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Frame
public class TestFrame {
public static void main(String[] args) {
//Frame
//設置彈窗標題
Frame frame = new Frame("我的第一個Java圖形界面窗口");
//設置可見性
frame.setVisible(true);
//設置彈窗大小
frame.setSize(400,400);
//設置背景顏色
frame.setBackground(Color.WHITE);
//彈出初始位置
frame.setLocation(200,200);
//設置大小固定
frame.setResizable(false);
}
}
public class TestFrame02 {
public static void main(String[] args) {
//展示多個窗口
new MyFrame(100,100,100,100,Color.blue);
new MyFrame(200,100,100,100,Color.yellow);
new MyFrame(100,200,100,100,Color.red);
new MyFrame(200,200,100,100,Color.white);
}
}
class MyFrame extends Frame {
static int id = 0; //可能存在多個窗口 需要一個計數器
public MyFrame(int x, int y, int w, int h, Color color) {
super("MyFrame" + (++id));
setVisible(true);
setBounds(x, y, w, h);
setBackground(color);
}
}
面板Panel
/**
* @Description: panel可以看成是一個空間 但不能單獨存在 解決了關閉事件
* @Date: 2020-05-17 11:37
**/
public class TestPanel {
public static void main(String[] args) {
Frame frame = new Frame();
Panel panel = new Panel();
//設置佈局
frame.setLayout(null);
frame.setBounds(200, 200, 200, 200);
frame.setBackground(new Color(40, 161, 35));
panel.setBounds(50, 50, 100, 100);
panel.setBackground(new Color(248, 0, 0));
frame.add(panel);
frame.setVisible(true);
//監聽事件 監聽窗口關閉事件 System.exit(0)
//適配器模式
frame.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
}
}
佈局管理器
- 流式佈局
- 東西南北中
- 表格佈局
/**
* @Description: 流式佈局
* @Date: 2020-05-17 11:48
**/
public class TestFlowLayout {
public static void main(String[] args) {
Frame frame = new Frame();
Button button1 = new Button("button1");
Button button2 = new Button("button2");
Button button3 = new Button("button3");
frame.setLayout(new FlowLayout());
frame.setSize(200,200);
frame.add(button1);
frame.add(button2);
frame.add(button3);
frame.setVisible(true);
}
}
/**
* @Description: 東西南北中
* @Author: wangyinghao_sx
* @Date: 2020-05-17 11:48
**/
public class TestBorderLayout {
public static void main(String[] args) {
Frame frame = new Frame();
Button east = new Button("East");
Button west = new Button("West");
Button south = new Button("South");
Button north = new Button("North");
Button center = new Button("Center");
frame.add(east,BorderLayout.EAST);
frame.add(west,BorderLayout.WEST);
frame.add(south,BorderLayout.SOUTH);
frame.add(north,BorderLayout.NORTH);
frame.add(center,BorderLayout.CENTER);
frame.setSize(200,200);
frame.setVisible(true);
}
}
/**
* @Description:表格佈局
* @Date: 2020-05-17 11:48
**/
public class TestGridLayout {
public static void main(String[] args) {
Frame frame = new Frame();
Button btn1 = new Button("btn1");
Button btn2 = new Button("btn2");
Button btn3 = new Button("btn3");
Button btn4 = new Button("btn4");
Button btn5 = new Button("btn5");
Button btn6 = new Button("btn6");
frame.setLayout(new GridLayout(3,2));
frame.add(btn1);
frame.add(btn2);
frame.add(btn3);
frame.add(btn4);
frame.add(btn5);
frame.add(btn6);
frame.setSize(200,200);
frame.pack();
frame.setVisible(true);
}
}
public class TestLayout {
public static void main(String[] args) {
Frame frame = new Frame();
frame.setBounds(100, 100, 200, 200);
frame.setBackground(Color.WHITE);
frame.setLayout(new GridLayout(2, 1));
Panel p1 = new Panel(new BorderLayout());
Panel p2 = new Panel(new GridLayout(2, 1));
Panel p3 = new Panel(new BorderLayout());
Panel p4 = new Panel(new GridLayout(2, 2));
p1.add(new Button("East-1"), BorderLayout.EAST);
p1.add(new Button("West-1"), BorderLayout.WEST);
p2.add(new Button("p2-1"));
p2.add(new Button("p2-2"));
p1.add(p2, BorderLayout.CENTER);
p3.add(new Button("East-2"), BorderLayout.EAST);
p3.add(new Button("West-2"), BorderLayout.WEST);
for (int i = 0; i < 4; i++) {
p4.add(new Button("p4-" + i + 1));
}
p3.add(p4, BorderLayout.CENTER);
frame.add(p1);
frame.add(p3);
frame.setVisible(true);
frame.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
}
}
總結:
- Frame是一個頂級窗口
- Panel無法單獨顯示,必須添加到某個容器中
- 佈局管理器
- 流式佈局
- 東西南北中
- 表格
- 大小 定位 背景顏色 可見性 監聽