frmmater1.frm

一个物资管理系统

VERSION 5.00
Begin VB.Form frmMater1 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "物资信息"
   ClientHeight    =   3180
   ClientLeft      =   48
   ClientTop       =   336
   ClientWidth     =   4212
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   3180
   ScaleWidth      =   4212
   ShowInTaskbar   =   0   'False
   StartUpPosition =   1  'CenterOwner
   Begin VB.Frame Frame1 
      Caption         =   "物资信息"
      Height          =   2295
      Left            =   240
      TabIndex        =   7
      Top             =   240
      Width           =   3735
      Begin VB.TextBox txtItem 
         Height          =   270
         Index           =   4
         Left            =   1320
         MaxLength       =   10
         TabIndex        =   4
         Top             =   1800
         Width           =   2175
      End
      Begin VB.TextBox txtItem 
         Height          =   270
         Index           =   0
         Left            =   1320
         MaxLength       =   8
         TabIndex        =   0
         Top             =   360
         Width           =   2175
      End
      Begin VB.TextBox txtItem 
         Height          =   270
         Index           =   1
         Left            =   1320
         MaxLength       =   20
         TabIndex        =   1
         Top             =   720
         Width           =   2175
      End
      Begin VB.TextBox txtItem 
         Height          =   270
         Index           =   2
         Left            =   1320
         MaxLength       =   20
         TabIndex        =   2
         Top             =   1080
         Width           =   2175
      End
      Begin VB.TextBox txtItem 
         Height          =   270
         Index           =   3
         Left            =   1320
         MaxLength       =   10
         TabIndex        =   3
         Top             =   1440
         Width           =   2175
      End
      Begin VB.Label Label2 
         Caption         =   "类    别："
         Height          =   255
         Index           =   3
         Left            =   240
         TabIndex        =   12
         Top             =   1440
         Width           =   975
      End
      Begin VB.Label Label2 
         Caption         =   "物资编号："
         Height          =   255
         Index           =   0
         Left            =   240
         TabIndex        =   11
         Top             =   360
         Width           =   975
      End
      Begin VB.Label Label2 
         Caption         =   "物资名称："
         Height          =   255
         Index           =   1
         Left            =   240
         TabIndex        =   10
         Top             =   720
         Width           =   975
      End
      Begin VB.Label Label2 
         Caption         =   "计量单位："
         Height          =   255
         Index           =   2
         Left            =   240
         TabIndex        =   9
         Top             =   1800
         Width           =   975
      End
      Begin VB.Label Label2 
         Caption         =   "规格型号："
         Height          =   255
         Index           =   16
         Left            =   240
         TabIndex        =   8
         Top             =   1080
         Width           =   975
      End
   End
   Begin VB.CommandButton cmdExit 
      Caption         =   "返回 (&X)"
      Height          =   375
      Left            =   2640
      TabIndex        =   6
      Top             =   2640
      Width           =   1215
   End
   Begin VB.CommandButton cmdSave 
      Caption         =   "保存 (&S)"
      Height          =   375
      Left            =   1200
      TabIndex        =   5
      Top             =   2640
      Width           =   1215
   End
End
Attribute VB_Name = "frmMater1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
'是否改动过记录，ture为改过
Dim mblChange As Boolean
Dim mrc As ADODB.Recordset
Public txtSQL As String

Private Sub cmdExit_Click()
    If mblChange And cmdSave.Enabled Then
        If MsgBox("保存当前记录的变化吗？", vbOKCancel + vbExclamation, "警告") = vbOK Then
            '保存
            Call cmdSave_Click
        End If
    End If
    Unload Me
End Sub

Private Sub cmdSave_Click()
    Dim intCount As Integer
    Dim sMeg As String
    Dim MsgText As String
    
  
    For intCount = 0 To 4
        If Trim(txtItem(intCount) & " ") = "" Then
            Select Case intCount
                Case 0
                    sMeg = "物资编号"
                Case 1
                    sMeg = "物资名称"
                Case 2
                    sMeg = "规格型号"
                Case 3
                    sMeg = "计量单位"
                Case 4
                    sMeg = "类别"
            End Select
            sMeg = sMeg & "不能为空！"
            MsgBox sMeg, vbOKOnly + vbExclamation, "警告"
            txtItem(intCount).SetFocus
        
            Exit Sub
        End If
    Next intCount
   
    '添加判断是否有相同的ID记录
    If gintMmode = 1 Then
        txtSQL = "select * from material where wzid='" & Trim(txtItem(0)) & "'"
        Set mrc = ExecuteSQL(txtSQL, MsgText)
        If mrc.EOF = False Then
            MsgBox "已经存在此物资编号的记录！", vbOKOnly + vbExclamation, "警告"
            txtItem(0).SetFocus
            Exit Sub
        End If
        mrc.Close
    End If
    
    '判断是否有相同内容的记录
    txtSQL = "select * from material where wzid<>'" & Trim(txtItem(0)) & "' and wzname='" & Trim(txtItem(1)) & "' and wzspec='" & Trim(txtItem(2)) & "'"
    Set mrc = ExecuteSQL(txtSQL, MsgText)
    If mrc.EOF = False Then
        MsgBox "已经存在相同物资内容的记录！", vbOKOnly + vbExclamation, "警告"
        txtItem(1).SetFocus
        Exit Sub
    End If
    
    '先删除已有记录
    txtSQL = "delete from material where wzid='" & Trim(txtItem(0)) & "'"
    Set mrc = ExecuteSQL(txtSQL, MsgText)
   
    
    '再加入新记录
    txtSQL = "select * from material"
    Set mrc = ExecuteSQL(txtSQL, MsgText)
    mrc.AddNew
    mrc.Fields(0) = Trim(txtItem(0))
        
    For intCount = 1 To 4
        mrc.Fields(intCount) = Trim(txtItem(intCount))
    Next intCount
    
    mrc.Update
    mrc.Close
    
    If gintMmode = 1 Then
        MsgBox "添加记录成功！", vbOKOnly + vbExclamation, "添加记录"
        For intCount = 0 To 4
            txtItem(intCount) = ""
        Next intCount
        mblChange = False
        If flagMedit Then
            Unload frmMater
            frmMater.txtSQL = "select * from material"
            frmMater.Show
        End If
    ElseIf gintMmode = 2 Then
        Unload Me
        If flagMedit Then
            Unload frmMater
        End If
        frmMater.txtSQL = "select * from material"
        frmMater.Show
    End If
    
End Sub

Private Sub Form_Load()
    Dim intCount As Integer
    Dim MsgText As String
  
    If gintMmode = 1 Then
        Me.Caption = Me.Caption & "添加"
        
    ElseIf gintMmode = 2 Then
        Set mrc = ExecuteSQL(txtSQL, MsgText)
        
        If mrc.EOF = False Then
            With mrc
                For intCount = 0 To 4
                    txtItem(intCount) = .Fields(intCount)
                Next intCount
               
            End With
            txtItem(0).Enabled = False
        End If
        
        Me.Caption = Me.Caption & "修改"
    End If
    
    mblChange = False
End Sub

Private Sub Form_Unload(Cancel As Integer)
    gintMmode = 0
End Sub



Private Sub txtItem_Change(Index As Integer)
    '有变化设置gblchange
    mblChange = True
End Sub

Private Sub txtItem_GotFocus(Index As Integer)
    txtItem(Index).SelStart = 0
    txtItem(Index).SelLength = Len(txtItem(Index))
End Sub

Private Sub txtItem_KeyDown(Index As Integer, KeyCode As Integer, Shift As Integer)
    EnterToTab KeyCode
End Sub