关于JTabeedPane中多个JPane的显示问题

Question

对于这种UI,楼主是不是都是手工写代码添加的的?
如果是的话,强烈建议使用JBuilder来做.
如果不是的话,建议不要使用XY或Null Layout

Answer 1

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
import java.util.*;
import java.io.*;
import java.util.Date;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.net.*;
//<Applet code=Change1.class height=300 width=300 ></applet>
public class Change1 extends JApplet implements Runnable
{
JRadioButton man,woman;
ButtonGroup bg;
Label label_userID1 = new Label("用户名：  ");
Label label_userPassword1 = new Label("密码：  ");
JTextField text_userID1 = new JTextField(15);
JPasswordField text_userPassword1 = new JPasswordField(15);
JButton button_ok1 = new JButton("登入");
JButton button_register1 = new JButton("注册");
Label label_userID2 = new Label("用户名:");
Label label_userPassword2 = new Label("输入密码:");
Label label_userPasswordAgain2 = new Label("确认密码:");
Label label_userName2 = new Label("真实姓名:");
Label label_userSex2 = new Label("选择性别:");
Label label_userEmail2 = new Label("E-Mail:");
Label label_userAddress2 = new Label("联系地址:");
Label label_userZipcode2 = new Label("邮政编码:");
Label label_userCreditCardType2 = new Label("信用卡类型:");
Label label_userCreditCardNo2 = new Label("信用卡号码:");
Label label_userPersonCardType2 = new Label("证件类型:");
Label label_userPersonCardNo2 = new Label("证件号码:");
JTextField text_userID2 = new JTextField(15);
JPasswordField text_userPassword2 = new JPasswordField(15);
JPasswordField text_userPasswordAgain2 = new JPasswordField(15);
JTextField text_userName2 = new JTextField(15);
JTextField text_userEmail2 = new JTextField(15);
JTextField text_userAddress2 = new JTextField(15);
JTextField text_userZipcode2 = new JTextField(15);
JTextField text_userCreditCardNo2 = new JTextField(15);
JTextField text_userPersonCardNo2 = new JTextField(15);
JButton button_ok2 = new JButton("注册");
JButton button_register2 = new JButton("清空");
JComboBox combo_userCreditCardType,combo_userPersonCardType;
GridBagLayout gbl = new GridBagLayout();
GridBagConstraints gbc = new GridBagConstraints(); Thread datimeThread; Date date; GregorianCalendar calendar; String strDate,strTime,strStatus;
String personSex,userPersonType2;
JTabbedPane tabbedPane;
JPanel toy,orders,accept,register;
接下面的：

Answer 2

接上面：
public void init()
{
tabbedPane=new JTabbedPane();
accept=new JPanel();
tabbedPane.addTab("登录",null,accept);
register=new JPanel();
tabbedPane.addTab("注册",null,register);
toy=new JPanel();
tabbedPane.addTab("玩具展区",null,toy,"快来看看哦!");
orders=new JPanel();
tabbedPane.addTab("订购",null,orders,"快来买东西噢!");
getContentPane().add(tabbedPane);
tabbedPane.setEnabledAt(1,false);
tabbedPane.setEnabledAt(3,false);
accept.setLayout(gbl);
gbc.gridx=0;
gbc.gridy=0;
gbc.anchor=GridBagConstraints.WEST;
gbl.setConstraints(label_userID1,gbc);
accept.add(label_userID1);
gbc.gridx=1;
gbc.gridy=0;
gbc.anchor=GridBagConstraints.WEST;
gbl.setConstraints(text_userID1,gbc);
accept.add(text_userID1);
gbc.gridx=0;
gbc.gridy=1;
gbc.anchor=GridBagConstraints.WEST;
gbl.setConstraints(label_userPassword1,gbc);
accept.add(label_userPassword1);
gbc.gridx=1;
gbc.gridy=1;
gbc.anchor=GridBagConstraints.WEST;
gbl.setConstraints(text_userPassword1,gbc);
accept.add(text_userPassword1);
gbc.gridx=1;
gbc.gridy=2;
gbc.anchor=GridBagConstraints.CENTER;
gbl.setConstraints(button_ok1,gbc);
accept.add(button_ok1);
validateAction validateButton3 = new validateAction();
button_ok1.addActionListener(validateButton3);
gbc.gridx=1;
gbc.gridy=2;
gbc.anchor=GridBagConstraints.EAST;
gbl.setConstraints(button_register1,gbc);
accept.add(button_register1);
validateAction validateButton4 = new validateAction();
button_register1.addActionListener(validateButton4);
register.setVisible(false);
register.setLayout(gbl);
bg=new ButtonGroup();
man=new JRadioButton("男");
woman=new JRadioButton("女");
bg.add(man);
bg.add(woman);
String CreditCardType[] = {"Master Card","Visa Card"};
String PersonCardType[]={"身份证","学生证","军人证"};
combo_userCreditCardType = new JComboBox(CreditCardType);
combo_userPersonCardType = new JComboBox(PersonCardType);
gbc.gridx=0;
gbc.gridy=0;
gbc.anchor=GridBagConstraints.WEST;
gbl.setConstraints(label_userID2,gbc);
register.add(label_userID2);
gbc.gridx=1;
gbc.gridy=0;
gbl.setConstraints(text_userID2,gbc);
register.add(text_userID2);
gbc.gridx=0;
gbc.gridy=1;
gbc.anchor=GridBagConstraints.WEST;
gbl.setConstraints(label_userPassword2,gbc);
register.add(label_userPassword2);
gbc.gridx=1;
gbc.gridy=1;
gbl.setConstraints(text_userPassword2,gbc);
register.add(text_userPassword2);
gbc.gridx=0;
gbc.gridy=2;
gbc.anchor=GridBagConstraints.WEST;
gbl.setConstraints(label_userPasswordAgain2,gbc);
register.add(label_userPasswordAgain2);
gbc.gridx=1;
gbc.gridy=2;
gbl.setConstraints(text_userPasswordAgain2,gbc);
register.add(text_userPasswordAgain2);
gbc.gridx=0;
gbc.gridy=3;
gbc.anchor=GridBagConstraints.WEST;
gbl.setConstraints(label_userName2,gbc);
register.add(label_userName2);
gbc.gridx=1;
gbc.gridy=3;
gbl.setConstraints(text_userName2,gbc);
register.add(text_userName2);
gbc.gridx=0;
gbc.gridy=4;
gbc.anchor=GridBagConstraints.WEST;
gbl.setConstraints(label_userSex2,gbc);
register.add(label_userSex2);
gbc.gridx=1;
gbc.gridy=4;
gbc.anchor=GridBagConstraints.WEST;
gbl.setConstraints(man,gbc);
register.add(man);
gbc.gridx=1;
gbc.gridy=4;
gbc.anchor=GridBagConstraints.CENTER;
gbl.setConstraints(woman,gbc);
register.add(woman);
gbc.gridx=0;
gbc.gridy=5;
gbc.anchor=GridBagConstraints.WEST;
gbl.setConstraints(label_userPersonCardType2,gbc);
register.add(label_userPersonCardType2);
gbc.gridx=1;
gbc.gridy=5;
gbc.anchor=GridBagConstraints.WEST;
gbl.setConstraints(combo_userPersonCardType,gbc);
register.add(combo_userPersonCardType);
gbc.gridx=0;
gbc.gridy=6;
gbc.anchor=GridBagConstraints.WEST;
gbl.setConstraints(label_userPersonCardNo2,gbc);
register.add(label_userPersonCardNo2);
gbc.gridx=1;
gbc.gridy=6;
gbl.setConstraints(text_userPersonCardNo2,gbc);
register.add(text_userPersonCardNo2);
gbc.gridx=0;
gbc.gridy=7;
gbc.anchor=GridBagConstraints.WEST;
gbl.setConstraints(label_userEmail2,gbc);
register.add(label_userEmail2);
gbc.gridx=1;
gbc.gridy=7;
gbl.setConstraints(text_userEmail2,gbc);
register.add(text_userEmail2);
gbc.gridx=0;
gbc.gridy=8;
gbc.anchor=GridBagConstraints.WEST;
gbl.setConstraints(label_userAddress2,gbc);
register.add(label_userAddress2);
gbc.gridx=1;
gbc.gridy=8;
gbl.setConstraints(text_userAddress2,gbc);
register.add(text_userAddress2);
gbc.gridx=0;
gbc.gridy=9;
gbc.anchor=GridBagConstraints.WEST;
gbl.setConstraints(label_userZipcode2,gbc);
register.add(label_userZipcode2);
gbc.gridx=1;
gbc.gridy=9;
gbl.setConstraints(text_userZipcode2,gbc);
register.add(text_userZipcode2);
gbc.gridx=0;
gbc.gridy=10;
gbc.anchor=GridBagConstraints.WEST;
gbl.setConstraints(label_userCreditCardType2,gbc);
register.add(label_userCreditCardType2);
gbc.gridx=1;
gbc.gridy=10;
gbc.anchor=GridBagConstraints.WEST;
gbl.setConstraints(combo_userCreditCardType,gbc);
register.add(combo_userCreditCardType);
gbc.gridx=0;
gbc.gridy=11;
gbc.anchor=GridBagConstraints.WEST;
gbl.setConstraints(label_userCreditCardNo2,gbc);
register.add(label_userCreditCardNo2);
gbc.gridx=1;
gbc.gridy=11;
gbl.setConstraints(text_userCreditCardNo2,gbc);
register.add(text_userCreditCardNo2);
gbc.gridx=1;
gbc.gridy=12;
gbc.anchor=GridBagConstraints.CENTER;
gbl.setConstraints(button_ok2,gbc);
register.add(button_ok2);
validateAction validateButton1 = new validateAction();
button_ok2.addActionListener(validateButton1);
gbc.gridx=1;
gbc.gridy=12;
gbc.anchor=GridBagConstraints.EAST;
gbl.setConstraints(button_register2,gbc);
register.add(button_register2);
validateAction validateButton2 = new validateAction();
button_register2.addActionListener(validateButton2);
datimeThread = new Thread(this);
datimeThread.start();
}

Answer 3

没用过GridBagLayout，但
register.setLayout(gbl);
这里是不是应该新new一个GridBagLayout和GridBagConstraints呢？