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sql写分页加条件判断

发布时间: 2022-06-26 04:01:01

1. sql条件分页问题

select*from(select*,row_number()over(orderbyid)asNumfromtabwhere.............)twheret.Num>10andt.Num<=20

2. 满足SQL条件的分页代码

<%
name1=request.QueryString("name")
set rs=server.CreateObject("adodb.recordset")
sqla="select * from new where n_iji='"&name1&"' order by n_id desc"
rs.open sqla,conn,1,3

if rs.eof and rs.bof then
response.Write("no record")
else

'----------------分页部分参数------------------
rs.pagesize=20 '每页记录条数
curpage=Request.QueryString("curpage") '将URL参数curpage传给curpage变量
if curpage="" then curpage="1" end if '初始化页数
rs.absolutepage=curpage '将本页设为curpage设置的页数

for i= 1 to rs.pagesize
if rs.eof then
exit for
end if
%>
内容
<%
rs.movenext
next
end if
%>

----------------翻页部分-----------------
<%if curpage=1 then%>
<a title="Top"><font face="webdings" color="#000000" >9</font></a>
<%else%>
<a href="?curpage=1&name=<%=name1%>" title="Top"><font face="webdings" color="#000000" >9</font></a>
<%end if%>
<%if curpage=1 then%>
<a title="Previous")><font face="webdings" color="#000000" >3</font></a>
<%else%>
<a href="?curpage=<%=curpage-1%>&name=<%=name1%>" title="Previous"><font face="webdings" color="#000000">3</font></a>
<%end if%>
<%=curpage%> ⁄ <%=rs.pagecount%>
<%if rs.pagecount<curpage+1 then%>
<a title="Next"><font face="webdings" color="#000000" >4</font></a>
<%else%>
<a href="?curpage=<%=curpage+1%>&name=<%=name1%>" title="Next"><font face="webdings" color="#000000" >4</font></a>
<%end if%>
<%if rs.pagecount<curpage+1 then%>
<a title="Bottom"><font face="webdings" color="#000000" >:</font></a>
<%else%>
<a href="?curpage=<%=rs.pagecount%>&name=<%=name1%>" title="Bottom"><font face="webdings" color="#000000" >:</font></a>
<%end if%>

3. sql存储过程定义多条件查询加分页

给你一个强大至极的分页存储过程(输入对应的参加即可),以此共勉,希望你也能进步:

SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO

CREATE PROCEDURE [dbo].[Pagination]
@Page int = 1, -- 当前页码
@PageSize int = 10, -- 每页记录条数(页面大小)
@Table nvarchar(500), -- 表名或视图名,甚至可以是嵌套SQL:(Select * From Tab Where ID>1000) Tab
@Field nvarchar(800) = '*', -- 返回记录集字段名,","隔开,默认是"*"
@OrderBy nvarchar(100) = 'ID ASC', -- 排序规则
@Filter nvarchar(500), -- 过滤条件
@MaxPage smallint output, -- 执行结果 -1 error, 0 false, maxpage true
@TotalRow int output, -- 记录总数 /* 2007-07-12 22:11:00 update */
@Descript varchar(100) output -- 结果描述
AS
BEGIN

-- =============================================
-- Author: Jimmy.Yu
-- Create date: 2007-5-11
-- Description: SQL 2005 以上版本 通用分页存储过程
-- =============================================

Set ROWCOUNT @PageSize;

Set @Descript = 'successful';
-------------------参数检测----------------
IF LEN(RTRIM(LTRIM(@Table))) !> 0
Begin
Set @MaxPage = 0;
Set @Descript = 'table name is empty';
Return;
End

IF LEN(RTRIM(LTRIM(@OrderBy))) !> 0
Begin
Set @MaxPage = 0;
Set @Descript = 'order is empty';
Return;
End

IF ISNULL(@PageSize,0) <= 0
Begin
Set @MaxPage = 0;
Set @Descript = 'page size error';
Return;
End

IF ISNULL(@Page,0) <= 0
Begin
Set @MaxPage = 0;
Set @Descript = 'page error';
Return;
End
-------------------检测结束----------------

Begin Try
-- 整合SQL
Declare @SQL nvarchar(4000), @Portion nvarchar(4000);

Set @Portion = ' ROW_NUMBER() OVER (ORDER BY ' + @OrderBy + ') AS ROWNUM FROM ' + @Table;

Set @Portion = @Portion + (CASE WHEN LEN(@Filter) >= 1 THEN (' Where ' + @Filter + ') AS tab') ELSE (') AS tab') END);

Set @SQL = 'Select TOP(' + CAST(@PageSize AS nvarchar(8)) + ') ' + @Field + ' FROM (Select ' + @Field + ',' + @Portion;

Set @SQL = @SQL + ' Where tab.ROWNUM > ' + CAST((@Page-1)*@PageSize AS nvarchar(8));

-- 执行SQL, 取当前页记录集
Execute(@SQL);
--------------------------------------------------------------------

-- 整合SQL
Set @SQL = 'Set @Rows = (Select MAX(ROWNUM) FROM (Select' + @Portion + ')';

-- 执行SQL, 取最大页码
Execute sp_executesql @SQL, N'@Rows int output', @TotalRow output;
Set @MaxPage = (CASE WHEN (@TotalRow % @PageSize)<>0 THEN (@TotalRow / @PageSize + 1) ELSE (@TotalRow / @PageSize) END);
End Try
Begin Catch
-- 捕捉错误
Set @MaxPage = -1;
Set @Descript = 'error line: ' + CAST(ERROR_LINE() AS varchar(8)) + ', error number: ' + CAST(ERROR_NUMBER() AS varchar(8)) + ', error message: ' + ERROR_MESSAGE();
Return;
End Catch;

-- 执行成功
Return;
END

4. mysql数据库带条件和分页一起怎么写

你打印一下这个sql语句,放在mysql管理工具中运行一下,看看有没有sql错误

5. 在分页查询的SQL里想加一句对外键的判断,可是不太会写SQL语句,各位大神帮帮忙

&&userId=? 没看懂这个是什么意思可以去掉 或者改成 and userid=值,,,,有点明白了 &&改成and ?改成你想要的值

6. SQL如何实现数据分页,要具体语句,谢谢

可以的,用存储过程

分页存储过程如下

CREATE PROCEDURE GetRecordFromPage
@tblName varchar(255), -- 表名
@RetColumns varchar(1000) = '*', -- 需要返回的列,默认为全部
@Orderfld varchar(255), -- 排序字段名
@PageSize int = 10, -- 页尺寸
@PageIndex int = 1, -- 页码
@IsCount bit = 0, -- 返回记录总数, 非 0 值则返回
@OrderType varchar(50) = 'asc', -- 设置排序类型, 非 asc 值则降序
@strWhere varchar(1000) = '' -- 查询条件 (注意: 不要加 where)
AS

declare @strSQL varchar(1000) -- 主语句
declare @strTmp varchar(300) -- 临时变量
declare @strOrder varchar(400) -- 排序类型

if @IsCount != 0 --执行总数统计

begin
if @strWhere != ''
set @strSQL = "select count(*) as Total from [" + @tblName + "] where " + @strWhere
else
set @strSQL = "select count(*) as Total from [" + @tblName + "]"
end

else --执行查询操作

begin

if @OrderType != 'asc'
begin
set @strTmp = "<(select min"
set @strOrder = " order by [" + @Orderfld +"] desc"
end
else
begin
set @strTmp = ">(select max"
set @strOrder = " order by [" + @Orderfld +"] asc"
end

set @strSQL = "select top " + str(@PageSize) + " " + @RetColumns + " from ["
+ @tblName + "] where [" + @Orderfld + "]" + @strTmp + "(["
+ @Orderfld + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["
+ @Orderfld + "] from [" + @tblName + "]" + @strOrder + ") as tblTmp)"
+ @strOrder

if @strWhere != ''
set @strSQL = "select top " + str(@PageSize) + " " + @RetColumns + " from ["
+ @tblName + "] where [" + @Orderfld + "]" + @strTmp + "(["
+ @Orderfld + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["
+ @Orderfld + "] from [" + @tblName + "] where (" + @strWhere + ") "
+ @strOrder + ") as tblTmp) and (" + @strWhere + ") " + @strOrder

if @PageIndex = 1
begin
set @strTmp = ""
if @strWhere != ''
set @strTmp = " where (" + @strWhere + ")"

set @strSQL = "select top " + str(@PageSize) + " " + @RetColumns + " from ["
+ @tblName + "]" + @strTmp + " " + @strOrder
end
end

exec (@strSQL)

7. sql server 2000 实现带条件的分页查询sql怎么写

select top sum * from 表名 where
id not in (select top sum *(num -1) id from 表名 where 字段名 > “变量” and .... order by ** desc)
and 字段名 > “变量” and .... order by ** desc

子查询和父查询都用同样的where条件和order。

8. 怎么使用sql server 按条件查询的结果分页显示求大神给代码

尽量不要使用嵌套子查询,优先使用连接子查询;
In 关键字尽量少使用,效率低,除非 in 包含的信息量非常少,并且叫固定;
如果查询条件和查询结果表无直接关联,优先根据查询条件查询出符合条件的临时结果值,然后和最终结果表关联;
除 top n 方式分页之外,使用 row_number() over 方式分页也可以;
能明确指定结果字段的,尽量不要用 * ;
不相关的字段可以省略;
如果最终结果表数据比较大,考虑分表,分区,分库;
查询结果表字段尽量不要包含大文本之类的字段;
where 条件中对于varchar 字段 的 like 查询要适度,不要用太多,会影响效率;

9. sql分页的几种写法

几种典型的分页sql,下面例子是每页50条,198*50=9900,取第199页数据。
--写法1,not in/top
select top 50 * from pagetest
where id not in (select top 9900 id from pagetest order by id)
order by id

--写法2,not exists
select top 50 * from pagetest
where not exists
(select 1 from (select top 9900 id from pagetest order by id)a where a.id=pagetest.id)
order by id

--写法3,max/top
select top 50 * from pagetest
where id>(select max(id) from (select top 9900 id from pagetest order by id)a)
order by id

--写法4,row_number()
select top 50 * from
(select row_number()over(order by id)rownumber,* from pagetest)a
where rownumber>9900

select * from
(select row_number()over(order by id)rownumber,* from pagetest)a
where rownumber>9900 and rownumber<9951

select * from
(select row_number()over(order by id)rownumber,* from pagetest)a
where rownumber between 9901 and 9950

--写法5,在csdn上一帖子看到的,row_number() 变体,不基于已有字段产生记录序号,先按条件筛选以及排好序,再在结果集上给一常量列用于产生记录序号
select * from (
select row_number()over(order by tempColumn)rownumber,*
from (select top 9950 tempColumn=0,* from pagetest where 1=1 order by id)a
)b
where rownumber>9900

10. sql 分页多条件查询

查询可以用if else 去做。
例如:
sql="select * from ........."
``````````````
xh=request("型号")
······
if xh<>"" then sql=sql+" and 型号='"&xh&"'"

分页可以用
<%TurnPage(rs,20,"型号="&xh&"&其他6个参数·······")%>

<%
Sub TurnPage(ByRef Rs_tmp,PageSize,canshu) 'Rs_tmp 记录集 PageSize 每页显示的记录条数;
Dim TotalPage '总页数
Dim PageNo '当前显示的是第几页
Dim RecordCount '总记录条数
Rs_tmp.PageSize = PageSize
RecordCount = Rs_tmp.RecordCount
TotalPage = INT(RecordCount / PageSize * -1)*-1
PageNo = Request.QueryString ("PageNo")
'直接输入页数跳转;
If Request.Form("PageNo")<>"" Then PageNo = Request.Form("PageNo")
'如果没有选择第几页,则默认显示第一页;
If PageNo = "" then PageNo = 1
If RecordCount <> 0 then
Rs_tmp.AbsolutePage = PageNo
End If
'获取当前文件名,使得每次翻页都在当前页面进行;
Dim fileName,postion
fileName = Request.ServerVariables("script_name")
postion = InstrRev(fileName,"/")+1
'取得当前的文件名称,使翻页的链接指向当前文件;
fileName = Mid(fileName,postion)
response.write "<table border=0 width='100%'><tr> "
If RecordCount = 0 or TotalPage = 1 Then
Response.Write ""
Else
response.write "<td align=left style='font-size:12px'> 总页数:<font color=#ff3333>"&TotalPage&"</font>页"
response.write "当前第<font color=#ff3333>"&PageNo&"</font>页 </td> "
response.write "<td align='right' style='font-size:12px'> "
end if
If RecordCount = 0 or TotalPage = 1 Then
Response.Write ""
Else
response.write "<a href='"&fileName&"?PageNo=1&"&canshu&"'>首页|</a>"
If PageNo - 1 = 0 Then
Response.Write "前页|"
Else
response.write "<a href='"&fileName&"?PageNo="&PageNo-1&"&"&canshu&"'>前页|</a>"
End If
If PageNo+1 > TotalPage Then
Response.Write "后页|"
Else
response.write "<a href='"&fileName&"?PageNo="&PageNo+1&"&"&canshu&"'>后页|</a>"
End If
response.write "<a href='"&fileName&"?PageNo="&TotalPage&"&"&canshu&"'>末页</a>"
End If
response.write "</td></td></tr></table> "
end sub%>