e密码维护.frm

图书管理系统 1.图书管理系统概述图书管理系统用来管理图书借还过程中的静态和动态信息.本系统是一个典型的图书管理系统,系统管理的信息主要包括图书基本信息,图书存储信息,借书和还书信息,图书预约信息以及

VERSION 5.00
Begin VB.Form E密码维护 
   Caption         =   "密码维护"
   ClientHeight    =   2970
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4485
   LinkTopic       =   "Form1"
   ScaleHeight     =   2970
   ScaleWidth      =   4485
   Begin VB.Frame Frame1 
      Caption         =   "密码维护"
      Height          =   2775
      Left            =   120
      TabIndex        =   0
      Top             =   120
      Width           =   4095
      Begin VB.TextBox txtUserId 
         Height          =   345
         IMEMode         =   3  'DISABLE
         Left            =   1440
         MaxLength       =   10
         TabIndex        =   10
         Top             =   240
         Width           =   1845
      End
      Begin VB.TextBox txtCheck 
         Height          =   345
         IMEMode         =   3  'DISABLE
         Left            =   1440
         PasswordChar    =   "*"
         TabIndex        =   5
         Top             =   1680
         Width           =   1845
      End
      Begin VB.TextBox txtNew 
         Height          =   345
         IMEMode         =   3  'DISABLE
         Left            =   1440
         PasswordChar    =   "*"
         TabIndex        =   4
         Top             =   1200
         Width           =   1845
      End
      Begin VB.TextBox txtOld 
         Height          =   345
         IMEMode         =   3  'DISABLE
         Left            =   1440
         PasswordChar    =   "*"
         TabIndex        =   3
         Top             =   720
         Width           =   1845
      End
      Begin VB.CommandButton CmdCancel 
         Caption         =   "退出"
         Height          =   375
         Left            =   2160
         TabIndex        =   2
         Top             =   2160
         Width           =   975
      End
      Begin VB.CommandButton CmdOk 
         Caption         =   "确定"
         Height          =   375
         Left            =   1080
         TabIndex        =   1
         Top             =   2160
         Width           =   855
      End
      Begin VB.Label Label3 
         Caption         =   "10位"
         ForeColor       =   &H000000FF&
         Height          =   375
         Left            =   3360
         TabIndex        =   11
         Top             =   240
         Width           =   495
      End
      Begin VB.Label Label2 
         Caption         =   "确认密码："
         Height          =   375
         Left            =   360
         TabIndex        =   9
         Top             =   1680
         Width           =   975
      End
      Begin VB.Label Label1 
         Caption         =   "新密码(N)"
         Height          =   375
         Left            =   360
         TabIndex        =   8
         Top             =   1200
         Width           =   855
      End
      Begin VB.Label lblLabels 
         Caption         =   "旧密码(&P):"
         Height          =   270
         Index           =   1
         Left            =   360
         TabIndex        =   7
         Top             =   720
         Width           =   1080
      End
      Begin VB.Label lblLabels 
         Caption         =   "用户ID(&U):"
         Height          =   270
         Index           =   0
         Left            =   360
         TabIndex        =   6
         Top             =   270
         Width           =   1080
      End
   End
End
Attribute VB_Name = "E密码维护"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Dim SQL As String
Dim msg As String
Private Sub CmdOk_Click()
    Dim rst As ADODB.Recordset
    Dim UserID As String
    Dim pOld As String
    Dim pNew As String
    Dim pCheck As String
    '赋值
    pOld = Trim(txtOld.Text)
    pNew = Trim(txtNew.Text)
    pCheck = Trim(txtCheck.Text)
    UserID = Trim(txtUserId.Text)
    SQL = "select 用户ID,用户名称,密码 from 用户信息表 where 用户ID='" & UserID & "'"
    SQL = SQL & " and 密码='" & pOld & "'"
    On Error GoTo ErrMsg
    Set rst = SelectSQL(SQL, msg)
    If rst.RecordCount > 0 Then
        '检查新密码和确认密码
        If (pCheck <> pNew) Then
            MsgBox ("两次输入的密码不一致！")
            Exit Sub
        End If
        '接受新的密码
        rst.Fields("密码") = pNew
        rst.Update
        MsgBox ("更新成功！")
    Else
        MsgBox ("用户ID或密码输入错误！")
        Exit Sub
    End If
    Exit Sub
ErrMsg:
     MsgBox Err.Description, vbExclamation, "出错"
End Sub
Private Sub cmdCancel_Click()
'退出操作
    图书管理系统.Enabled = True
    Unload Me
End Sub
Private Sub Form_Unload(Cancel As Integer)
'退出操作
    图书管理系统.Enabled = True
    Unload Me
End Sub