USE [Studentnew]
GO
/******
分页,调用例子如下
exec dbo.cs_GetPageOfRecords 2,1,'*','a','1=1','id',1,'id'
输入参数:每页2条,第1页,得到所有字段显示出来,表a,查询条件1=1
根据id降序排列,主键id
******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
--创建存储过程
ALTER PROCEDURE [dbo].[cs_GetPageOfRecords]
@pageSize int = 20, --分页大小
@currentPage int , --第几页
@columns varchar(1000) = '*', --需要得到的字段
@tableName varchar(100), --需要查询的表
@condition varchar(1000) = '', --查询条件, 不用加where关键字
@ascColumn varchar(100) = '', --排序的字段名 (即 order by column asc/desc)
@bitOrderType bit = 0, --排序的类型 (0为升序,1为降序)
@pkColumn varchar(50) = '' --主键名称
AS
BEGIN --存储过程开始
DECLARE @strTemp varchar(300)
DECLARE @strSql varchar(5000) --该存储过程最后执行的语句
DECLARE @strOrderType varchar(1000) --排序类型语句 (order by column asc或者order by column desc)
BEGIN
IF @bitOrderType = 1 --降序
BEGIN
SET @strOrderType = ' ORDER BY '+@ascColumn+' DESC'
SET @strTemp = '<(SELECT min'
END
ELSE --升序
BEGIN
SET @strOrderType = ' ORDER BY '+@ascColumn+' ASC'
SET @strTemp = '>(SELECT max'
END
IF @currentPage = 1 --第一页
BEGIN
IF @condition != ''
SET @strSql = 'SELECT TOP '+STR(@pageSize)+' '+@columns+' FROM '+@tableName+
' WHERE '+@condition+@strOrderType
ELSE
SET @strSql = 'SELECT TOP '+STR(@pageSize)+' '+@columns+' FROM '+@tableName+@strOrderType
END
ELSE -- 其他页
BEGIN
IF @condition !=''
SET @strSql = 'SELECT TOP '+STR(@pageSize)+' '+@columns+' FROM '+@tableName+
' WHERE '+@condition+' AND '+@pkColumn+@strTemp+'('+@pkColumn+')'+' FROM (SELECT TOP '+STR((@currentPage-1)*@pageSize)+
' '+@pkColumn+' FROM '+@tableName +'where'+@condition+@strOrderType+') AS TabTemp)'+@strOrderType
ELSE
SET @strSql = 'SELECT TOP '+STR(@pageSize)+' '+@columns+' FROM '+@tableName+
' WHERE '+@pkColumn+@strTemp+'('+@pkColumn+')'+' FROM (SELECT TOP '+STR((@currentPage-1)*@pageSize)+' '+@pkColumn+
' FROM '+@tableName+@strOrderType+') AS TabTemp)'+@strOrderType
END
END
EXEC (@strSql)
END