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SQL Server使用row_number分页的实现方法

2020-05-06 16:12ajunfly Sql Server

这篇文章主要为大家详细介绍了SQL Server使用row_number分页的实现方法,具有一定的参考价值,感兴趣的朋友可以参考一下

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

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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

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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 

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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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