一个分页存储过程代码

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代码如下:

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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)