------------------------------------
--用途：支持任意排序的分页存储过程
--说明：
------------------------------------

CREATE PROCEDURE [dbo].[UP_GetRecordByPageOrder]

@tblName varchar(255),-- 表名
@fldName varchar(255),-- 显示字段名
@OrderfldName varchar(255),-- 排序字段名
@StatfldName varchar(255),-- 统计字段名
@PageSize int = 10,-- 页尺寸
@PageIndex int = 1,-- 页码
@IsReCount 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(1000) = '' -- 查询条件 (注意: 不要加 where)
AS

declare @strsql varchar(6000) -- 主语句
declare @strTmp varchar(100) -- 临时变量(查询条件过长时可能会出错，可修改100为1000)
declare @strOrder varchar(400) -- 排序类型

if @OrderType != 0
begin
set @strTmp = '<(select min'
set @strOrder = ' order by [' + @OrderfldName +'] desc'
end
else
begin
set @strTmp = '>(select max'
set @strOrder = ' order by [' + @OrderfldName +'] asc'
end

set @strsql = 'select top ' + str(@PageSize) + ' ' + @fldName + ' from ['
+ @tblName + '] where [' + @OrderfldName + ']' + @strTmp + '(['
+ @OrderfldName + ']) from (select top ' + str((@PageIndex-1)*@PageSize) + ' ['
+ @OrderfldName + '] from [' + @tblName + ']' + @strOrder + ') as tblTmp)'
+ @strOrder

if @strWhere != ''
set @strsql = 'select top ' + str(@PageSize) + ' ' + @fldName + ' from ['
+ @tblName + '] where [' + @OrderfldName + ']' + @strTmp + '(['
+ @OrderfldName + ']) from (select top ' + str((@PageIndex-1)*@PageSize) + ' ['
+ @OrderfldName + '] from [' + @tblName + '] where ' + @strWhere + ' '
+ @strOrder + ') as tblTmp) and ' + @strWhere + ' ' + @strOrder

if @PageIndex = 1
begin
set @strTmp = ''
if @strWhere != ''
set @strTmp = ' where ' + @strWhere

set @strsql = 'select top ' + str(@PageSize) + ' ' + @fldName + ' from ['
+ @tblName + ']' + @strTmp + ' ' + @strOrder
end


if @IsReCount != 0
set @strsql = @strsql+' select count(1) as Total from [' + @tblName + ']'

if @strWhere!=''
set @strsql = @strsql+' where ' + @strWhere
exec (@strsql)
GO