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create procedure KF_pro_Conversations
(@startIndex int,
@endIndex int,
@user_name nvarchar(50)
--这里加一个表名变理,如@Tablename nvarchar(50),下面这个表KF_1_MessageInfo是变的,也可能也是KF_2_MessageInfo
)
as
set nocount on
declare @indextable table(id int identity(1,1),nid int)--临时表有两个字段,一个是id,还有一个是nid,用临时表解决主表id不安顺序增长
set rowcount @endIndex
insert into @indextable(nid) select msg_id from KF_1_MessageInfo where senderName=@user_name and msg_id in (select max(msg_id) from KF_1_MessageInfo group by ReceiverName,senderName)
select O.ReceiverName,b.notes_name
from KF_1_MessageInfo as O
left join KF_userlogin b on O.ReceiverName=b.loginuser_ip
inner join @indextable t on O.msg_id=t.nid
where t.id between @startIndex and @endIndex and senderName=@user_name and msg_id in (select max(msg_id) from KF_1_MessageInfo group by ReceiverName,senderName)
create procedure KF_pro_Conversations
(@startIndex int,
@endIndex int,
@user_name nvarchar(50),
@Tablename nvarchar(50)
)
as
begin
set nocount on
declare @indextable table(id int identity(1,1),nid int)--临时表有两个字段,一个是id,还有一个是nid,用临时表解决主表id不安顺序增长
set rowcount @endIndex
declare @sql1 varchar(255)
declare @sql2 varchar(255)
select @sql1='insert into @indextable(nid) select msg_id from '+ @Tablename+' where senderName='+@user_name+' and msg_id in (select max(msg_id) from '+ @Tablename+' group by ReceiverName,senderName)'
exec(@sql1)
select @sql2 ='select O.ReceiverName,b.notes_name from '+ @Tablename+' O left join KF_userlogin b on O.ReceiverName=b.loginuser_ip inner join @indextable t on O.msg_id=t.nid where t.id between @startIndex and endIndex and senderName='+@user_name+' and msg_id in (select max(msg_id) from '+ @Tablename+' group by ReceiverName,senderName)'
exec(@sql2)
end
create procedure KF_pro_Conversations
(@startIndex int,
@endIndex int,
@user_name nvarchar(50),
@Tablename nvarchar(50)
)
as
begin
declare @sql varchar(600)
select @sql='set nocount on'
select @sql=@sql + 'set rowcount @endIndex'
select @sql= @sql + 'declare @indextable table(id int identity(1,1),nid int)'
select @sql= @sql + 'insert into @indextable(nid) select msg_id from ['+ @Tablename+'] where senderName='''+@user_name+''' and msg_id in (select max(msg_id) from ['+ @Tablename+'] group by ReceiverName,senderName)'
select @sql = @sql + 'select O.ReceiverName,b.notes_name from ['+ @Tablename+'] O left join KF_userlogin b on O.ReceiverName=b.loginuser_ip inner join @indextable t on O.msg_id=t.nid where t.id between @startIndex and endIndex and senderName='''+@user_name+''' and msg_id in (select max(msg_id) from ['+ @Tablename+'] group by ReceiverName,senderName)'
exec(@sql)
end
create procedure KF_pro_Conversations
(@startIndex int,
@endIndex int,
@user_name nvarchar(50),
@Tablename nvarchar(50)
)
as
begin
declare @sql varchar(600)
select @sql='set nocount on'
select @sql=@sql + 'set rowcount @endIndex'
select @sql= @sql + 'declare @indextable table(id int identity(1,1),nid int)'
select @sql= @sql + 'insert into @indextable(nid) select msg_id from '+ @Tablename+' where senderName='+@user_name+' and msg_id in (select max(msg_id) from '+ @Tablename+' group by ReceiverName,senderName)'
select @sql = @sql + 'select O.ReceiverName,b.notes_name from '+ @Tablename+' O left join KF_userlogin b on O.ReceiverName=b.loginuser_ip inner join @indextable t on O.msg_id=t.nid where t.id between @startIndex and endIndex and senderName='+@user_name+' and msg_id in (select max(msg_id) from '+ @Tablename+' group by ReceiverName,senderName)'
exec(@sql)
end
SQL 2005的ROW_NUMBER()实现分页功能
DECLARE @pagenum AS INT, @pagesize AS INT
SET @pagenum = 2
SET @pagesize = 3
SELECT *
FROM (SELECT ROW_NUMBER() OVER(ORDER BY newsid DESC) AS rownum,
newsid, topic, ntime, hits
FROM news) AS D
WHERE rownum BETWEEN (@pagenum-1)*@pagesize+1 AND @pagenum*@pagesize
ORDER BY newsid DESC
aspx里面只需给SQL传入pageid和条数即可。
CSDN上还有个存储过程实现分页的代码:
ALTER PROCEDURE news_Showlist
(
@tblName varchar(255), -- 表名
@strGetFields varchar(1000), -- 需要返回的列
@fldName varchar(255), -- 排序的字段名
@PageSize int , -- 页尺寸
@PageIndex int , -- 页码
@strWhere varchar(1500), -- 查询条件(注意: 不要加where)
@Sort varchar(255) --排序的方法
)
AS
declare @strSQL varchar(5000) -- 主语句
declare @strTmp varchar(110) -- 临时变量
declare @strOrder varchar(400) -- 排序类型
if @Sort = 'desc'
begin
set @strTmp = '<(select min'
set @strOrder = ' order by ' + @fldName +' desc'
--如果@OrderType不是,就执行降序,这句很重要!
end
else
begin
set @strTmp = '>(select max'
set @strOrder = ' order by ' + @fldName +' asc'
end
if @PageIndex = 1
begin
if @strWhere != ''
begin
set @strSQL = 'select top ' + str(@PageSize) +' '+@strGetFields+ ' from ' + @tblName
+ ' where ' + @strWhere + ' ' + @strOrder
end
else
begin
set @strSQL = 'select top ' + str(@PageSize) +' '+@strGetFields+ ' from '+ @tblName
+ ' '+ @strOrder
end
--如果是第一页就执行以上代码,这样会加快执行速度
end
else
begin
--以下代码赋予了@strSQL以真正执行的SQL代码
set @strSQL = 'select top ' + str(@PageSize) +' '+@strGetFields+ ' from '
+ @tblName + ' where ' + @fldName + '' + @strTmp + '('+ @fldName + ') from
(select top ' + str((@PageIndex-1)*@PageSize) + ' '+ @fldName + ' from '
+ @tblName + '' + @strOrder + ') as tblTmp)'+ @strOrder
if @strWhere != ''
set @strSQL = 'select top ' + str(@PageSize) +' '+@strGetFields+ ' from '
+ @tblName + ' where ' + @fldName + '' + @strTmp + '('+ @fldName + ') from
(select top ' + str((@PageIndex-1)*@PageSize) + ' '+ @fldName + ' from '
+ @tblName + ' where ' + @strWhere + ' '+ @strOrder + ') as tblTmp)
and ' + @strWhere + ' ' + @strOrder
end
exec (@strSQL)
RETURN
--TOP n 实现的通用分页存储过程(转自邹建)
CREATE PROC sp_PageView
@tbname sysname, --要分页显示的表名
@FieldKey nvarchar(1000), --用于定位记录的主键(惟一键)字段,可以是逗号分隔的多个字段
@PageCurrent int=1, --要显示的页码
@PageSize int=10, --每页的大小(记录数)
@FieldShow nvarchar(1000)='', --以逗号分隔的要显示的字段列表,如果不指定,则显示所有字段
@FieldOrder nvarchar(1000)='', --以逗号分隔的排序字段列表,可以指定在字段后面指定DESC/ASC
用于指定排序顺序
@Where nvarchar(1000)='', --查询条件
@PageCount int OUTPUT --总页数
AS
SET NOCOUNT ON
--检查对象是否有效
IF OBJECT_ID(@tbname) IS NULL
BEGIN
RAISERROR(N'对象"%s"不存在',1,16,@tbname)
RETURN
END
IF OBJECTPROPERTY(OBJECT_ID(@tbname),N'IsTable')=0
AND OBJECTPROPERTY(OBJECT_ID(@tbname),N'IsView')=0
AND OBJECTPROPERTY(OBJECT_ID(@tbname),N'IsTableFunction')=0
BEGIN
RAISERROR(N'"%s"不是表、视图或者表值函数',1,16,@tbname)
RETURN
END
--分页字段检查
IF ISNULL(@FieldKey,N'')=''
BEGIN
RAISERROR(N'分页处理需要主键(或者惟一键)',1,16)
RETURN
END
--其他参数检查及规范
IF ISNULL(@PageCurrent,0)<1 SET @PageCurrent=1
IF ISNULL(@PageSize,0)<1 SET @PageSize=10
IF ISNULL(@FieldShow,N'')=N'' SET @FieldShow=N'*'
IF ISNULL(@FieldOrder,N'')=N''
SET @FieldOrder=N''
ELSE
SET @FieldOrder=N'ORDER BY '+LTRIM(@FieldOrder)
IF ISNULL(@Where,N'')=N''
SET @Where=N''
ELSE
SET @Where=N'WHERE ('+@Where+N')'
--如果@PageCount为NULL值,则计算总页数(这样设计可以只在第一次计算总页数,以后调用时,把总页数传回给存储过程,避免再次计算总页数,对于不想计算总页数的处理而言,可以给@PageCount赋值)
IF @PageCount IS NULL
BEGIN
DECLARE @sql nvarchar(4000)
SET @sql=N'SELECT @PageCount=COUNT(*)'
+N' FROM '+@tbname
+N' '+@Where
EXEC sp_executesql @sql,N'@PageCount int OUTPUT',@PageCount OUTPUT
SET @PageCount=(@PageCount+@PageSize-1)/@PageSize
END
--计算分页显示的TOPN值
DECLARE @TopN varchar(20),@TopN1 varchar(20)
SELECT @TopN=@PageSize,
@TopN1=(@PageCurrent-1)*@PageSize
--第一页直接显示
IF @PageCurrent=1
EXEC(N'SELECT TOP '+@TopN
+N' '+@FieldShow
+N' FROM '+@tbname
+N' '+@Where
+N' '+@FieldOrder)
ELSE
BEGIN
--处理别名
IF @FieldShow=N'*'
SET @FieldShow=N'a.*'
--生成主键(惟一键)处理条件
DECLARE @Where1 nvarchar(4000),@Where2 nvarchar(4000),
@s nvarchar(1000),@Field sysname
SELECT @Where1=N'',@Where2=N'',@s=@FieldKey
WHILE CHARINDEX(N',',@s)>0
SELECT @Field=LEFT(@s,CHARINDEX(N',',@s)-1),
@s=STUFF(@s,1,CHARINDEX(N',',@s),N''),
@Where1=@Where1+N' AND a.'+@Field+N'=b.'+@Field,
@Where2=@Where2+N' AND b.'+@Field+N' IS NULL',
@Where=REPLACE(@Where,@Field,N'a.'+@Field),
@FieldOrder=REPLACE(@FieldOrder,@Field,N'a.'+@Field),
@FieldShow=REPLACE(@FieldShow,@Field,N'a.'+@Field)
SELECT @Where=REPLACE(@Where,@s,N'a.'+@s),
@FieldOrder=REPLACE(@FieldOrder,@s,N'a.'+@s),
@FieldShow=REPLACE(@FieldShow,@s,N'a.'+@s),
@Where1=STUFF(@Where1+N' AND a.'+@s+N'=b.'+@s,1,5,N''),
@Where2=CASE
WHEN @Where='' THEN N'WHERE ('
ELSE @Where+N' AND ('
END+N'b.'+@s+N' IS NULL'+@Where2+N')'
--执行查询
EXEC(N'SELECT TOP '+@TopN
+N' '+@FieldShow
+N' FROM '+@tbname
+N' a LEFT JOIN(SELECT TOP '+@TopN1
+N' '+@FieldKey
+N' FROM '+@tbname
+N' a '+@Where
+N' '+@FieldOrder
+N')b ON '+@Where1
+N' '+@Where2
+N' '+@FieldOrder)
END
-- 字符串缓存实现的通用分页存储过程(转自邹建)
CREATE PROC sp_PageView
@tbname sysname, --要分页显示的表名
@FieldKey sysname, --用于定位记录的主键(惟一键)字段,只能是单个字段
@PageCurrent int=1, --要显示的页码
@PageSize int=10, --每页的大小(记录数)
@FieldShow nvarchar(1000)='', --以逗号分隔的要显示的字段列表,如果不指定,则显示所有字段
@FieldOrder nvarchar(1000)='', --以逗号分隔的排序字段列表,可以指定在字段后面指定DESC/ASC
用于指定排序顺序
@Where nvarchar(1000)='', --查询条件
@PageCount int OUTPUT --总页数
AS
DECLARE @sql nvarchar(4000)
SET NOCOUNT ON
--检查对象是否有效
IF OBJECT_ID(@tbname) IS NULL
BEGIN
RAISERROR(N'对象"%s"不存在',1,16,@tbname)
RETURN
END
IF OBJECTPROPERTY(OBJECT_ID(@tbname),N'IsTable')=0
AND OBJECTPROPERTY(OBJECT_ID(@tbname),N'IsView')=0
AND OBJECTPROPERTY(OBJECT_ID(@tbname),N'IsTableFunction')=0
BEGIN
RAISERROR(N'"%s"不是表、视图或者表值函数',1,16,@tbname)
RETURN
END
--分页字段检查
IF ISNULL(@FieldKey,N'')=''
BEGIN
RAISERROR(N'分页处理需要主键(或者惟一键)',1,16)
RETURN
END
--其他参数检查及规范
IF ISNULL(@PageCurrent,0)<1 SET @PageCurrent=1
IF ISNULL(@PageSize,0)<1 SET @PageSize=10
IF ISNULL(@FieldShow,N'')=N'' SET @FieldShow=N'*'
IF ISNULL(@FieldOrder,N'')=N''
SET @FieldOrder=N''
ELSE
SET @FieldOrder=N'ORDER BY '+LTRIM(@FieldOrder)
IF ISNULL(@Where,N'')=N''
SET @Where=N''
ELSE
SET @Where=N'WHERE ('+@Where+N')'
--如果@PageCount为NULL值,则计算总页数(这样设计可以只在第一次计算总页数,以后调用时,把总页数传回给存储过程,避免再次计算总页数,对于不想计算总页数的处理而言,可以给@PageCount赋值)
IF @PageCount IS NULL
BEGIN
SET @sql=N'SELECT @PageCount=COUNT(*)'
+N' FROM '+@tbname
+N' '+@Where
EXEC sp_executesql @sql,N'@PageCount int OUTPUT',@PageCount OUTPUT
SET @PageCount=(@PageCount+@PageSize-1)/@PageSize
END
--计算分页显示的TOPN值
DECLARE @TopN varchar(20),@TopN1 varchar(20)
SELECT @TopN=@PageSize,
@TopN1=@PageCurrent*@PageSize
--第一页直接显示
IF @PageCurrent=1
EXEC(N'SELECT TOP '+@TopN
+N' '+@FieldShow
+N' FROM '+@tbname
+N' '+@Where
+N' '+@FieldOrder)
ELSE
BEGIN
SELECT @PageCurrent=@TopN1,
@sql=N'SELECT @n=@n-1,@s=CASE WHEN @n<'+@TopN
+N' THEN @s+N'',''+QUOTENAME(RTRIM(CAST('+@FieldKey
+N' as varchar(8000))),N'''''''') ELSE N'''' END FROM '+@tbname
+N' '+@Where
+N' '+@FieldOrder
SET ROWCOUNT @PageCurrent
EXEC sp_executesql @sql,
N'@n int,@s nvarchar(4000) OUTPUT',
@PageCurrent,@sql OUTPUT
SET ROWCOUNT 0
IF @sql=N''
EXEC(N'SELECT TOP 0'
+N' '+@FieldShow
+N' FROM '+@tbname)
ELSE
BEGIN
SET @sql=STUFF(@sql,1,1,N'')
--执行查询
EXEC(N'SELECT TOP '+@TopN
+N' '+@FieldShow
+N' FROM '+@tbname
+N' WHERE '+@FieldKey
+N' IN('+@sql
+N') '+@FieldOrder)
END
END
create procedure KF_pro_Conversations
(@startIndex int,
@endIndex int,
@user_name nvarchar(50)
@Tablename nvarchar(50)
)
as
begin
set nocount on
create table #indextable (id int identity(1,1),nid int)
declare @sql varchar(255)
set rowcount @endIndex
set @sql='insert into #indextable(nid) select msg_id from '+@Tablename+' where senderName=@user_name and msg_id in (select max(msg_id) from '+@Tablename+' group by ReceiverName,senderName)
select O.ReceiverName,b.notes_name
from '+@Tablename+' as O
left join KF_userlogin b on O.ReceiverName=b.loginuser_ip
inner join #indextable t on O.msg_id=t.nid
where t.id between @startIndex and @endIndex and senderName=@user_name and msg_id in (select max(msg_id) from '+@Tablename+' group by ReceiverName,senderName) '
exec(@sql)
drop table #indextable
end
create procedure KF_pro_Conversations
(@startIndex int,
@endIndex int,
@user_name nvarchar(50)
@Tablename nvarchar(50)
)
as
begin
set nocount on
create table #indextable (id int identity(1,1),nid int)
declare @sql varchar(255)
set rowcount @endIndex
set @sql='insert into #indextable(nid) select msg_id from '+@Tablename+' where senderName=@user_name and msg_id in (select max(msg_id) from '+@Tablename+' group by ReceiverName,senderName)
select O.ReceiverName,b.notes_name
from '+@Tablename+' as O
left join KF_userlogin b on O.ReceiverName=b.loginuser_ip
inner join #indextable t on O.msg_id=t.nid
where t.id between @startIndex and @endIndex and senderName=@user_name and msg_id in (select max(msg_id) from '+@Tablename+' group by ReceiverName,senderName) '
exec(@sql2)
drop table #indextable
end
create procedure KF_pro_Conversations
(@startIndex int,
@endIndex int,
@user_name nvarchar(50),
@Tablename nvarchar(50)
)
as
begin
set nocount on
create table #indextable (id int identity(1,1),nid int)--临时表有两个字段,一个是id,还有一个是nid,用临时表解决主表id不安顺序增长
set rowcount @endIndex
declare @sql1 varchar(2550)
declare @sql2 varchar(2550)
select @sql1='insert into #indextable(nid) select msg_id from '+ @Tablename+' where senderName='+@user_name+' and msg_id in (select max(msg_id) from '+ @Tablename+' group by ReceiverName,senderName)'
exec(@sql1)
select @sql2 ='select O.ReceiverName,b.notes_name from '+ @Tablename+' O
left join KF_userlogin b on O.ReceiverName=b.loginuser_ip
inner join #indextable t on O.msg_id=t.nid where t.id between '
+ convert(varchar(10) ,@startIndex) +' and '+ convert(varchar(10) ,@endIndex) +'and senderName='+@user_name+' and msg_id in (select max(msg_id) from '+ @Tablename+' group by ReceiverName,senderName)'
exec(@sql2)
end
使用临时表了
declare @indextable table(id int identity(1,1),nid int)
改成
create table #indextable (id int identity(1,1),nid int)
然后最后drop一下