存储过程分页

Posted 2020-10-15 遗失的似曾相识

通用存储过程

CREATE PROCEDURE [dbo].[P_ProcPager] (
    @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

调用示例

GO

DECLARE    @return_value int,
        @recordTotal int

EXEC    @return_value = [dbo].[P_GridViewPager]
        @recordTotal = @recordTotal OUTPUT,
        @viewName = N\'Study_StudentStatistics\',
        @fieldName = N\'termcourseid,loginname\',
        @keyName = N\'id\',
        @pageSize = 200,
        @pageNo = 1,
        @orderString = N\'id\'

SELECT    @recordTotal as N\'@recordTotal\'

SELECT    \'Return Value\' = @return_value

GO

 

转自：http://www.cnblogs.com/hgmyz/p/6554784.html