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SQL Server使用row_number分页的实现方法

2017年12月08日  | 移动技术网IT编程  | 我要评论

望奎天气预报,电脑没有声音图标,周雅菲 莫科

本文为大家分享了sql server使用row_number分页的实现方法,供大家参考,具体内容如下

1、首先是

select row_number() over(order by id asc) as 'rownumber', * from table1

生成带序号的集合

2、再查询该集合的 第 1  到第 5条数据

  select * from 
  (select row_number() over(order by id asc) as 'rownumber', * from table1) as temp
  where rownumber between 1 and 5

完整的sql语句

declare @pagesize int; declare @pageindex int; set @pagesize = 3

set @pageindex = 1; --第一页

select * from (select row_number() over(order by id asc) as 'rownumber', * from table1) as temp where rownumber between (((@pageindex-1)*@pagesize)+1) and (@pageindex*@pagesize)

set @pageindex = 2; --第二页

select * from (select row_number() over(order by id asc) as 'rownumber', * from table1) as temp where rownumber between (((@pageindex-1)*@pagesize)+1) and (@pageindex*@pagesize)

set @pageindex = 3; --第三页

select * from (select row_number() over(order by id asc) as 'rownumber', * from table1) as temp where rownumber between (((@pageindex-1)*@pagesize)+1) and (@pageindex*@pagesize)

set @pageindex = 4;--第四页

select * from (select row_number() over(order by id asc) as 'rownumber', * from table1) as temp where rownumber between (((@pageindex-1)*@pagesize)+1) and (@pageindex*@pagesize)

 下面我们来写个存储过程分页 

alter procedure pagepager  

@tablename varchar(80),  

@file varchar(1000),---  

@where varchar(500),---带and连接  

@orderfile varchar(100), -- 排序字段  

@ordertype varchar(10),--asc:顺序,desc:倒序  

@pagesize varchar(10), --  

@pageindex varchar(10) -- 

as   

if(isnull(@orderfile, '') = '')  

begin   

set @orderfile = 'id';  

end  

if(isnull(@ordertype,'') = '')  

begin   

set @ordertype = 'asc'  

end  

if(isnull(@file,'') = '')  

begin   

set @file = '*'  

end   

declare @select varchar(8000)  

set @select = '  select ' + @file + ' from   (    select *,row_number() over(order by ' + @orderfile + ' '+ @ordertype + ') as ''rownumber''  from ' + @tablename + '  where 1=1 ' + @where + '   ) temp where rownumber between (((' + @pageindex + ' - 1) * ' + @pagesize + ')+1) and (' + @pageindex + '*'+ @pagesize+')'  
exec(@select)

以上就是本文的全部内容,希望对大家学习row_number分页有所帮助。

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