setText("jButton2");
    jButton2.addActionListener(new Frame1_jButton2_actionAdapter(this));
    this.getContentPane().add(jTextArea1, BorderLayout.CENTER);
    this.getContentPane().add(jButton1, BorderLayout.WEST);
    this.getContentPane().add(jLabel1, BorderLayout.NORTH);
    this.getContentPane().add(jButton2, BorderLayout.SOUTH);
}

void jButton1_actionPerformed(ActionEvent e) {
    child=new Frame2(this);
    child.setVisible(true);
    child.show();
}

void jButton2_actionPerformed(ActionEvent e) {
this.jTextArea1.setText(child.jTextField1.getText());
}
}

class Frame1_jButton1_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;

Frame1_jButton1_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton1_actionPerformed(e);
}
}

class Frame1_jButton2_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;

Frame1_jButton2_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton2_actionPerformed(e);
}
}

------------------------------------------------------------------------------------------------------------

package Comm;

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

/**
* Title: 
* Description: 
* Copyright: Copyright (c) 2005
* Company: 
* @author not attributable
* @version 1.0
*/

public class Frame2 extends JFrame {
JLabel jLabel1 = new JLabel();
JTextField jTextField1 = new JTextField();
JButton jButton1 = new JButton();
Frame1 parent;
public Frame2(Frame1 Parent) {
    parent =Parent;
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
}

private void jbInit() throws Exception {
    jLabel1.setText("Frame 2");
    jTextField1.setText("jTextField1");
    jButton1.setText("Get Frame1 Text");
    jButton1.addActionListener(new Frame2_jButton1_actionAdapter(this));
    this.getContentPane().add(jLabel1, BorderLayout.NORTH);
    this.getContentPane().add(jTextField1, BorderLayout.CENTER);
    this.getContentPane().add(jButton1, BorderLayout.SOUTH);
}

void jButton1_actionPerformed(ActionEvent e) {
this.jTextField1.setText(parent.jTextArea1.getText() );
}
}

class Frame2_jButton1_actionAdapter implements java.awt.event.ActionListener {
Frame2 adaptee;

Frame2_jButton1_actionAdapter(Frame2 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jButton1_actionPerformed(e);
}
}
------------------------------------------------------------------------------------------------------------

运行以上的frame1 。 frame1 可以读取frame2的text， frame2也可以读取frame1的text