資源簡介
30天學通Java項目案例開發光盤源碼 吳亞峰 蘇亞光
代碼片段和文件信息
package?wyf.cgq;
import?java.util.*;
import?java.sql.*;
import?java.awt.*;
import?java.awt.event.*;
import?javax.swing.*;
import?javax.swing.event.*;
public?class?ChangePwd?extends?JPanel?implements?ActionListener
{
private?String?host;?
??//聲明Connection引用、Statement對象引用與結果集引用
private?Connection?conn;
private?Statement?stmt;
private?ResultSet?rs;
//聲明用與表示當前學生學號的引用
private?String?stu_id;
//創建信息提示標簽數組
private?JLabel[]?jlArray={new?JLabel(“原始密碼“)new?JLabel(“新密碼“)new?JLabel(“確認新密碼“)
?????????????????????????};
//創建密碼框數組
private?JPasswordField[]?jpfArray={new?JPasswordField()new?JPasswordField()new?JPasswordField()
?????????????????????????????};
//創建操作按鈕數組
private?JButton[]?jbArray={new?JButton(“確認“)new?JButton(“重置“)
??????????????????????????};
//構造器
public?ChangePwd(String?stu_idString?host)
{
this.host=host;
this.stu_id=stu_id;
//初始化頁面
this.initialframe();
//注冊監聽器
this.addListener();
}
//集體注冊監聽器的方法
public?void?addListener()
{
jpfArray[0].addActionListener(this);
jpfArray[1].addActionListener(this);
jpfArray[2].addActionListener(this);
jbArray[0].addActionListener(this);
jbArray[1].addActionListener(this);
}
//初始化頁面的方法
public?void?initialframe()
{
this.setLayout(null);
for(int?i=0;i {
jlArray[i].setBounds(3020+50*i15030);
this.add(jlArray[i]);
jpfArray[i].setBounds(13020+50*i15030);
this.add(jpfArray[i]);
}
jbArray[0].setBounds(4018010030);
this.add(jbArray[0]);
jbArray[1].setBounds(17018010030);
this.add(jbArray[1]);
}
//實現ActionListener接口中的方法
public?void?actionPerformed(ActionEvent?e)
{
if(e.getSource()==jpfArray[0])
{
jpfArray[1].requestFocus(true);
}
else?if(e.getSource()==jpfArray[1])
{
jpfArray[2].requestFocus(true);
}
else?if(e.getSource()==jpfArray[2])
{
jbArray[0].requestFocus(true);
}
else?if(e.getSource()==jbArray[1])
{//按下重置按鈕的處理代碼
????//將輸入信息清空
for(int?i=0;i {
jpfArray[i].setText(““);
}
}
else?if(e.getSource()==jbArray[0])
{//按下確認按鈕的處理代碼
????//用于判斷密碼格式的正則式字符串
String?patternStr=“[0-9a-zA-Z]{612}“;
//獲取用戶輸入的舊密碼
String?oldPwd=jpfArray[0].getText();
if(oldPwd.equals(““))
{//舊密碼空
JOptionPane.showMessageDialog(this“請輸入原始密碼““錯誤“JOptionPane.ERROR_MESSAGE);
return;
}
//獲取新密碼
String?newPwd=jpfArray[1].getText();
if(newPwd.equals(““))
{//新密碼為空
JOptionPane.showMessageDialog(this“請輸入新密碼““錯誤“JOptionPane.ERROR_MESSAGE);
return;
}
if(!newPwd.matches(patternStr))
{//新密碼格式不正確
JOptionPane.showMessageDialog(this“密碼只能是6到12位的字母或數字““錯誤“JOptionPane.ERROR_MESSAGE);
return;
}
//獲取確認密碼
String?newPwd1=jpfArray[2].getText();
if(!newPwd.equals(newPwd1))
{//新密碼與確認密碼不同
JOptionPane.showMessageDialog(this“確認密碼與新密碼不符““錯誤“JOptionPane.ERROR_MESSAGE);
return;
}
try
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-11-08?15:32??chap01\
?????文件?????????157??2008-09-14?10:11??chap01\Test.jsp
?????目錄???????????0??2012-11-08?15:32??chap02\
?????目錄???????????0??2012-11-08?15:32??chap02\build\
?????文件????????1045??2008-07-18?10:30??chap02\build\ico.gif
?????文件?????????139??2008-09-13?11:07??chap02\build\run.bat
?????目錄???????????0??2012-11-08?15:32??chap02\build\wyf\
?????目錄???????????0??2012-11-08?15:32??chap02\build\wyf\cgq\
?????文件????????4346??2008-10-26?23:28??chap02\build\wyf\cgq\ChangePwd.class
?????文件????????4898??2008-10-26?23:28??chap02\build\wyf\cgq\ChangePwdTeacher.class
?????文件????????6452??2008-10-26?23:28??chap02\build\wyf\cgq\ChoseCourse.class
?????文件???????10912??2008-10-26?23:27??chap02\build\wyf\cgq\CourseManage.class
?????文件?????????858??2008-10-26?23:27??chap02\build\wyf\cgq\CourseTable$TableViewRenderer.class
?????文件????????4128??2008-10-26?23:27??chap02\build\wyf\cgq\CourseTable.class
?????文件????????3632??2008-10-26?23:27??chap02\build\wyf\cgq\GetScore.class
?????文件????????2933??2008-10-26?23:26??chap02\build\wyf\cgq\GetStuInfo.class
?????文件????????2474??2008-10-26?23:26??chap02\build\wyf\cgq\GradeInDB$TableChangeListener.class
?????文件????????6699??2008-10-26?23:26??chap02\build\wyf\cgq\GradeInDB.class
?????文件????????6578??2008-10-26?23:31??chap02\build\wyf\cgq\Login.class
?????文件????????5591??2008-10-26?23:26??chap02\build\wyf\cgq\NewClass.class
?????文件????????6233??2008-10-26?23:26??chap02\build\wyf\cgq\NewCourse.class
?????文件???????10328??2008-10-26?23:26??chap02\build\wyf\cgq\NewStu.class
?????文件????????2192??2008-10-26?23:26??chap02\build\wyf\cgq\StuClient$1.class
?????文件?????????606??2008-10-26?23:26??chap02\build\wyf\cgq\StuClient$MyNode.class
?????文件????????5512??2008-10-26?23:26??chap02\build\wyf\cgq\StuClient.class
?????文件????????1505??2008-10-26?23:26??chap02\build\wyf\cgq\StuFailGrade.class
?????文件????????2029??2008-10-26?23:28??chap02\build\wyf\cgq\StuGrade.class
?????文件????????2455??2008-10-26?23:28??chap02\build\wyf\cgq\StuInfo.class
?????文件????????3468??2008-10-26?23:28??chap02\build\wyf\cgq\StuScore.class
?????文件????????2770??2008-10-26?23:28??chap02\build\wyf\cgq\TeacherClient$1.class
?????文件?????????626??2008-10-26?23:28??chap02\build\wyf\cgq\TeacherClient$MyNode.class
............此處省略578個文件信息
- 上一篇:一個SSH框架開發的完整的電信計費系統
- 下一篇:尚硅谷佟剛JavaWeb教學課件
評論
共有 條評論