SQL分页存储过程

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CREATE PROCEDURE PrcPager
-- 获得某一页的数据 --
@currPage int = 1,                                 --当前页页码 (即Top currPage)
@showColumn varchar(2000) = '*',        --需要得到的字段 (即 column1,column2,......)
@tabName varchar(2000),                    --需要查看的表名 (即 from table_name)
@strCondition varchar(2000) = '',           --查询条件 (即 where condition......) 不用加where关键字
@ascColumn varchar(100) = '',              --排序的字段名 (即 order by column asc/desc)
@bitOrderType bit = 0,                          ---排序的类型 (0为升序,1为降序)
@pkColumn varchar(50) = '',                 --主键名称
@pageSize int = 20                               --分页大小
AS
BEGIN -- 存储过程开始
-- 该存储过程需要用到的几个变量
DECLARE @strSql varchar(4000)           --该存储过程最后执行的语句
DECLARE @strOrderType varchar(1000)     --排序类型语句 (order by column asc或者order by column desc)
BEGIN
IF @bitOrderType = 1   -- bitOrderType=1即执行降序
BEGIN
    SET @strOrderType = ' ORDER BY '+@ascColumn+' DESC'
END
ELSE
BEGIN
    SET @strOrderType = ' ORDER BY '+@ascColumn+' ASC'
END
IF @currPage = 1    -- 如果是第一页
BEGIN
    IF @strCondition != ''
        SET @strSql = 'SELECT TOP '+STR(@pageSize)+' '+@showColumn+' FROM '+@tabName+
            ' WHERE '+@strCondition+@strOrderType
    ELSE
        SET @strSql = 'SELECT TOP '+STR(@pageSize)+' '+@showColumn+' FROM '+@tabName+@strOrderType
END
ELSE    -- 其他页
BEGIN
    IF @strCondition !=''
SET @strSql ='select top '+str(@pageSize)+' '+@showColumn+' from (select top '+str(@currPage*@pageSize)+@showColumn+' from '
+@tabName+' WHERE ('+@strCondition+') '+@strOrderType+') as temp where '+@pkColumn+' not in(SELECT TOP '+STR((@currPage-1)*@pageSize)
+' '+@pkColumn+ ' FROM '+@tabName+' WHERE ('+@strCondition+') ' +@strOrderType+')'
    ELSE
SET @strSql ='select top '+str(@pageSize)+' '+@showColumn+' from (select top '+str(@currPage*@pageSize)+@showColumn+' from '+@tabName+@strOrderType+') as temp'
+' where '+@pkColumn+' not in(SELECT TOP '+STR((@currPage-1)*@pageSize)+' '+@pkColumn+ ' FROM '+@tabName+@strOrderType+')'
END
END
EXEC (@strSql)
END -- 存储过程结束
GO

PrcPager 2,'*','news','','addTime',1,'newsId',15