if @doCount != 0 begin if @strWhere !='' set @strSQL = 'select count(*) as Total from [' + @tblName + '] where '+ @strWhere else set @strSQL ='select count(*) as Total from [' + @tblName + ']' end --以上代碼的意思是如果@doCount傳遞過來的不是0,就執行總數統計。以下的所有代碼都是@doCount為0的情況
else
begin
if @OrderType != 0
begin set @strTmp = '<(select min'
set @strOrder = 'order by ['+ @fldName +'] desc'
--如果@OrderType不是0,就執行降序,這句很重要!
end
else
begin
set @strTmp = '>(select max'
set @strOrder =' order by [' + @fldName +'] asc'
end
if @PageIndex = 1
begin
if @strWhere != ''
set @strSQL = 'select top ' + str(@PageSize) +' '+@strGetFIElds+ ' from [' + @tblName + '] where ' + @strWhere + ' ' + @strOrder
else
set @strSQL = 'select top ' + str(@PageSize) +' '+@strGetFIElds+ ' from ['+ @tblName + '] '+ @strOrder
--如果是第一頁就執行以上代碼,這樣會加快執行速度
end
else
begin
--以下代碼賦予了@strSQL以真正執行的SQL代碼
set @strSQL = 'select top ' + str(@PageSize) +' '+@strGetFIElds+ ' from ['+ @tblName + '] where [' + @fldName + ']' + @strTmp + '(['+ @fldName + ']) from (select top ' + str((@PageIndex-1)*@PageSize) + ' ['+ @fldName + '] from [' + @tblName + ']' + @strOrder + ') as tblTmp)'+ @strOrder if @strWhere != ''
set @strSQL = 'select top ' + str(@PageSize) +' '+@strGetFIElds+ ' from ['+ @tblName + '] where [' + @fldName + ']' + @strTmp + '(['+ @fldName + ']) from (select top ' + str((@PageIndex-1)*@PageSize) + ' ['+ @fldName + '] from [' + @tblName + '] where ' + @strWhere + ' '+ @strOrder + ') as tblTmp) and ' + @strWhere + ' ' + @strOrder