帮我看看这个GUI错在哪了 写的有些乱JPanel套了好多

Question

import java.awt.*;  
import java.util.*;
import java.lang.*;
import java.awt.event.*; 
import javax.swing.*;public class X200681010113 extends JFrame 
{
JLabel pm1,pm2,pm3,pm4,pm5,pm6;
JTextField txt1,txt2,txt3,txt4,txt5,txt6;
ButtonGroup cg;
JCheckBox cb;
JRadioButton cg1,cg2;
JPanel pl1,pl2,pl12,pl3,pl312,pl12cg,pl;
public void xuesheng()
{
pm1=new JLabel("学号");
pm2=new JLabel("姓名");
pm3=new JLabel("出生日期");
pm4=new JLabel("年");
pm5=new JLabel("月");
pm6=new JLabel("日");
txt1=new JTextField();
txt2=new JTextField();
txt3=new JTextField();
txt4=new JTextField();
txt5=new JTextField();
txt6=new JTextField();
cg=new ButtonGroup();
cg1=new JRadioButton("男");
cg2=new JRadioButton("女");
cg.add(cg1);
cg.add(cg2);
cb=new JCheckBox("是否联合培养");

pl1=new JPanel();          //把学号和姓名放到一个JPanel中(pl1)
pl1.setLayout(new GridLayout(1,2));
pl1.add(pm1);
pl1.add(pm2);

pl2=new JPanel();          //把学号和姓名后面的文本框放到一个JPanel中(pl2)
pl2.setLayout(new GridLayout(1,2));
pl2.add(txt1);
pl2.add(txt2);

pl12=new JPanel();         //把pl1和pl2放到一个JPanel中(pl12)
pl12.add(pl1,BorderLayout.WEST);
pl12.add(pl2,BorderLayout.CENTER);

pl3=new JPanel();      //布置出生日期的布局 放进一个JPanel(pl3)
pl3.setLayout(new GridLayout(1,7));
pl3.add(pm3);
pl3.add(txt3);
pl3.add(pm4);
pl3.add(txt4);
pl3.add(pm5);
pl3.add(txt5);
pl3.add(pm6);
pl3.add(txt6);

pl12cg=new JPanel();       //把pl12和出生日期的一栏放到一个JPanel中(pl12cg)
pl12cg.add(pl12,BorderLayout.CENTER);
pl12cg.add(cg,BorderLayout.SOUTH);

pl312=new JPanel();
pl312.add(p112cg,BorderLayout.CENTER);
pl312.add(p13,BorderLayout.SOUTH);

pl=new JPanel();           //把复选框和pl12cg放到一个JPanel中(pl12)
pl.add(pl312,BorderLayout.CENTER);
pl.add(cb,BorderLayout.SOUTH);

this.setVisible(true);
}

public static void main(String args[])
{
X200681010113 xs=new X200681010113();
xs.xuesheng();
}
}

Answer 1

package Address;import java.awt.*;  
import java.util.*;
import java.lang.*;
import java.awt.event.*; 
import javax.swing.*;public class X200681010113 extends JFrame 
{
    JLabel pm1,pm2,pm3,pm4,pm5,pm6;
    JTextField txt1,txt2,txt3,txt4,txt5,txt6;
    ButtonGroup cg;
    JCheckBox cb;
    JRadioButton cg1,cg2;
    JPanel pl1,pl2,pl12,pl3,pl312,pl12cg,pl;
    public void xuesheng()
    {
        pm1=new JLabel("学号");
        pm2=new JLabel("姓名");
        pm3=new JLabel("出生日期");
        pm4=new JLabel("年");
        pm5=new JLabel("月");
        pm6=new JLabel("日");
        txt1=new JTextField();
        txt2=new JTextField();
        txt3=new JTextField();
        txt4=new JTextField();
        txt5=new JTextField();
        txt6=new JTextField();
        cg=new ButtonGroup();
        cg1=new JRadioButton("男");
        cg2=new JRadioButton("女");
        cg.add(cg1);
        cg.add(cg2);
        cb=new JCheckBox("是否联合培养");
        
        pl1=new JPanel();          //把学号和姓名放到一个JPanel中(pl1)
        pl1.setLayout(new GridLayout(1,2));
        pl1.add(pm1);
        pl1.add(pm2);
        
        pl2=new JPanel();          //把学号和姓名后面的文本框放到一个JPanel中(pl2)
        pl2.setLayout(new GridLayout(1,2));
        pl2.add(txt1);
        pl2.add(txt2);
        
        pl12=new JPanel(new BorderLayout());         //把pl1和pl2放到一个JPanel中(pl12)
        pl12.add(pl1,BorderLayout.WEST);
        pl12.add(pl2,BorderLayout.CENTER);
        
        pl3=new JPanel();      //布置出生日期的布局 放进一个JPanel(pl3)
        pl3.setLayout(new GridLayout(1,7));
        pl3.add(pm3);
        pl3.add(txt3);
        pl3.add(pm4);
        pl3.add(txt4);
        pl3.add(pm5);
        pl3.add(txt5);
        pl3.add(pm6);
        pl3.add(txt6);
        
        pl12cg=new JPanel(new BorderLayout());       //把pl12和出生日期的一栏放到一个JPanel中(pl12cg)
        pl12cg.add(pl12,BorderLayout.CENTER);
        JPanel p= new JPanel();//
        p.add(cg1);//
        p.add(cg2);//
        pl12cg.add(p,BorderLayout.SOUTH);//
        
        pl312=new JPanel(new BorderLayout());
        pl312.add(pl12cg,BorderLayout.CENTER);
        pl312.add(pl3,BorderLayout.SOUTH);
        
        pl=new JPanel(new BorderLayout());           //把复选框和pl12cg放到一个JPanel中(pl12)
        pl.add(pl312,BorderLayout.CENTER);
        pl.add(cb,BorderLayout.SOUTH);
        
        this.add(pl);
        this.pack();
        this.setVisible(true);
        this.setDefaultCloseOperation(EXIT_ON_CLOSE);//
        
    }
        
    public static void main(String args[])
    {
        X200681010113 xs=new X200681010113();
        xs.xuesheng();
    }
} 
 

Answer 2

还是不对啊
是ButtonGroup的问题吧!