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提交 7d9dc5c8 编写于 作者: 御 御承扬
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src/Swing程序设计/FocusEventTest.java 0 → 100644
浏览文件 @ 7d9dc5c8
package Swing程序设计;
// !/usr/bin/env jdk1.8
// encoding:utf-8
//@software:IntelliJ IDEA
//@pack:Swing程序设计
//@user:彭友聪
//@date:2019/6/24
//@time:17:21
//@project:IDEA_JAVA
//@file:FocusEventTest.java
//Author:御承扬
//email:2923616405@qq.com
import javax.swing.*;
import java.awt.*;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
public class FocusEventTest extends JFrame {
private FocusEventTest(){
setLayout(null);
setBounds(100, 20, 500, 150);
setVisible(true);
setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
Container cp = getContentPane();
JTextField jt1 = new JTextField("请单击其他文本框",10);
JTextField jt2 = new JTextField("请单击我！",10);
jt1.setBounds(10,10,200,30);
jt2.setBounds(10,50,200,30);
jt1.setVisible(true);
jt2.setVisible(true);
cp.add(jt1);
cp.add(jt2);
jt1.addFocusListener(new FocusListener() {
@Override
public void focusGained(FocusEvent e) {
jt2.setText("另外一个文本框获得了焦点");
}
@Override
public void focusLost(FocusEvent e) {
jt2.setText("另外一个文本框失去了焦点");
JOptionPane.showMessageDialog(null,"文本框失去焦点");
}
});
}
public static void main(String[] args) {
new FocusEventTest();
}
}
src/高级事件处理/KeyBoard.java 0 → 100644
浏览文件 @ 7d9dc5c8
package 高级事件处理;
// !/usr/bin/env jdk1.8
// encoding:utf-8
//@software:IntelliJ IDEA
//@pack:高级事件处理
//@user:彭友聪
//@date:2019/6/24
//@time:19:57
//@project:IDEA_JAVA
//@file:KeyBoard.java
//Author:御承扬
//email:2923616405@qq.com
import javax.swing.*;
import javax.swing.border.EmptyBorder;
import javax.swing.border.TitledBorder;
import java.awt.*;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.util.*;
/**
* 虚拟键盘(键盘的按下与释放)
*/
public class KeyBoard extends JFrame {
private Color green = Color.GREEN;//定义Color对象，用来表示按下键的颜色
private Color white = Color.WHITE;//定义Color对象，用来表示释放键的颜色
// 定义一个集合用来存储所有的按键ID
private ArrayList<JButton> btns = new ArrayList<JButton>();
// 自定义一个方法，用来将容器中的所有 JButton 组件添加到集合中
private void addButtons() {
for (Component cmp : getComponents()) { // 遍历面板中所有的组件
if (cmp instanceof JButton) {
btns.add((JButton) cmp);
}
}
}
private KeyBoard() {
setTitle("虚拟按键（模拟按键的按下和释放）");
setResizable(false); // 不可改变窗体的宽高
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 548, 280);
/*
* 创建JPanel面板contentPane置于JFrame窗体中，并设置面板的背景色、边距和布局
*/
//声明窗体中的成员组件
JPanel contentPane = new JPanel();
contentPane.setBackground(Color.WHITE);
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
contentPane.setLayout(null);
/*
* 创建 26 个字母对应的按键并置于面板contentPane中，设置按钮的背景色、位置、宽高以及按钮中的字体位置、内容、样式
*/
JButton btnQ = new JButton("Q");
btnQ.setBackground(white);
btnQ.setVerticalAlignment(SwingConstants.TOP);
btnQ.setHorizontalAlignment(SwingConstants.LEADING);
btnQ.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnQ.setBounds(0, 60, 47, 45);
contentPane.add(btnQ);
JButton btnW = new JButton("W");
btnW.setBackground(white);
btnW.setVerticalAlignment(SwingConstants.TOP);
btnW.setHorizontalAlignment(SwingConstants.LEADING);
btnW.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnW.setBounds(55, 60, 49, 45);
contentPane.add(btnW);
JButton btnE = new JButton("E");
btnE.setBackground(white);
btnE.setVerticalAlignment(SwingConstants.TOP);
btnE.setHorizontalAlignment(SwingConstants.LEADING);
btnE.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnE.setBounds(110, 60, 45, 45);
contentPane.add(btnE);
JButton btnR = new JButton("R");
btnR.setBackground(white);
btnR.setVerticalAlignment(SwingConstants.TOP);
btnR.setHorizontalAlignment(SwingConstants.LEADING);
btnR.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnR.setBounds(165, 60, 45, 45);
contentPane.add(btnR);
JButton btnF = new JButton("F");
btnF.setBackground(white);
btnF.setVerticalAlignment(SwingConstants.TOP);
btnF.setHorizontalAlignment(SwingConstants.LEADING);
btnF.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnF.setBounds(195, 125, 45, 45);
contentPane.add(btnF);
JButton btnD = new JButton("D");
btnD.setBackground(white);
btnD.setVerticalAlignment(SwingConstants.TOP);
btnD.setHorizontalAlignment(SwingConstants.LEADING);
btnD.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnD.setBounds(137, 125, 45, 45);
contentPane.add(btnD);
JButton btnT = new JButton("T");
btnT.setVerticalAlignment(SwingConstants.TOP);
btnT.setHorizontalAlignment(SwingConstants.LEADING);
btnT.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnT.setBackground(white);
btnT.setBounds(220, 60, 45, 45);
contentPane.add(btnT);
JButton btnY = new JButton("Y");
btnY.setVerticalAlignment(SwingConstants.TOP);
btnY.setHorizontalAlignment(SwingConstants.LEADING);
btnY.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnY.setBackground(white);
btnY.setBounds(275, 60, 45, 45);
contentPane.add(btnY);
JButton btnU = new JButton("U");
btnU.setVerticalAlignment(SwingConstants.TOP);
btnU.setHorizontalAlignment(SwingConstants.LEADING);
btnU.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnU.setBackground(white);
btnU.setBounds(330, 60, 45, 45);
contentPane.add(btnU);
JButton btnI = new JButton("I");
btnI.setVerticalAlignment(SwingConstants.TOP);
btnI.setHorizontalAlignment(SwingConstants.LEADING);
btnI.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnI.setBackground(white);
btnI.setBounds(385, 60, 45, 45);
contentPane.add(btnI);
JButton btnO = new JButton("O");
btnO.setVerticalAlignment(SwingConstants.TOP);
btnO.setHorizontalAlignment(SwingConstants.LEADING);
btnO.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnO.setBackground(white);
btnO.setBounds(440, 60, 46, 45);
contentPane.add(btnO);
JButton btnP = new JButton("P");
btnP.setVerticalAlignment(SwingConstants.TOP);
btnP.setHorizontalAlignment(SwingConstants.LEADING);
btnP.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnP.setBackground(white);
btnP.setBounds(495, 60, 45, 45);
contentPane.add(btnP);
JButton btnA = new JButton("A");
btnA.setVerticalAlignment(SwingConstants.TOP);
btnA.setHorizontalAlignment(SwingConstants.LEADING);
btnA.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnA.setBackground(white);
btnA.setBounds(23, 125, 45, 45);
contentPane.add(btnA);
JButton btnS = new JButton("S");
btnS.setVerticalAlignment(SwingConstants.TOP);
btnS.setHorizontalAlignment(SwingConstants.LEADING);
btnS.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnS.setBackground(white);
btnS.setBounds(82, 125, 45, 45);
contentPane.add(btnS);
JButton btnG = new JButton("G");
btnG.setVerticalAlignment(SwingConstants.TOP);
btnG.setHorizontalAlignment(SwingConstants.LEADING);
btnG.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnG.setBackground(white);
btnG.setBounds(251, 125, 45, 45);
contentPane.add(btnG);
JButton btnH = new JButton("H");
btnH.setVerticalAlignment(SwingConstants.TOP);
btnH.setHorizontalAlignment(SwingConstants.LEADING);
btnH.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnH.setBackground(white);
btnH.setBounds(306, 125, 45, 45);
contentPane.add(btnH);
JButton btnJ = new JButton("J");
btnJ.setVerticalAlignment(SwingConstants.TOP);
btnJ.setHorizontalAlignment(SwingConstants.LEADING);
btnJ.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnJ.setBackground(white);
btnJ.setBounds(361, 125, 45, 45);
contentPane.add(btnJ);
JButton btnK = new JButton("K");
btnK.setVerticalAlignment(SwingConstants.TOP);
btnK.setHorizontalAlignment(SwingConstants.LEADING);
btnK.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnK.setBackground(white);
btnK.setBounds(416, 125, 47, 45);
contentPane.add(btnK);
JButton btnL = new JButton("L");
btnL.setVerticalAlignment(SwingConstants.TOP);
btnL.setHorizontalAlignment(SwingConstants.LEADING);
btnL.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnL.setBackground(white);
btnL.setBounds(471, 125, 45, 45);
contentPane.add(btnL);
JButton btnZ = new JButton("Z");
btnZ.setVerticalAlignment(SwingConstants.TOP);
btnZ.setHorizontalAlignment(SwingConstants.LEADING);
btnZ.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnZ.setBackground(white);
btnZ.setBounds(39, 190, 45, 45);
contentPane.add(btnZ);
JButton btnX = new JButton("X");
btnX.setVerticalAlignment(SwingConstants.TOP);
btnX.setHorizontalAlignment(SwingConstants.LEADING);
btnX.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnX.setBackground(white);
btnX.setBounds(107, 190, 45, 45);
contentPane.add(btnX);
JButton btnC = new JButton("C");
btnC.setVerticalAlignment(SwingConstants.TOP);
btnC.setHorizontalAlignment(SwingConstants.LEADING);
btnC.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnC.setBackground(white);
btnC.setBounds(178, 190, 45, 45);
contentPane.add(btnC);
JButton btnV = new JButton("V");
btnV.setVerticalAlignment(SwingConstants.TOP);
btnV.setHorizontalAlignment(SwingConstants.LEADING);
btnV.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnV.setBackground(white);
btnV.setBounds(250, 190, 45, 45);
contentPane.add(btnV);
JButton btnB = new JButton("B");
btnB.setVerticalAlignment(SwingConstants.TOP);
btnB.setHorizontalAlignment(SwingConstants.LEADING);
btnB.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnB.setBackground(white);
btnB.setBounds(315, 190, 45, 45);
contentPane.add(btnB);
JButton btnN = new JButton("N");
btnN.setVerticalAlignment(SwingConstants.TOP);
btnN.setHorizontalAlignment(SwingConstants.LEADING);
btnN.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnN.setBackground(white);
btnN.setBounds(382, 190, 47, 45);
contentPane.add(btnN);
JButton btnM = new JButton("M");
btnM.setVerticalAlignment(SwingConstants.TOP);
btnM.setHorizontalAlignment(SwingConstants.LEADING);
btnM.setFont(new Font("Times New Roman", Font.PLAIN, 16));
btnM.setBackground(white);
btnM.setBounds(449, 190, 48, 45);
contentPane.add(btnM);
/*
* 创建面板panel置于面板contentPane中，设置面板panel的位置、宽高、TitledBorder、背景色以及布局方式（边界布局）
*/
JPanel panel = new JPanel();
panel.setBorder(new TitledBorder(null, "文本显示区", TitledBorder.LEADING, TitledBorder.TOP, null, null));
panel.setBackground(Color.WHITE);
panel.setBounds(0, 0, 540, 45);
contentPane.add(panel);
panel.setLayout(new BorderLayout(0, 0));
/*
* 创建文本框textField置于面板panel的中间
*/
JTextField textField ;
textField = new JTextField();
textField.addKeyListener(new KeyAdapter() { //文本框添加键盘事件的监听
char word;
@Override
public void keyPressed(KeyEvent e) { //按键被按下时被触发
word=e.getKeyChar();//获取按下键表示的字符
for(int i=0;i<btns.size();i++){//遍历存储按键ID的ArrayList集合
//判断按键是否与遍历到的按键的文本相同
if(String.valueOf(word).equalsIgnoreCase(btns.get(i).getText())){
btns.get(i).setBackground(green);//将指定按键颜色设置为绿色
}
}
}
@Override
public void keyReleased(KeyEvent e) { //按键被释放时被触发
word=e.getKeyChar();//获取释放键表示的字符
for(int i=0;i<btns.size();i++){//遍历存储按键ID的ArrayList集合
//判断按键是否与遍历到的按键的文本相同
if(String.valueOf(word).equalsIgnoreCase(btns.get(i).getText())){
btns.get(i).setBackground(white);//将指定按键颜色设置为白色
}
}
}
@Override
public void keyTyped(KeyEvent e){
word=e.getKeyChar();//获取按下键表示的字符
for(int i=0;i<btns.size();i++){//遍历存储按键ID的ArrayList集合
//判断按键是否与遍历到的按键的文本相同
if(String.valueOf(word).equalsIgnoreCase(btns.get(i).getText())){
btns.get(i).setBackground(green);//将指定按键颜色设置为绿色
}
}
}
});
panel.add(textField, BorderLayout.CENTER);
textField.setColumns(10);
}
public static void main(String[] args) {
EventQueue.invokeLater(() -> {
try {
KeyBoard frame = new KeyBoard();
frame.addButtons(); // 初始化存储所有按键的集合
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
});
}
}
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