package huarongdao;
import java.awt.*; //包含用于建立用户界面和绘制图形和图像的全部类
import javax.swing.*; //提供了一组丰富的库来用平台独立的方式建立图形用户界面
import java.awt.event.*; //提供处理由 AWT 组件所激发的各种事件的接口和类
public class Hua_Rong_Road extends JFrame implements MouseListener, KeyListener, ActionListener { //继承JFrame类和Mouse、Key、Action监视器的接口
Person person[] = new Person[10]; //建立10个Person类对象
JButton left, right, above, below; //建立4个按钮以设置边框
JButton restart = new JButton("从新开始");
public Hua_Rong_Road() {
init();
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); //设置程序关闭时的行为
setBounds(100, 100, 320, 500); //设置程序的位置和大小
setVisible(true); //设置为可视窗口
validate(); //确保组件具备有效的布局
}
public void init() {
setLayout(null); //设置布局为空布局
add(restart); //将restart按钮增长到容器
restart.setBounds(100, 320, 120, 35);
restart.addActionListener(this);
String name[] = {"曹操", "关羽", "张", "刘", "周", "黄", "兵", "兵", "兵", "兵"};
for (int k = 0; k < name.length; k++) {
person[k] = new Person(k, name[k]);
person[k].addMouseListener(this); //为每一个对象添加鼠标和键盘监视器
person[k].addKeyListener(this);
add(person[k]);
}
person[0].setBounds(104, 54, 100, 100); //设置每一个棋子的位置和大小
person[1].setBounds(104, 154, 100, 50);
person[2].setBounds(54, 154, 50, 100);
person[3].setBounds(204, 154, 50, 100);
person[4].setBounds(54, 54, 50, 100);
person[5].setBounds(204, 54, 50, 100);
person[6].setBounds(54, 254, 50, 50);
person[7].setBounds(204, 254, 50, 50);
person[8].setBounds(104, 204, 50, 50);
person[9].setBounds(154, 204, 50, 50);
person[9].requestFocus(); //person[9]获取焦点
left = new JButton();
right = new JButton();
above = new JButton();
below = new JButton();
add(left);
add(right);
add(above);
add(below);
left.setBounds(49, 49, 5, 260);
right.setBounds(254, 49, 5, 260);
above.setBounds(49, 49, 210, 5);
below.setBounds(49, 304, 210, 5);
validate();
}
public void keyTyped(KeyEvent e) { //重写全部抽象类的方法
}
public void keyReleased(KeyEvent e) {
}
public void keyPressed(KeyEvent e) { //当用户按下键盘的方向键时将调用相应的go函数
Person man = (Person) e.getSource(); //getSource()函数返回的是事件源的Object对象，故用强制转换
if (e.getKeyCode() == KeyEvent.VK_DOWN)
go(man, below);
if (e.getKeyCode() == KeyEvent.VK_UP)
go(man, above);
if (e.getKeyCode() == KeyEvent.VK_LEFT)
go(man, left);
if (e.getKeyCode() == KeyEvent.VK_RIGHT)
go(man, right);
}
public void mousePressed(MouseEvent e) { //当用户点击按钮的时候会进行判断并调用知足条件的go函数。
Person man = (Person) e.getSource();
int x = -1, y = -1;
x = e.getX(); //获取事件源的坐标及大小
y = e.getY();
int w = man.getBounds().width;
int h = man.getBounds().height;
if (y > h / 2)
go(man, below);
if (y < h / 2)
go(man, above);
if (x < w / 2)
go(man, left);
if (x > w / 2)
go(man, right);
}
public void mouseReleased(MouseEvent e) {
}
public void mouseEntered(MouseEvent e) {
}
public void mouseExited(MouseEvent e) {
}
public void mouseClicked(MouseEvent e) {
}
public void go(Person man, JButton direction) {
boolean move = true;
Rectangle manRect = man.getBounds();
int x = man.getBounds().x;
int y = man.getBounds().y;
if (direction == below) //判断direction的值并对坐标进行调整
y = y + 50;
else if (direction == above)
y = y - 50;
else if (direction == left)
x = x - 50;
else if (direction == right)
x = x + 50;
manRect.setLocation(x, y);
Rectangle directionRect = direction.getBounds();
for (int k = 0; k < 10; k++) { //循环判断是否有发生碰撞
Rectangle personRect = person[k].getBounds();
if ((manRect.intersects(personRect)) && (man.number != k)) //若是被选中按钮与其余妻子发生碰撞，则move被设置为false
move = false;
}
if (manRect.intersects(directionRect)) //若是被选中按钮与边框发生碰撞，则move被设置为false
move = false;
if (move == true) //若是move为true，则将被选中窗口设置为新坐标
man.setLocation(x, y);
}
public void actionPerformed(ActionEvent e) {
dispose(); //当按钮组件被选中时将原来的窗口释放并建立新的窗口
new Hua_Rong_Road();
}
}
package huarongdao;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Person extends JButton implements FocusListener { //继承JButton类和Focus监视器接口
int number;
Color c = new Color(255, 245, 170);
Font font = new Font("宋体", Font.BOLD, 12);
Person(int number, String s) {
super(s); //调用JButton的构造函数并将内容设置为s
setBackground(c);
setFont(font);
this.number = number;
c = getBackground();
addFocusListener(this); //为对象自己调用一个焦点监视器
}
public void focusGained(FocusEvent e) {
setBackground(Color.red);
} //当按钮被选中时背景颜色变红
public void focusLost(FocusEvent e) {
setBackground(c);
} //当按钮失去焦点时背景颜色变回c
}
