CREATE PROCEDURE  sp_GetRecordByPageOrder

@tblName varchar(255)='wdf1', -- 表名

@fldName varchar(1000) = '*', -- 需要返回的列

@OrderfldName varchar(255)='userid', -- 排序的字段名

@PageSize int = 10, -- 页尺寸

@PageIndex int = 1, -- 页码

@IsReCount bit = 0, -- 返回记录总数, 非 0 值则返回

@OrderType bit = 0, -- 设置排序类型, 非 0 值则降序

@strWhere varchar(1500) = '' -- 查询条件 (注意: 不要加 where)

AS

declare @strSQL varchar(5000) -- 主语句

declare @strTmp varchar(110) -- 临时变量

declare @strOrder varchar(400) -- 排序类型

if @IsReCount != 0

begin

if @strWhere !=''

set @strSQL = 'select count(*) as Total from [' + @tblName + '] where '+@strWhere

else

set @strSQL = 'select count(*) as Total from [' + @tblName + ']'

end

--以上代码的意思是如果@IsReCount传递过来的不是0，就执行总数统计。以下的所有代码都是@IsReCount为0的情况

else

begin

if @OrderType != 0

begin

set @strTmp = '<(select min'

set @strOrder = ' order by [' + @OrderfldName +'] desc'

--如果@OrderType不是0，就执行降序，这句很重要！

end

else

begin

set @strTmp = '>(select max'

set @strOrder = ' order by [' + @OrderfldName +'] asc'

end

if @PageIndex = 1

begin

if @strWhere != ''

set @strSQL = 'select top ' + str(@PageSize) +' '+@fldName+ ' from [' + @tblName + '] where ' + @strWhere + ' ' + @strOrder

else

set @strSQL = 'select top ' + str(@PageSize) +' '+@fldName+ ' from ['+ @tblName + '] '+ @strOrder

--如果是第一页就执行以上代码，这样会加快执行速度

end

else

begin

--以下代码赋予了@strSQL以真正执行的SQL代码

set @strSQL = 'select top ' + str(@PageSize) +' '+@fldName+ ' from ['

+ @tblName + '] where [' + @OrderfldName + ']' + @strTmp + '(['+ @OrderfldName + ']) from (select top ' + str((@PageIndex-1)*@PageSize) + ' ['+ @OrderfldName + '] from [' + @tblName + ']' + @strOrder + ') as tblTmp)'+ @strOrder

if @strWhere != ''

set @strSQL = 'select top ' + str(@PageSize) +' '+@fldName+ ' from ['

+ @tblName + '] where [' + @OrderfldName + ']' + @strTmp + '(['

+ @OrderfldName + ']) from (select top ' + str((@PageIndex-1)*@PageSize) + ' ['

+ @OrderfldName + '] from [' + @tblName + '] where ' + @strWhere + ' '

+ @strOrder + ') as tblTmp) and ' + @strWhere + ' ' + @strOrder

end

end

exec (@strSQL)
GO