vb模拟 图书管理系统

VERSION 5.00
Begin VB.Form 添加级别1 
   BorderStyle     =   1  'Fixed Single
   Caption         =   "编辑记录"
   ClientHeight    =   2910
   ClientLeft      =   45
   ClientTop       =   435
   ClientWidth     =   3075
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   2910
   ScaleWidth      =   3075
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton Command2 
      Caption         =   "取消"
      Height          =   255
      Left            =   1680
      TabIndex        =   10
      Top             =   2400
      Width           =   855
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确定"
      Height          =   255
      Left            =   480
      TabIndex        =   9
      Top             =   2400
      Width           =   855
   End
   Begin VB.Frame Frame1 
      Caption         =   "记录编辑"
      Height          =   1935
      Left            =   240
      TabIndex        =   0
      Top             =   240
      Width           =   2535
      Begin VB.TextBox Text4 
         Height          =   270
         Left            =   1080
         TabIndex        =   8
         Top             =   1440
         Width           =   1095
      End
      Begin VB.TextBox Text3 
         Height          =   270
         Left            =   1080
         TabIndex        =   7
         Top             =   1080
         Width           =   1095
      End
      Begin VB.TextBox Text2 
         Height          =   270
         Left            =   1080
         TabIndex        =   6
         Top             =   720
         Width           =   1095
      End
      Begin VB.TextBox Text1 
         Height          =   270
         Left            =   1080
         TabIndex        =   5
         Top             =   360
         Width           =   1095
      End
      Begin VB.Label Label4 
         Caption         =   "借书天数"
         Height          =   255
         Left            =   240
         TabIndex        =   4
         Top             =   1440
         Width           =   735
      End
      Begin VB.Label Label3 
         Caption         =   "借书总数"
         Height          =   255
         Left            =   240
         TabIndex        =   3
         Top             =   1080
         Width           =   735
      End
      Begin VB.Label Label2 
         Caption         =   "过期罚款"
         Height          =   255
         Left            =   240
         TabIndex        =   2
         Top             =   720
         Width           =   735
      End
      Begin VB.Label Label1 
         Caption         =   "级    别"
         Height          =   255
         Left            =   240
         TabIndex        =   1
         Top             =   360
         Width           =   735
      End
   End
End
Attribute VB_Name = "添加级别1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False

Private Sub Command1_Click() '确定
Dim sqltxt1 As String
If Trim(Text1.Text) = "" Or Trim(Text2.Text) = "" Or Trim(Text3.Text) = "" Or Trim(Text4.Text) = "" Then
MsgBox "数据项不全，请重新设置", vbOKOnly, "信息提示"
Text1.SetFocus
Exit Sub
End If
sqltxt1 = "select * from rlevel where 级别='" + _
Trim(Text1.Text) + "'"
Set brs = exesql(sqltxt1)
If flag = 1 Then '添加操作
If brs.RecordCount <> 0 Then '原记录个数大于0
MsgBox "存在相同的记录", vbOKOnly, "信息提示"
Text1.SetFocus
brs.Close
Exit Sub
End If
brs.AddNew
brs.Fields("级别") = Trim(Text1.Text)
brs.Fields("过期罚款") = Val(Trim(Text2.Text))
brs.Fields("借书总数") = Val(Trim(Text3.Text))
brs.Fields("借书天数") = Val(Trim(Text4.Text))
brs.Update
recs = recs + 1
Else '修改操作
brs.Fields("级别") = Trim(Text1.Text)
brs.Fields("过期罚款") = Val(Trim(Text2.Text))
brs.Fields("借书总数") = Val(Trim(Text3.Text))
brs.Fields("借书天数") = Val(Trim(Text4.Text))
brs.Update
End If
Unload Me
End Sub

Private Sub Command2_Click()
Unload Me
End Sub

Private Sub Form_Load()
Dim sqltxt As String
sqltxt = "select * from rlevel where 级别='" + userlevel1 + "'"
Set rs = exesql(sqltxt)
If flag = 2 Then
Text1.Text = rs.Fields("级别")
Text2.Text = rs.Fields("过期罚款")
Text3.Text = rs.Fields("借书总数")
Text4.Text = rs.Fields("借书天数")
Text1.Enabled = False
End If
End Sub