初学java之面板布局的控制

 1 /*
 2  * 联系网格的布控laytout
 3  *以一个棋盘为列子吧！ 
 4  */
 5  import javax.swing.*;
 6 import java.awt.*;
 7  
 8  class WindGrid extends JFrame
 9  {
10      final int maxn =12;
11      GridLayout grid;  //设置一个网络对象
12      JPanel myjpanel;  //设置一个画板Jpanel
13      Label  myLabel[][] ; 
14      public WindGrid()
15      {
16          grid = new GridLayout(12,12);  //设置行列
17          myjpanel = new JPanel();
18          myjpanel.setLayout(grid);
19          myLabel = new Label [maxn][maxn]; 
20          for(int i=0;i<maxn ;i++)
21          {
22             for(int j=0 ; j<maxn ;j++)
23             {
24                 myLabel[i][j] = new Label("Gxjun");
25              //设置背景颜色
26               if((i+j)%2==0)
27                   myLabel[i][j].setBackground(Color.black);  
28               else
29                   myLabel[i][j].setBackground(Color.white);
30                 myjpanel.add(myLabel[i][j]); //将标签放置到面板上去
31             }
32          }
33          add(myjpanel,BorderLayout.CENTER);
34          //添加几个按钮
35           JButton mybutton;
36           mybutton=new JButton("北方参战国");
37           mybutton.setSize(2,3); 
38           add(mybutton,BorderLayout.NORTH);
39          
40          setTitle("国际象棋");     
41          setBounds(10,10,310,290); 
42          setVisible(true);
43          setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  //注销程序
44          validate();  //可法即可执行 
45      }
46  }
47  
48  public class test
49  {
50      public static void main(String [] args)
51      {
52          new WindGrid();
53      }
54  }