Java的GridBagLayuot布局管理器如何使用？？？？？

直接用呗。

GridLayout（x，y），x表示一行最多放几个，y表示最多有几行。也就是x表示列数，y表示行数。当x或者y不需要限制的话，直接写0就好。下面是代码表示的布局。

我给你个例子,你运行一下,然后,照着写你的布局管理器,就可以了.

import java.awt.Container;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import javax.swing.JButton;
import javax.swing.JFrame;
public class GridBagLayout_1 extends JFrame {
 private static final long serialVersionUID = 5558640733909970067L;
 public GridBagLayout_1() {
  Container container = getContentPane();
  GridBagLayout gridBagLayout = new GridBagLayout();
  container.setLayout(gridBagLayout);
  JButton button = new JButton("A");
  GridBagConstraints gridBagConstraints = new GridBagConstraints();
  gridBagConstraints.gridx = 0;
  gridBagConstraints.gridy = 0;
  gridBagConstraints.weightx = 10;
  gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;
  container.add(button, gridBagConstraints);
  JButton button_1 = new JButton("B");
  GridBagConstraints gridBagConstraints_1 = new GridBagConstraints();
  gridBagConstraints_1.gridx = 1;
  gridBagConstraints_1.gridy = 0;
  gridBagConstraints_1.insets = new Insets(0, 5, 0, 0);
  gridBagConstraints_1.weightx = 20;
  gridBagConstraints_1.fill = GridBagConstraints.HORIZONTAL;
  container.add(button_1, gridBagConstraints_1);
  JButton button_2 = new JButton("C");
  GridBagConstraints gridBagConstraints_2 = new GridBagConstraints();
  gridBagConstraints_2.gridx = 2;
  gridBagConstraints_2.gridy = 0;
  gridBagConstraints_2.gridheight = 2;
  gridBagConstraints_2.insets = new Insets(0, 5, 0, 0);
  gridBagConstraints_2.weightx = 30;
  gridBagConstraints_2.fill = GridBagConstraints.BOTH;
  container.add(button_2, gridBagConstraints_2);
  JButton button_3 = new JButton("D");
  GridBagConstraints gridBagConstraints_3 = new GridBagConstraints();
  gridBagConstraints_3.gridx = 3;
  gridBagConstraints_3.gridy = 0;
  gridBagConstraints_3.gridheight = 4;
  gridBagConstraints_3.insets = new Insets(0, 5, 5, 5);
  gridBagConstraints_3.weightx = 40;
  gridBagConstraints_3.fill = GridBagConstraints.VERTICAL;
  container.add(button_3, gridBagConstraints_3);
  JButton button_4 = new JButton("E");
  GridBagConstraints gridBagConstraints_4 = new GridBagConstraints();
  gridBagConstraints_4.gridx = 0;
  gridBagConstraints_4.gridy = 1;
  gridBagConstraints_4.gridwidth = 2;
  gridBagConstraints_4.insets = new Insets(5, 0, 0, 0);
  gridBagConstraints_4.fill = GridBagConstraints.HORIZONTAL;
  container.add(button_4, gridBagConstraints_4);
  JButton button_5 = new JButton("F");
  GridBagConstraints gridBagConstraints_5 = new GridBagConstraints();
  gridBagConstraints_5.gridx = 0;
  gridBagConstraints_5.gridy = 2;
  gridBagConstraints_5.gridwidth = 1;
  gridBagConstraints_5.insets = new Insets(5, 0, 0, 0);
  gridBagConstraints_5.fill = GridBagConstraints.HORIZONTAL;
  container.add(button_5, gridBagConstraints_5);
  JButton button_6 = new JButton("G");
  GridBagConstraints gridBagConstraints_6 = new GridBagConstraints();
  gridBagConstraints_6.gridx = 1;
  gridBagConstraints_6.gridy = 2;
  gridBagConstraints_6.gridwidth = 2;
  gridBagConstraints_6.gridheight = 2;
  gridBagConstraints_6.insets = new Insets(5, 5, 0, 0);
  gridBagConstraints_6.fill = GridBagConstraints.NONE;
  gridBagConstraints_6.anchor = GridBagConstraints.NORTHEAST;
  gridBagConstraints_6.ipadx = 30;
  container.add(button_6, gridBagConstraints_6);
  JButton button_7 = new JButton("H");
  GridBagConstraints gridBagConstraints_7 = new GridBagConstraints();
  gridBagConstraints_7.gridx = 0;
  gridBagConstraints_7.gridy = 3;
  gridBagConstraints_7.insets = new Insets(5, 0, 5, 0);
  gridBagConstraints_7.fill = GridBagConstraints.BOTH;
  container.add(button_7, gridBagConstraints_7);
 }
 public static void main(String[] args) {
  GridBagLayout_1 frame = new GridBagLayout_1();
  frame.setTitle("使用网格组布局管理器");
  frame.setVisible(true);
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  frame.pack();
 }
}