用函数简化你的字符串连接语句

时　间:2008-04-17 08:59:27
作　者:UMVSOFT整理   ID：16  城市：江阴
摘　要:用函数简化你的字符串连接语句 

正　文:

'2004/07/27 朱彦志(goodidea) myad@yeah.net

'你是否非常讨厌 用 & 一大串的连接变量？
'你是否不得不经常使用""与"""" ？
'就好像这样：
'strFilter = strFilter & " and [" & strFldname & "] like """ & strValue & """"
'
'strSql ="insert into tblpubStyle (Class,Prop,Value,Type,[Set],memo,flag) values ('" & _
' ctl.ControlType & "','" & _
' prp.Name & "','" & _
' prp.Value & "','" & _
' prp.Type & "', " & _
' 2 & "," & _
' "' ', " & _
' false ")"
'
'strCnn = "Provider=sqloledb;" & _

' "Data Source=" & strServerName & ";" & _
' "Initial Catalog=" & strDbname & ";" & _
' "User Id=" & strUid & ";" & _
' "Password=" & strPwd & ";"
'
'用它，gCombinationString，这个十分简单的函数，让冗长的代码更简洁,增强语句可读性
'以下是它的使用典型形式：
'strFilter = gCombinationString( "$1 and [$2] like ""$3""",strFilter,strFldname,strValue)
'strCnn= gCombinationString("Provider=sqloledb;Data Source=$1;Initial Catalog=$2;User Id=$3;Password=$4;",_
' strServerName ,strDbname ,strUid, strPwd)
'参数个数不限，参数类型不限
' strSql = gCombinationString("insert into tblpubStyle (Class,Prop,Value,Type,[Set],memo,flag) " & _
' " values ('$1','$2','$3','$4',$5,$6)", _
' ctl.ControlType, prp.Name, prp.Value, prp.Type, 2, False)
'

Const strCharPre = "$"
Dim varItem As Variant
Dim i As Integer

i = 0
For Each varItem In Para
i = i + 1
strText = VBA.Replace(strText, strCharPre & i, varItem)
strText = VBA.Replace(strText, strCharPre & "\", strCharPre)
Next
gCombinationString = strText
End Function


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