java swing 学习笔记一，画板Panel

/**

* 画板

*

* @time 3:38:10 PM

* @author retacn yue

* @Email zhenhuayue@sina.com

*/

public class Test_FrameWithPanel extends Frame {

private static final long serialVersionUID = 1L;

private Test_FrameWithPanel(String str) {

super(str);

}

public static void main(String[] args) {

// 初始化窗口(帧)

Test_FrameWithPanel frameWithPanel = new Test_FrameWithPanel("Frame with Panel");

// 生成画板

Panel panel = new Panel();

// 设置窗体大小

frameWithPanel.setSize(400, 300);

frameWithPanel.setLayout(null);

// 设置画板的大小

panel.setSize(200, 150);

// 设置画板颜色

panel.setBackground(Color.white);

// 设置窗体背景颜色

frameWithPanel.setBackground(Color.black);

// 设置窗体布局

frameWithPanel.add(panel);

frameWithPanel.setVisible(true);

}

}