import?java.awt.event.*;
import?java.awt.*;
import?javax.swing.*;
import?java.sql.*;

public?class?AddDeleteUser?extends?JInternalframe?{
	
	private?JButton?butACancelbutDCancelbutDeletebutOk;
????private?JComboBox?cbUserName;
????private?JLabel?jLabel1jLabel2jLabel3jLabel4jLabel5;
????private?JPasswordField?pas1pas2pas3;
????private?JTextField?txtname;

????public?AddDeleteUser（）?{//空構造
??????super（“用戶信息添加和刪除“）;
????????initComponents（）;
????????this.setVisible（true）;
????????this.setClosable（true）;
????????this.setSize（268350）;
????????
???}

????private?void?initComponents（）?{
????	
????	//實例化并添加控件
????????jLabel1?=?new?JLabel（）;
????????jLabel2?=?new?JLabel（）;
????????jLabel3?=?new?JLabel（）;
????????txtname?=?new?JTextField（）;
????????pas1?=?new?JPasswordField（）;
????????pas2?=?new?JPasswordField（）;
????????butOk?=?new?JButton（）;
????????butACancel?=?new?JButton（）;
????????jLabel4?=?new?JLabel（）;
????????cbUserName?=?new?JComboBox（）;
????????jLabel5?=?new?JLabel（）;
????????pas3?=?new?JPasswordField（）;
????????butDelete?=?new?JButton（）;
????????butDCancel?=?new?JButton（）;
????????//實例化并添加控件完成

????????getContentPane（）.setLayout（null）;//設置布局
????????
????????
????????//為空間放置具體位置
????????jLabel1.setText（“新用戶名:“）;
????????getContentPane（）.add（jLabel1）;
????????jLabel1.setBounds（30?30?70?20）;

????????jLabel2.setText（“輸入密碼:“）;
????????getContentPane（）.add（jLabel2）;
????????jLabel2.setBounds（30?60?70?18）;

????????jLabel3.setText（“確認密碼:“）;
????????getContentPane（）.add（jLabel3）;
????????jLabel3.setBounds（30?90?60?18）;

????????getContentPane（）.add（txtname）;
????????txtname.setBounds（100?30?130?24）;

????????getContentPane（）.add（pas1）;
????????pas1.setBounds（100?60?130?24）;

????????getContentPane（）.add（pas2）;
????????pas2.setBounds（100?90?130?24）;

????????butOk.setText（“添加“）;

????????getContentPane（）.add（butOk）;
????????butOk.setBounds（80?130?70?27）;

????????butACancel.setText（“清空“）;
????????getContentPane（）.add（butACancel）;
????????butACancel.setBounds（160?130?70?27）;

????????jLabel4.setText（“已有用戶名:“）;
????????getContentPane（）.add（jLabel4）;
????????jLabel4.setBounds（30?180?80?18）;

????????getContentPane（）.add（cbUserName）;
????????cbUserName.setBounds（100?180?130?24）;

????????jLabel5.setText（“密碼:“）;
????????getContentPane（）.add（jLabel5）;
????????jLabel5.setBounds（30?210?60?18）;

????????getContentPane（）.add（pas3）;
????????pas3.setBounds（100?216?130?24）;

????????butDelete.setText（“刪除“）;
????????getContentPane（）.add（butDelete）;
????????butDelete.setBounds（79?260?70?27）;

????????butDCancel.setText（“清空“）;
????????getContentPane（）.add（butDCancel）;
????????butDCancel.setBounds（160?260?70?27）;
????????
????????//為空間放置具體位置結束

//將所有用用戶名讀出來
?????????database.joinDB（）;
?????????String?sql=“select?*?from?user“;
?????????try{
?????????	if（database.query（sql））{
?????????		while（database.rs.next（））{
??

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????383??2009-11-11?11:01??student\.project

?????文件????????226??2009-11-11?11:01??student\.classpath

?????文件????????973??2009-11-11?11:01??student\addstud$2.class

?????文件???????4430??2009-11-11?11:01??student\addstud.java

?????文件???????1715??2009-11-11?11:01??student\addgrade$1.class

?????文件????????604??2009-11-11?11:01??student\addgrade$2.class

?????文件???????3776??2009-11-11?11:01??student\addgrade.class

?????文件???????3325??2009-11-11?18:25??student\Land.class

?????文件????????479??2009-11-11?11:01??student\addgrade$3.class

?????文件???????2059??2009-11-11?11:01??student\viewstud.class

?????文件???????1191??2009-11-11?11:01??student\viewgrade.java

?????文件???????2086??2009-11-11?11:01??student\viewgrade.class

?????文件????????971??2009-11-11?11:01??student\請先看調試說明.txt

?????文件????????470??2009-11-11?11:01??student\Monitor.class

?????文件?????409600??2009-11-11?11:04??student\student.mdb

?????文件???????1571??2009-11-11?11:01??student\Land$Monitor_1.class

?????文件????????801??2009-11-11?11:01??student\Land$Monitor_2.class

?????文件???????1737??2009-11-11?11:01??student\database.java

?????文件???????2212??2009-11-11?11:01??student\database.class

?????文件???????1017??2009-11-11?11:01??student\xgmima.class

?????文件???????2307??2009-11-11?11:01??student\AmendPanel$1.class

?????文件????????802??2009-11-11?11:01??student\AmendPanel$2.class

?????文件???????2209??2009-11-11?11:01??student\AmendPanel.class

?????文件???????4153??2009-11-12?14:28??student\Main.class

?????文件???????1839??2009-11-11?11:01??student\AddDeleteUser$1.class

?????文件????????952??2009-11-11?11:01??student\AddDeleteUser$2.class

?????文件???????2482??2009-11-11?11:01??student\AddDeleteUser$3.class

?????文件????????801??2009-11-11?11:01??student\AddDeleteUser$4.class

?????文件???????3717??2009-11-11?11:01??student\AddDeleteUser.class

?????文件???????6159??2009-11-11?11:01??student\AddDeleteUser.java

............此處省略43個文件信息