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--用途：分页存储过程(对有主键的表效率极高)
--说明：
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ALTER PROCEDURE [UP_GetRecordByPage]
@tblName varchar(255),-- 表名
@fldName varchar(255),-- 主键字段名
@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
declare @strOrder varchar(400) -- 排序类型
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
set @strsql = 'select top ' + str(@PageSize) + ' * from ['
+ @tblName + '] where [' + @fldName + ']' + @strTmp + '(['
+ @fldName + ']) from (select top ' + str((@PageIndex-1)*@PageSize) + ' ['
+ @fldName + '] from [' + @tblName + ']' + @strOrder + ') as tblTmp)'
+ @strOrder
if @strWhere != ''
set @strsql = 'select top ' + str(@PageSize) + ' * from ['
+ @tblName + '] where [' + @fldName + ']' + @strTmp + '(['
+ @fldName + ']) from (select top ' + str((@PageIndex-1)*@PageSize) + ' ['
+ @fldName + '] 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) + ' * from ['
+ @tblName + ']' + @strTmp + ' ' + @strOrder
end
if @IsReCount != 0
set @strsql = 'select count(*) as Total from [' + @tblName + ']'+' where ' + @strWhere
exec (@strsql)