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--創建測試表
if object_id('person') is not null
drop table person

create table person
(
id int primary key identity(1,1),
username varchar(50),
age int,
remark varchar(100)
)

--插入測試數據
declare @i int
set @i = 0
while @i < 100
begin
insert into person values('zdw' + convert(varchar(5),@i),@i,convert(varchar(5),@i))
set @i = @i + 1
end
go

select * from person

 /**//*
* 分頁存儲過程
* 功能描述:對指定表中滿足條件的記錄按指定列進行分頁查詢,分頁可以順序、倒序
* 查詢可以指定頁大小、指定查詢任意頁、指定輸出字段列表
*/
CREATE PROCEDURE sp_page
@tb varchar(50), --表名
@col varchar(50), --按該列來進行分頁
@coltype int, --@col列的類型,0-數字類型,1-字符類型,2-日期時間類型
@orderby bit, --排序,0-順序,1-倒序
@collist varchar(800),--要查詢出的字段列表,*表示全部字段
@selecttype int, --查詢類型,1-前頁,2-后頁,3-首頁,4-末頁,5-指定頁
@pagesize int, --每頁記錄數
@page int, --指定頁
@minid varchar(50), --當前頁最小號
@maxid varchar(50), --當前頁最大號
@condition varchar(800) --查詢條件
AS
DECLARE @sql nvarchar(4000),@where1 varchar(800),@where2 varchar(800)
DECLARE @i int,@id varchar(50)
IF @coltype=1 or @coltype=2--字段類型為字符或日期時間要加上引號以作比較用
BEGIN
SET @minid=''''+@minid+''''
SET @maxid=''''+@maxid+''''
END
IF @condition is null or rtrim(@condition)=''--沒有查詢條件
BEGIN
SET @where1=' WHERE '
SET @where2=' '
END
ELSE--有查詢條件
BEGIN
SET @where1=' WHERE ('+@condition+') AND '--本來有條件再加上此條件
SET @where2=' WHERE ('+@condition+') '--原本沒有條件而加上此條件
END
SET @sql=
CASE @selecttype
WHEN 1--前頁
THEN 'SELECT * FROM (SELECT TOP '+CAST(@pagesize AS varchar)+
' '+@collist+' FROM '+@tb+@where1+@col+
CASE @orderby WHEN 0 THEN '<'+@minid ELSE '>'+@maxid END+
' ORDER BY '+@col+CASE @orderby WHEN 0 THEN ' DESC' ELSE '' END+
') t ORDER BY '+@col+CASE @orderby WHEN 0 THEN '' ELSE 'DESC' END
WHEN 2--后頁
THEN 'SELECT TOP '+CAST(@pagesize AS varchar)+' '+@collist+
' FROM '+@tb+@where1+@col+
CASE @orderby WHEN 0 THEN '>'+@maxid ELSE '<'+@minid END+
' ORDER BY '+@col+CASE @orderby WHEN 0 THEN '' ELSE ' DESC' END
WHEN 3--首頁
THEN 'SELECT TOP '+CAST(@pagesize AS varchar)+' '+@collist+
' FROM '+@tb+@where2+'ORDER BY '+@col+
CASE @orderby WHEN 0 THEN '' ELSE ' DESC' END
WHEN 4--末頁
THEN 'SELECT * FROM (SELECT TOP '+CAST(@pagesize AS varchar)+' '+
@collist+' FROM '+@tb+@where2+'ORDER BY '+@col+
CASE @orderby WHEN 0 THEN ' DESC' ELSE '' END+') t ORDER BY '+
@col+CASE @orderby WHEN 0 THEN '' ELSE ' DESC' END
END
IF @selecttype>=1 and @selecttype<=4
BEGIN
EXEC(@sql)
RETURN
END
ELSE
BEGIN--指定頁
IF @coltype=1
IF @orderby =0
SET @id=''''''
ELSE
SET @id=''''+CHAR(255)+''''
ELSE
IF @coltype=2
IF @orderby =0
SET @id='''1753-1-1'''
ELSE
SET @id='''9999-12-31'''
ELSE
IF @orderby =0
SET @id='-2147483648'
ELSE
SET @id='2147483647'
SET @i=0
--為減少之后SELECT TOP 的數據量,此處每10000條循環一次,以盡可能接近所查詢頁
WHILE @i<@pagesize*@page
BEGIN
IF @i+10000<@pagesize*@page
BEGIN
IF @orderby=0
SET @sql='SELECT @id=CASE '+CAST(@coltype AS varchar)+
' WHEN 1 THEN ''''''''+CAST(MAX('+@col+') AS varchar(50))+'+
''''''''''+
' WHEN 2 THEN ''''''''+CONVERT(char(23),MAX('+@col+'),121)+'+
''''''''''+
' ELSE CAST(MAX('+@col+') AS varchar) END FROM (SELECT TOP 10000 '+
@col+' FROM '+@tb+@where1+@col+'>'+@id+' ORDER BY '+@col+') t'
ELSE
SET @sql='SELECT @id=CASE '+CAST(@coltype AS varchar)+
' WHEN 1 THEN ''''''''+CAST(MIN('+@col+') AS varchar(50))+'+
''''''''''+
' WHEN 2 THEN ''''''''+CONVERT(char(23),MIN('+@col+'),121)+'+
''''''''''+
' ELSE CAST(MIN('+@col+') AS varchar) END FROM (SELECT TOP 10000 '+
@col+' FROM '+@tb+@where1+@col+'<'+@id+' ORDER BY '+@col+' DESC) t'
EXEC sp_executesql @sql,N'@id varchar(50) OUTPUT',@id OUTPUT
SET @i=@i+10000
IF @i+10000>=@pagesize*@page
BREAK
END
ELSE
BREAK
END
--上面的循環保證下面的子查詢最多只有10000條數據
IF @orderby=0
SET @sql='SELECT TOP '+CAST(@pagesize AS varchar)+' '+@collist+
' FROM '+@tb+@where1+@col+'>'+@id+' AND '+@col+' NOT IN'+
'(SELECT TOP '+CAST(@pagesize*(@page-1)-@i AS varchar)+
' '+@col+' FROM '+@tb+@where1+@col+'>'+@id+' ORDER BY '+@col+
') ORDER BY '+@col
ELSE
SET @sql='SELECT TOP '+CAST(@pagesize AS varchar)+' '+@collist+
' FROM '+@tb+@where1+@col+'<'+@id+' AND '+@col+' NOT IN'+
'(SELECT TOP '+CAST(@pagesize*(@page-1)-@i AS varchar)+
' '+@col+' FROM '+@tb+@where1+@col+'<'+@id+' ORDER BY '+@col+
' DESC) ORDER BY '+@col+' DESC'
EXEC(@sql)
END
GO
--測試
exec sp_page 'person','id',0,0,'*',5,10,8,'','','id != 77'
對于比較簡單的分頁需求,一句sql搞定。
--第一個10表示pagesize,第二個10用pagesize*(pagenum-1)來算
--比如取第2頁10 * (2-1) ,第3頁 10 * (3 -1)
select top 10 * from person where id not in (select top 10 id from person)

大家還有什么好的分頁sql都拿出來分享下吧。
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