通用分页存储过程(sqlserver)

< DOCTYPE html PUBLIC -WCDTD XHTML StrictEN httpwwwworgTRxhtmlDTDxhtml-strictdtd>

-- 获取指定页的数据

CREATE PROCEDURE spPagination

@tblName varchar(255), -- 表名

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

@fldName varchar(255)='', -- 排序的字段名

@PageSize int = 10, -- 页尺寸

@PageIndex int = 1, -- 页码

@doCount 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 @doCount != 0

begin

     if @strWhere !=''

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

     else

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

end

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

else

     if @OrderType != 0

      begin

       set @strTmp = "<(select min"

       set @strOrder = " order by [" + @fldName +"] desc"

       --如果@OrderType不是0，就执行降序，这句很重要！

      end

       set @strTmp = ">(select max"

       set @strOrder = " order by [" + @fldName +"] asc"

      if @PageIndex = 1

       begin

        if @strWhere != ''

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

        else

         set @strSQL = "select top " + str(@PageSize) +" "+ " 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

        --以下代码赋予了@strSQL以真正执行的SQL代码

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

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

         if @strWhere != ''

         + @tblName + "] where [" + @fldName + "]" + @strTmp + "(["

         + @fldName + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["

         + @fldName + "] from [" + @tblName + "] where " + @strWhere + " "

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

exec (@strSQL)

GO

本文转自 netcorner 博客园博客，原文链接：http://www.cnblogs.com/netcorner/archive/2007/06/30/2912349.html  ，如需转载请自行联系原作者