明霞山资源网 Design By www.htccd.com
复制代码 代码如下:
CREATE PROCEDURE [dbo].[up_Pager]
@table varchar(2000), --表名
@col varchar(50), --按该列来进行分页
@orderby bit, --排序,0-顺序,1-倒序
@collist varchar(800),--要查询出的字段列表,*表示全部字段
@pagesize int, --每页记录数
@page int, --指定页
@condition varchar(800) --查询条件
AS
DECLARE @sql nvarchar(4000),@where1 varchar(800),@where2 varchar(800),
@total_Item int,@total_Page int
IF @condition is null or rtrim(@condition)=''
BEGIN--没有查询条件
SET @where1=' WHERE '
SET @where2=' '
END
ELSE
BEGIN--有查询条件
SET @where1=' WHERE ('+@condition+') AND '--本来有条件再加上此条件
SET @where2=' WHERE ('+@condition+') '--原本没有条件而加上此条件
END
SET @sql='SELECT @total_Item=CEILING((COUNT(*)+0.0)'+') FROM '+@table+ @where2
EXEC sp_executesql @sql,N'@total_Item int OUTPUT',@total_Item OUTPUT --计算总条数
set @total_Page = Ceiling((@total_Item+0.0)/@pagesize) --计算页总数
IF @orderby=0
SET @sql='SELECT TOP '+CAST(@pagesize AS varchar)+' '+@collist+
' , '+ CAST(@total_Item AS varchar) + ' as total_Item' +
' , '+CAST(@total_Page AS varchar) + ' as total_Page' +
' FROM mailto:'+@table+@where1+@col+'%3E(SELECT MAX('+@col+') '+
' FROM (SELECT TOP '+CAST(@pagesize*(@page-1) AS varchar)+' '+
@col+' FROM '+@table+@where2+'ORDER BY '+@col+') t) ORDER BY '+@col
ELSE
SET @sql='SELECT TOP '+CAST(@pagesize AS varchar)+' '+@collist+
' , '+ CAST(@total_Item AS varchar) + ' as total_Item' +
' , '+CAST(@total_Page AS varchar) + ' as total_Page' +
' FROM mailto:'+@table+@where1+@col+'%3C(select MIN('+@col+') '+
' FROM (SELECT TOP '+CAST(@pagesize*(@page-1) AS varchar)+' '+
@col+' FROM '+@table+@where2+'ORDER BY '+@col+' DESC) t) ORDER BY '+
@col+' DESC'
IF @page=1--第一页
SET @sql='SELECT TOP '+CAST(@pagesize AS varchar)+' '+@collist+
' , '+ CAST(@total_Item AS varchar) + ' as total_Item' +
' , '+CAST(@total_Page AS varchar) + ' as total_Page' +
' FROM '+@table+
@where2+'ORDER BY '+@col+CASE @orderby WHEN 0 THEN '' ELSE ' DESC' END
--print @sql
EXEC(@sql)
在SQL中测试(教你如何使用)
复制代码 代码如下:
EXEC up_Pager '(SELECT * FROM 表名)aa','要排序的列名',0-顺序或1-倒序,'显示列',每页记录数,指定页,'条件'
EXEC up_Pager '(SELECT * FROM T_Gather_Page)aa','SaveTime',1,'*',40,3,''
CREATE PROCEDURE [dbo].[up_Pager]
@table varchar(2000), --表名
@col varchar(50), --按该列来进行分页
@orderby bit, --排序,0-顺序,1-倒序
@collist varchar(800),--要查询出的字段列表,*表示全部字段
@pagesize int, --每页记录数
@page int, --指定页
@condition varchar(800) --查询条件
AS
DECLARE @sql nvarchar(4000),@where1 varchar(800),@where2 varchar(800),
@total_Item int,@total_Page int
IF @condition is null or rtrim(@condition)=''
BEGIN--没有查询条件
SET @where1=' WHERE '
SET @where2=' '
END
ELSE
BEGIN--有查询条件
SET @where1=' WHERE ('+@condition+') AND '--本来有条件再加上此条件
SET @where2=' WHERE ('+@condition+') '--原本没有条件而加上此条件
END
SET @sql='SELECT @total_Item=CEILING((COUNT(*)+0.0)'+') FROM '+@table+ @where2
EXEC sp_executesql @sql,N'@total_Item int OUTPUT',@total_Item OUTPUT --计算总条数
set @total_Page = Ceiling((@total_Item+0.0)/@pagesize) --计算页总数
IF @orderby=0
SET @sql='SELECT TOP '+CAST(@pagesize AS varchar)+' '+@collist+
' , '+ CAST(@total_Item AS varchar) + ' as total_Item' +
' , '+CAST(@total_Page AS varchar) + ' as total_Page' +
' FROM mailto:'+@table+@where1+@col+'%3E(SELECT MAX('+@col+') '+
' FROM (SELECT TOP '+CAST(@pagesize*(@page-1) AS varchar)+' '+
@col+' FROM '+@table+@where2+'ORDER BY '+@col+') t) ORDER BY '+@col
ELSE
SET @sql='SELECT TOP '+CAST(@pagesize AS varchar)+' '+@collist+
' , '+ CAST(@total_Item AS varchar) + ' as total_Item' +
' , '+CAST(@total_Page AS varchar) + ' as total_Page' +
' FROM mailto:'+@table+@where1+@col+'%3C(select MIN('+@col+') '+
' FROM (SELECT TOP '+CAST(@pagesize*(@page-1) AS varchar)+' '+
@col+' FROM '+@table+@where2+'ORDER BY '+@col+' DESC) t) ORDER BY '+
@col+' DESC'
IF @page=1--第一页
SET @sql='SELECT TOP '+CAST(@pagesize AS varchar)+' '+@collist+
' , '+ CAST(@total_Item AS varchar) + ' as total_Item' +
' , '+CAST(@total_Page AS varchar) + ' as total_Page' +
' FROM '+@table+
@where2+'ORDER BY '+@col+CASE @orderby WHEN 0 THEN '' ELSE ' DESC' END
--print @sql
EXEC(@sql)
在SQL中测试(教你如何使用)
复制代码 代码如下:
EXEC up_Pager '(SELECT * FROM 表名)aa','要排序的列名',0-顺序或1-倒序,'显示列',每页记录数,指定页,'条件'
EXEC up_Pager '(SELECT * FROM T_Gather_Page)aa','SaveTime',1,'*',40,3,''
标签:
分页,存储过程
明霞山资源网 Design By www.htccd.com
广告合作:本站广告合作请联系QQ:858582 申请时备注:广告合作(否则不回)
免责声明:本站文章均来自网站采集或用户投稿,网站不提供任何软件下载或自行开发的软件! 如有用户或公司发现本站内容信息存在侵权行为,请邮件告知! 858582#qq.com
免责声明:本站文章均来自网站采集或用户投稿,网站不提供任何软件下载或自行开发的软件! 如有用户或公司发现本站内容信息存在侵权行为,请邮件告知! 858582#qq.com
明霞山资源网 Design By www.htccd.com
暂无评论...
RTX 5090要首发 性能要翻倍!三星展示GDDR7显存
三星在GTC上展示了专为下一代游戏GPU设计的GDDR7内存。
首次推出的GDDR7内存模块密度为16GB,每个模块容量为2GB。其速度预设为32 Gbps(PAM3),但也可以降至28 Gbps,以提高产量和初始阶段的整体性能和成本效益。
据三星表示,GDDR7内存的能效将提高20%,同时工作电压仅为1.1V,低于标准的1.2V。通过采用更新的封装材料和优化的电路设计,使得在高速运行时的发热量降低,GDDR7的热阻比GDDR6降低了70%。