edrec1.frm

一个用VB编写的小型图书管理系统

VERSION 5.00
Begin VB.Form edrec1 
   Caption         =   "记录编辑"
   ClientHeight    =   2535
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   2535
   ScaleWidth      =   4680
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton Command2 
      Caption         =   "取消"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   2640
      TabIndex        =   4
      Top             =   1800
      Width           =   1095
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确定"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   960
      TabIndex        =   3
      Top             =   1800
      Width           =   1095
   End
   Begin VB.Frame Frame1 
      Caption         =   "记录编辑"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   1095
      Left            =   480
      TabIndex        =   0
      Top             =   360
      Width           =   3735
      Begin VB.TextBox Text1 
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   12
            Charset         =   134
            Weight          =   700
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   375
         Left            =   1680
         TabIndex        =   2
         Top             =   360
         Width           =   1815
      End
      Begin VB.Label Label1 
         Caption         =   "Label1"
         BeginProperty Font 
            Name            =   "宋体"
            Size            =   12
            Charset         =   134
            Weight          =   700
            Underline       =   0   'False
            Italic          =   0   'False
            Strikethrough   =   0   'False
         EndProperty
         Height          =   375
         Left            =   480
         TabIndex        =   1
         Top             =   360
         Width           =   1095
      End
   End
End
Attribute VB_Name = "edrec1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim cond As String
Private Sub Command1_Click()
  If Trim(Text1.Text) = "" Then
    MsgBox "数据项不能为空，请重新设置", vbOKOnly, "信息提示"
    Text1.SetFocus
    Exit Sub
  End If
  If flag = 1 Then
    If edrec.Adodc1.Recordset.RecordCount > 0 Then
      cond = "fn='" + Trim(Text1.Text) + "'"
      edrec.Adodc1.Recordset.MoveFirst
      edrec.Adodc1.Recordset.Find (cond)
      If Not edrec.Adodc1.Recordset.EOF() Then
        MsgBox "存在完全相同的记录", vbOKOnly, "信息提示"
        Text1.SetFocus
        Exit Sub
      End If
    End If
    edrec.Adodc1.Recordset.AddNew
    edrec.Adodc1.Recordset.Fields("fn") = Trim(Text1.Text)
    edrec.Adodc1.Recordset.Update
    recs = recs + 1
  Else
    n = edrec.Adodc1.Recordset.AbsolutePosition
    cond = "fn='" + Trim(Text1.Text) + "'"
    edrec.Adodc1.Recordset.MoveFirst
    edrec.Adodc1.Recordset.Find (cond)
    If Not edrec.Adodc1.Recordset.EOF() And edrec.Adodc1.Recordset.AbsolutePosition <> n Then
       MsgBox "存在完全相同的记录", vbOKOnly, "信息提示"
       edrec.Adodc1.Recordset.MoveFirst
       edrec.Adodc1.Recordset.Move (n - 1)
       Text1.SetFocus
       Exit Sub
    End If
    edrec.Adodc1.Recordset.MoveFirst
    edrec.Adodc1.Recordset.Move (n - 1)
    edrec.Adodc1.Recordset.Fields("fn") = Trim(Text1.Text)
    edrec.Adodc1.Recordset.Update
 End If
  Unload Me
End Sub
Private Sub Command2_Click()
  Unload Me
End Sub
Private Sub Form_Load()
  Label1.Caption = cap
  If flag = 1 Then
    Text1.Text = ""
  Else
    Text1.Text = edrec.Adodc1.Recordset.Fields("fn")
  End If
End Sub