CREATE Proc Page_GridView
@QueryStr varchar(8000),--表名、视图名、查询语句
@PageSize int=10,--每页的大小(行数)
@PageCurrent int=1,--要显示的页
@FdShow varchar (8000)='',--要显示的字段列表,如果查询结果不需要标识字段,需要指定此值,且不包含标识字段
@FdOrder nvarchar (1000)='',--排序字段列表
@FDesc nvarchar (1000)='',--排序字方式
@tmpstr varchar (8000)=''--超出8000字符
as
--set @QueryStr='Select * from Page_LeaveFormInfo Where id in(3,4,5,6285,'
--set @PageSize=999999
--set @PageCurrent=1
--set @FdShow=''
--set @FdOrder='Code'
--set @FDesc='asc'
--set @tmpstr='9076,9077,9078,9079,9080)'
set nocount on
declare @FdName nvarchar(250)--表中的主键或表、临时表中的标识列名
,@Id1 varchar(20),@Id2 varchar(20)--开始和结束的记录号
,@Obj_ID int--对象ID
--表中有复合主键的处理
declare @strfd varchar(8000)--复合主键列表
,@strjoin varchar(8000)--连接字段
,@strwhere varchar(8000)--查询条件
select @Obj_ID=object_id(@QueryStr)
,@FdShow=case isnull(@FdShow,'') when '' then ' *' else ' '+@FdShow end
,@FdOrder=case isnull(@FdOrder,'') when '' then '' else ' order by '+@FdOrder+' '+@FDesc+' ' end
--如果显示第一页,可以直接用top来完成
if @PageCurrent=1
begin
select @Id1=cast(@PageSize as varchar(20))
--print 'select top '+@Id1+@FdShow+' from '+'('+@QueryStr+@tmpstr+')'+ 'a' +@FdOrder
exec('select top '+@Id1+@FdShow+' from '+'('+@QueryStr+@tmpstr+')'+ 'a'+@FdOrder)
return
end
--如果是表,则检查表中是否有标识更或主键
if @Obj_ID is not null and objectproperty(@Obj_ID,'IsTable')=1
begin
select @Id1=cast(@PageSize as varchar(20))
,@Id2=cast((@PageCurrent-1)*@PageSize as varchar(20))
select @FdName=name from syscolumns where id=@Obj_ID and status=0x80
if @@rowcount=0--如果表中无标识列,则检查表中是否有主键
begin
if not exists(select 1 from sysobjects where parent_obj=@Obj_ID and xtype='PK')
goto lbusetemp--如果表中无主键,则用临时表处理
select @FdName=name from syscolumns where id=@Obj_ID and colid in(
select colid from sysindexkeys where @Obj_ID=id and indid in(
select indid from sysindexes where @Obj_ID=id and name in(
select name from sysobjects where xtype='PK' and parent_obj=@Obj_ID
)))
if @@rowcount>1--检查表中的主键是否为复合主键
begin
select @strfd='',@strjoin='',@strwhere=''
select @strfd=@strfd+',['+name+']'
,@strjoin=@strjoin+' and a.['+name+']=b.['+name+']'
,@strwhere=@strwhere+' and b.['+name+'] is null'
from syscolumns where id=@Obj_ID and colid in(
select colid from sysindexkeys where @Obj_ID=id and indid in(
select indid from sysindexes where @Obj_ID=id and name in(
select name from sysobjects where xtype='PK' and parent_obj=@Obj_ID
)))
select @strfd=substring(@strfd,2,8000)
,@strjoin=substring(@strjoin,5,8000)
,@strwhere=substring(@strwhere,5,8000)
goto lbusepk
end
end
end
else
goto lbusetemp
/*--使用标识列或主键为单一字段的处理方法--*/
lbuseidentity:
exec('select top '+@Id1+@FdShow+' from '+@QueryStr
+' where '+@FdName+' not in(select top '
+@Id2+' '+@FdName+' from '+'('+@QueryStr+@tmpstr+')'+ 'a'+@FdOrder
+')'+@FdOrder
)
return
/*--表中有复合主键的处理方法--*/
lbusepk:
exec('select '+@FdShow+' from(select top '+@Id1+' a.* from
(select top 100 percent * from '+'('+@QueryStr+@tmpstr+')'+ 'a'+@FdOrder+') a
left join (select top '+@Id2+' '+@strfd+'
from '+'('+@QueryStr+@tmpstr+')'+ 'a'+@FdOrder+') b on '+@strjoin+'
where '+@strwhere+') a'
)
return
/*--用临时表处理的方法--*/
lbusetemp:
select @FdName='[ID_'+cast(newid() as varchar(40))+']'
,@Id1=cast(@PageSize*(@PageCurrent-1) as varchar(20))
,@Id2=cast(@PageSize*@PageCurrent-1 as varchar(20))
if(charindex('top',@QueryStr)=0)
begin
set @QueryStr=ltrim(@QueryStr)
set @QueryStr='select top 100 percent'+substring(@QueryStr,7,len(@QueryStr)-6)
end
exec('select '+@FdName+'=identity(int,0,1),'+@FdShow+'
into #tb from'+'('+@QueryStr+@tmpstr+@FdOrder +')'+ 'a'+'
select '+@FdShow+' from #tb where '+@FdName+' between '
+@Id1+' and '+@Id2
)
@QueryStr varchar(8000),--表名、视图名、查询语句
@PageSize int=10,--每页的大小(行数)
@PageCurrent int=1,--要显示的页
@FdShow varchar (8000)='',--要显示的字段列表,如果查询结果不需要标识字段,需要指定此值,且不包含标识字段
@FdOrder nvarchar (1000)='',--排序字段列表
@FDesc nvarchar (1000)='',--排序字方式
@tmpstr varchar (8000)=''--超出8000字符
as
--set @QueryStr='Select * from Page_LeaveFormInfo Where id in(3,4,5,6285,'
--set @PageSize=999999
--set @PageCurrent=1
--set @FdShow=''
--set @FdOrder='Code'
--set @FDesc='asc'
--set @tmpstr='9076,9077,9078,9079,9080)'
set nocount on
declare @FdName nvarchar(250)--表中的主键或表、临时表中的标识列名
,@Id1 varchar(20),@Id2 varchar(20)--开始和结束的记录号
,@Obj_ID int--对象ID
--表中有复合主键的处理
declare @strfd varchar(8000)--复合主键列表
,@strjoin varchar(8000)--连接字段
,@strwhere varchar(8000)--查询条件
select @Obj_ID=object_id(@QueryStr)
,@FdShow=case isnull(@FdShow,'') when '' then ' *' else ' '+@FdShow end
,@FdOrder=case isnull(@FdOrder,'') when '' then '' else ' order by '+@FdOrder+' '+@FDesc+' ' end
--如果显示第一页,可以直接用top来完成
if @PageCurrent=1
begin
select @Id1=cast(@PageSize as varchar(20))
--print 'select top '+@Id1+@FdShow+' from '+'('+@QueryStr+@tmpstr+')'+ 'a' +@FdOrder
exec('select top '+@Id1+@FdShow+' from '+'('+@QueryStr+@tmpstr+')'+ 'a'+@FdOrder)
return
end
--如果是表,则检查表中是否有标识更或主键
if @Obj_ID is not null and objectproperty(@Obj_ID,'IsTable')=1
begin
select @Id1=cast(@PageSize as varchar(20))
,@Id2=cast((@PageCurrent-1)*@PageSize as varchar(20))
select @FdName=name from syscolumns where id=@Obj_ID and status=0x80
if @@rowcount=0--如果表中无标识列,则检查表中是否有主键
begin
if not exists(select 1 from sysobjects where parent_obj=@Obj_ID and xtype='PK')
goto lbusetemp--如果表中无主键,则用临时表处理
select @FdName=name from syscolumns where id=@Obj_ID and colid in(
select colid from sysindexkeys where @Obj_ID=id and indid in(
select indid from sysindexes where @Obj_ID=id and name in(
select name from sysobjects where xtype='PK' and parent_obj=@Obj_ID
)))
if @@rowcount>1--检查表中的主键是否为复合主键
begin
select @strfd='',@strjoin='',@strwhere=''
select @strfd=@strfd+',['+name+']'
,@strjoin=@strjoin+' and a.['+name+']=b.['+name+']'
,@strwhere=@strwhere+' and b.['+name+'] is null'
from syscolumns where id=@Obj_ID and colid in(
select colid from sysindexkeys where @Obj_ID=id and indid in(
select indid from sysindexes where @Obj_ID=id and name in(
select name from sysobjects where xtype='PK' and parent_obj=@Obj_ID
)))
select @strfd=substring(@strfd,2,8000)
,@strjoin=substring(@strjoin,5,8000)
,@strwhere=substring(@strwhere,5,8000)
goto lbusepk
end
end
end
else
goto lbusetemp
/*--使用标识列或主键为单一字段的处理方法--*/
lbuseidentity:
exec('select top '+@Id1+@FdShow+' from '+@QueryStr
+' where '+@FdName+' not in(select top '
+@Id2+' '+@FdName+' from '+'('+@QueryStr+@tmpstr+')'+ 'a'+@FdOrder
+')'+@FdOrder
)
return
/*--表中有复合主键的处理方法--*/
lbusepk:
exec('select '+@FdShow+' from(select top '+@Id1+' a.* from
(select top 100 percent * from '+'('+@QueryStr+@tmpstr+')'+ 'a'+@FdOrder+') a
left join (select top '+@Id2+' '+@strfd+'
from '+'('+@QueryStr+@tmpstr+')'+ 'a'+@FdOrder+') b on '+@strjoin+'
where '+@strwhere+') a'
)
return
/*--用临时表处理的方法--*/
lbusetemp:
select @FdName='[ID_'+cast(newid() as varchar(40))+']'
,@Id1=cast(@PageSize*(@PageCurrent-1) as varchar(20))
,@Id2=cast(@PageSize*@PageCurrent-1 as varchar(20))
if(charindex('top',@QueryStr)=0)
begin
set @QueryStr=ltrim(@QueryStr)
set @QueryStr='select top 100 percent'+substring(@QueryStr,7,len(@QueryStr)-6)
end
exec('select '+@FdName+'=identity(int,0,1),'+@FdShow+'
into #tb from'+'('+@QueryStr+@tmpstr+@FdOrder +')'+ 'a'+'
select '+@FdShow+' from #tb where '+@FdName+' between '
+@Id1+' and '+@Id2
)