MSSQL通用分页过程

USE [AiFashionDining]
GO

/****** Object: StoredProcedure [dbo].[pv_page_search] Script Date: 04/04/2018 18:20:07 ******/
SET ANSI_NULLS ON
GO

SET QUOTED_IDENTIFIER ON
GO

CREATE PROCEDURE [dbo].[pv_page_search]
@tblName varchar(max), -- 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 = 1, -- 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
declare @strCheck varchar(400) --处理两表比对字段同名时出现的问题，直接取.后面的字段名做为变量

select @strCheck=substring(@fldName,CHARINDEX('.',@fldName)+1,LEN(@fldName))

if @doCount != 0
begin
if @strWhere !=''
set @strSQL = 'select count(*) as Total from ' + @tblName + ' where '+@strWhere
else
set @strSQL = 'select count(*) as Total from ' + @tblName + ' '
end
else
begin
if @OrderType != 0
begin
set @strTmp = '<(select min'
set @strOrder = ' order by ' + @fldName +' desc'
end
else
begin
set @strTmp = '>(select max'
set @strOrder = ' order by ' + @fldName +' asc'
end

if @PageIndex = 1
begin
if @strWhere != ''

set @strSQL = 'select top ' + str(@PageSize) +' '+@strGetFields+ '
from ' + @tblName + ' where ' + @strWhere + ' ' + @strOrder
else

set @strSQL = 'select top ' + str(@PageSize) +' '+@strGetFields+ '
from '+ @tblName + ' '+ @strOrder
end
else
begin
set @strSQL = 'select top ' + str(@PageSize) +' '+@strGetFields+ ' from '
+ @tblName + ' where ' + @fldName + '' + @strTmp + '('+ @strCheck + ')
from (select top ' + str((@PageIndex-1)*@PageSize) + ' '+ @fldName + '
from ' + @tblName + '' + @strOrder + ') as tblTmp)'+ @strOrder
if @strWhere != ''
set @strSQL = 'select top ' + str(@PageSize) +' '+@strGetFields+ ' from '
+ @tblName + ' where ' + @fldName + ' ' + @strTmp + '('
+ @strCheck + ') from (select top ' + str((@PageIndex-1)*@PageSize) + ' '
+ @fldName + ' from ' + @tblName + ' where ' + @strWhere + ' '
+ @strOrder + ') as tblTmp) and ' + @strWhere + ' ' + @strOrder
end

end

print(@strSQL)

exec (@strSQL)