分页存储过程

CREATE PROCEDURE GetRecordFromPage
@tblName varchar(255), -- 表名
@fldName varchar(255), -- 字段名
@PageSize int = 10, -- 页尺寸
@PageIndex int = 1, -- 页码
@OrderType bit = 0, -- 设置排序类型, 非 0 值则降序
@strWhere varchar(2000) = '' -- 查询条件 (注意: 不要加 where)
AS

declare @strSQL varchar(6000) -- 主语句
declare @strTmp varchar(1000) -- 临时变量
declare @strOrder varchar(500) -- 排序类型

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

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

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

else begin
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
else
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

end

exec (@strSQL)

GO