frmdh1.frm

经典delphi,Delphi下深入Windows核心编程.原书光盘代码

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 = 1 To 7
        If Trim(txtItem(intCount) & " ") = "" Then
            Select Case intCount
                Case 1
                    sMeg = "订货单号"
                Case 2
                    sMeg = "供应商代码"
                Case 3
                    sMeg = "产品代码"
                Case 4
                    sMeg = "数量"
                Case 5
                    sMeg = "订货单价"
                Case 6
                    sMeg = "折扣比例"
                Case 7
                    sMeg = "总金额"
            End Select
            sMeg = sMeg & "不能为空！"
            MsgBox sMeg, vbOKOnly + vbExclamation, "警告"
            txtItem(intCount).SetFocus
            Exit Sub
        End If
    Next intCount
    
    For intCount = 0 To 2
        If Trim(Combo1(intCount) & " ") = "" Then
            Select Case intCount
                Case 0
                    sMeg = "业务员"
                Case 1
                    sMeg = "供应商名称"
                Case 2
                    sMeg = "产品名称"
            End Select
            sMeg = sMeg & "不能为空！"
            MsgBox sMeg, vbOKOnly + vbExclamation, "警告"
            Combo1(intCount).SetFocus
            Exit Sub
        End If
    Next intCount
    
    
    For intCount = 4 To 7
        If Not IsNumeric(Trim(txtItem(intCount))) Then
            sMeg = "请输入数字！"
            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 gintDHmode = 1 Then
        txtSQL = "select * from dh  where dh_no ='" & Trim(txtItem(1)) & "'"
        Set mrc = ExecuteSQL(txtSQL, msgtext)
        If mrc.EOF = False Then
            MsgBox "已经存在此订单编号的记录！", vbOKOnly + vbExclamation, "警告"
            txtItem(1).SetFocus
            Exit Sub
        End If
        mrc.Close
    End If
    
    
    '先删除已有记录
    txtSQL = "delete from dh where dh_no ='" & Trim(txtItem(1)) & "'"
    Set mrc = ExecuteSQL(txtSQL, msgtext)
   
    
    '再加入新记录
    txtSQL = "execute dh_setup '"
    
    txtSQL = txtSQL & Trim(txtItem(0)) & "','"
    
    txtSQL = txtSQL & Trim(Combo1(0).ItemData(Combo1(0).ListIndex)) & "','"
    
    For intCount = 1 To 3
        txtSQL = txtSQL & Trim(txtItem(intCount)) & "','"
    Next intCount
    
    
    For intCount = 4 To 7
        txtSQL = txtSQL & Trim(txtItem(intCount)) & "','"
    Next intCount
    
    
    txtSQL = txtSQL & Trim(txtItem(8)) & "'"
    Set mrc = ExecuteSQL(txtSQL, msgtext)
    MsgBox msgtext
        
   
   
                
    If gintDHmode = 1 Then
        MsgBox "添加记录成功！", vbOKOnly + vbExclamation, "添加记录"
        For intCount = 0 To 8
            txtItem(intCount) = ""
        Next intCount
        
        For intCount = 0 To 2
            Combo1(intCount).ListIndex = 0
        Next intCount
       
        
        txtItem(0) = Format(Now, "yyyy-mm-dd")
        
        mblChange = False
        
        Unload frmdh
        frmdh.txtSQL = "select dh_no,in_date,ywman,gfdm,wzdm,sl,in_danj,i_zk,i_zke,bz from dh"
        frmdh.Show
        
    ElseIf gintDHmode = 2 Then
        Unload Me
        Unload frmdh
        
        frmdh.txtSQL = "select dh_no,in_date,ywman,gfdm,wzdm,sl,in_danj,i_zk,i_zke,bz from dh"
        frmdh.Show
    End If
    
End Sub

Private Sub Combo1_Change(Index As Integer)
    mblChange = True
    
    
End Sub

Private Sub Combo1_Click(Index As Integer)
    Dim mrcc As ADODB.Recordset
    Dim mrcd As ADODB.Recordset
    Dim msgtext As String
    
    
    If Index = 1 Then
        
            txtSQL = "select gfdm  from dm_gf where mc = '" & Trim(Combo1(1)) & "'"
            Set mrcc = ExecuteSQL(txtSQL, msgtext)
                        
            If Not mrcc.EOF Then
                txtItem(2) = mrcc.Fields(0)
            End If
            
            mrcc.Close

    ElseIf Index = 2 Then
            txtSQL = "select dm  from dm_wz where mc = '" & Trim(Combo1(2)) & "'"
            Set mrcc = ExecuteSQL(txtSQL, msgtext)
                        
            If Not mrcc.EOF Then
                txtItem(3) = mrcc.Fields(0)
            End If
            
            mrcc.Close
            
    End If

End Sub

Private Sub Form_Load()
    Dim intCount As Integer
    Dim msgtext As String
    Dim i As Integer
    Dim mrc As ADODB.Recordset
    Set mrc = New ADODB.Recordset
          
    If gintDHmode = 1 Then
        Me.Caption = Me.Caption & "添加"
        For i = 0 To 8
            txtItem(i).Text = ""
        Next i
        
        For i = 0 To 2
            Combo1(i).Clear
        Next i
        
    ElseIf gintDHmode = 2 Then
        Set mrc = ExecuteSQL(txtSQL, msgtext)
        
        If mrc.EOF = False Then
            With mrc
                txtItem(0) = .Fields(0)
            
                For intCount = 1 To 3
                    txtItem(intCount) = .Fields(intCount + 1)
                Next intCount
                
                For intCount = 4 To 8
                    txtItem(intCount) = .Fields(intCount + 1)
                Next intCount
               
            End With
            txtItem(0).Enabled = False
        End If
        
        Me.Caption = Me.Caption & "修改"
    End If
    
    For i = 0 To 2
         Combo1(i).Clear
    Next i
    
    txtSQL = "select dm,mc from dm_ywy"
    Set mrc = ExecuteSQL(txtSQL, msgtext)
    
    If Not mrc.EOF Then
        Do While Not mrc.EOF
            Combo1(0).AddItem mrc.Fields(1)
            Combo1(0).ItemData(Combo1(0).NewIndex) = mrc.Fields(0)
            mrc.MoveNext
        Loop
    End If
    
    mrc.Close
    
    txtItem(0) = Format(Now, "yyyy-mm-dd")
    txtItem(0).Enabled = False
    
    txtSQL = "select mc from dm_gf"
    Set mrc = ExecuteSQL(txtSQL, msgtext)
    
    If Not mrc.EOF Then
        Do While Not mrc.EOF
            Combo1(1).AddItem mrc.Fields(0)
            mrc.MoveNext
        Loop
    End If
    
    mrc.Close
    
    txtSQL = "select mc from dm_wz"
    Set mrc = ExecuteSQL(txtSQL, msgtext)
    
    If Not mrc.EOF Then
        Do While Not mrc.EOF
            Combo1(2).AddItem mrc.Fields(0)
            mrc.MoveNext
        Loop
    End If
    
    mrc.Close
    
    
    mblChange = False
End Sub

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



Private Sub txtItem_Change(Index As Integer)
    Dim intCount As Integer
    '用于计算工资
    Dim dblTotal As Double
    
  
    '有变化设置gblchange
    mblChange = True
    
    If (Index >= 4 And Index <= 6) Then
        dblTotal = 0
        
        If Trim(txtItem(4)) <> "" And Trim(txtItem(5)) <> "" And Trim(txtItem(6)) <> "" Then
            dblTotal = CDbl(txtItem(4)) * CDbl(txtItem(5)) * CDbl(txtItem(6)) / 100
        End If
      
        txtItem(7) = Format(dblTotal, "#0.00")
        
    End If
            
    Exit Sub
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

Private Sub txtItem_KeyPress(Index As Integer, KeyAscii As Integer)
    
    If Index >= 4 And Index <= 6 Then
        'MsgBox KeyCode
        '对键入字符进行控制
        'txtQuantity(Index).Locked = False
        '小数点只允许输入一次
        If KeyAscii = 190 Then
            If InStr(Trim(txtItem(Index)), ".") = 0 Then
                If Len(Trim(txtItem(Index))) > 0 Then
                    txtItem(Index).Locked = False
                Else
                    txtItem(Index).Locked = True
                End If
            Else
                txtItem(Index).Locked = True
            End If
            Exit Sub
        End If
        '非数字不能输入
        If KeyAscii > 57 Or KeyAscii < 48 Then
            txtItem(Index).Locked = True
        Else
            txtItem(Index).Locked = False
        End If
        '允许Backspace
        If KeyAscii = 8 Then
            txtItem(Index).Locked = False
        End If
        'Delete键
        If KeyAscii = 46 Then
            txtItem(Index).Locked = False
        End If
    End If
    
    
End Sub