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分类计算余额的函数

1970-1-1 08:00| 发布者: fan0217@163.com| 查看: 3410| 评论: 0

函数名称:    计算余额
'-功能描述:    分类计算余额
'-输入参数说明: 参数1: 必选 str表 As String 计算余额的表名称
'             参数2: 必选 str日期 As String 日期排序的字段名称
'             参数3: 必选 str分类 As String 分类的字段名称，字段类型：数字
'             参数4: 必选 str借方 As String 计算余额增加方字段名称，字段类型：数字
'             参数5: 必选 str贷方 As String 计算余额减少方字段名称，字段类型：数字
'             参数6: 必选 str余额 As String 计算的余额字段，字段类型：数字
'-返回参数说明: 计算成功返回True；计算失败返回False
'-使用语法示例: bln = 计算余额("银行存款", "日期", "银行", "存入", "提款", "余额")
'-参考:
'-使用注意:    使用本函数时请保留函数信息内容，需要引用ADO
'-兼容性:    2000,XP,2003

'
'===============================================================================
Function 计算余额(str表 As String, _
            str日期 As String, _
            str分类 As String, _
            str借方 As String, _
            str贷方 As String, _
            str余额 As String) As Boolean
On Error GoTo Err_计算余额
Dim conn As New ADODB.Connection
Dim rs As New Recordset
Dim rsTemp As New Recordset
Dim strSQL As String
Dim dblBalance As Double
Set conn = CurrentProject.Connection
strSQL = "SELECT DISTINCT " & str分类 & " FROM " & str表
rsTemp.Open strSQL, conn, adOpenKeyset, adLockOptimistic
Do While Not rsTemp.EOF
      strSQL = "SELECT * FROM " & str表
      strSQL = strSQL & " WHERE " & str分类 & " = " & rsTemp(str分类)
      '如果分类字段的数据类型为文本，请使用以下这句代码
      'strSQL = strSQL & " WHERE " & str分类 & " = '" & rsTemp(str分类) & "'"
      strSQL = strSQL & " ORDER BY " & str日期 & ";"
      rs.Open strSQL, conn, adOpenKeyset, adLockOptimistic
      dblBalance = 0
         Do While Not rs.EOF
            rs(str余额) = Nz(rs(str借方), 0) - Nz(rs(str贷方), 0) + dblBalance
            dblBalance = rs(str余额)
            rs.Update
            rs.MoveNext
         Loop
         rs.Close
      rsTemp.MoveNext
Loop
计算余额 = True

rsTemp.Close
Set rsTemp = Nothing
Set rs = Nothing
Set conn = Nothing

Exit_计算余额:
Exit Function

Err_计算余额:
计算余额 = False
Set rsTemp = Nothing
Set rs = Nothing
Set conn = Nothing
MsgBox Err.Description
Resume Exit_计算余额
End Function

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分类计算余额的函数

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