mssql 高效的分页存储过程分享

CREATE PROCEDURE [dbo].[P_GridViewPager] (
     @recordTotal INT OUTPUT,            --输出记录总数
     @viewName VARCHAR(800),             --表名
     @fieldName VARCHAR(800) = '*',      --查询字段
     @keyName VARCHAR(200) = 'Id',       --索引字段
     @pageSize INT = 20,                 --每页记录数
     @pageNo INT =1,                     --当前页
     @orderString VARCHAR(200),          --排序条件
     @whereString VARCHAR(800) = '1=1'   --WHERE条件
)
 AS
 BEGIN
      DECLARE @beginRow INT
      DECLARE @endRow INT
      DECLARE @tempLimit VARCHAR(200)
      DECLARE @tempCount NVARCHAR(1000)
      DECLARE @tempMain VARCHAR(1000)
      --declare @timediff datetime

      set nocount on
      --select @timediff=getdate() --记录时间

      SET @beginRow = (@pageNo - 1) * @pageSize    + 1
      SET @endRow = @pageNo * @pageSize
      SET @tempLimit = 'rows BETWEEN ' + CAST(@beginRow AS VARCHAR) +' AND '+CAST(@endRow AS VARCHAR)

      --输出参数为总记录数
      SET @tempCount = 'SELECT @recordTotal = COUNT(*) FROM (SELECT '+@keyName+' FROM '+@viewName+' WHERE '+@whereString+') AS my_temp'
      EXECUTE sp_executesql @tempCount,N'@recordTotal INT OUTPUT',@recordTotal OUTPUT

      --主查询返回结果集
      SET @tempMain = 'SELECT * FROM (SELECT ROW_NUMBER() OVER (order by '+@orderString+') AS rows ,'+@fieldName+' FROM '+@viewName+' WHERE '+@whereString+') AS main_temp WHERE '+@tempLimit

      --PRINT @tempMain
      EXECUTE (@tempMain)
      --select datediff(ms,@timediff,getdate()) as 耗时

      set nocount off
 END

 GO