这是CSDN SQL Server 版主邹建的SQL笔记

				if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[p_RestoreDb]') and OBJECTPROPERTY(id, N'IsProcedure') = 1)
				drop procedure [dbo].[p_RestoreDb]
				GO
				
				/*--恢复指定目录下的所有数据库
				
					恢复的数据库名为备份文件名(不含扩展名)
					备份文件的扩展名固定为.bak
				
				--邹建 2003.10(引用请保留此信息)--*/
				
				/*--调用示例
				--恢复指定目录下的所有数据库
				exec p_RestoreDb @bkpath='c:\'
				
				--恢复指定目录下的指定数据库
				exec p_RestoreDb @bkpath='c:\',@bkfile='客户资料,xzkh_new'
				--*/
				create proc p_RestoreDb
				@bkpath nvarchar(1000)='', 	--定义备份文件的存放目录,默认为SQL的备份目录
				@bkfile nvarchar(4000)='',	--定义要恢复的备份文件名,不含扩展名
				@dbpath nvarchar(260)='',	--恢复后的数据库存放目录,不指定则为SQL的默认数据目录
				@overexist bit=1,	      	--是否覆盖已经存在的数据库,仅@retype为'DB'/'DBNOR'是有效
				@killuser bit=1			   	--是否关闭用户使用进程,仅@overexist=1时有效
				as
				declare @sql varchar(8000),@dbname sysname
				
				if isnull(@bkpath,'')=''
				begin
					select @bkpath=rtrim(reverse(filename)) from master..sysfiles where name='master'
					select @bkpath=substring(@bkpath,charindex('\',@bkpath)+1,4000)
						,@bkpath=reverse(substring(@bkpath,charindex('\',@bkpath),4000))+'BACKUP\'
				end
				else if right(@bkpath,1)'\' set @bkpath=@bkpath+'\'
				
				--得到恢复后的数据库存放目录
				if isnull(@dbpath,'')=''
				begin
					select @dbpath=rtrim(reverse(filename)) from master..sysfiles where name='master'
					select @dbpath=reverse(substring(@dbpath,charindex('\',@dbpath),4000))
				end
				else if right(@dbpath,1)'\' set @dbpath=@dbpath+'\'
				
				--得到指定目录下的所有备份文件
				create table #t(fname varchar(260),depth int,isf bit)
				insert into #t exec master..xp_dirtree @bkpath,1,1
				
				if isnull(@bkfile,'')=''
					declare tb cursor local for select fn=left(fname,patindex('%.bak',fname)-1) from #t
						where isf=1 and fname like '%.bak'  --取.bak文件
				else
				begin
					set @bkfile=','+replace(@bkfile,',','.bak,')+'.bak,'
					declare tb cursor local for select fn=left(fname,patindex('%.bak',fname)-1) from #t
						where isf=1 and fname like '%.bak' and @bkfile like '%,'+fname+',%'
				end
				
				--恢复数据库处理
				open tb
				fetch next from tb into @dbname
				while @@fetch_status=0
				begin
					--生成数据库恢复语句
					set @sql='restore database ['+@dbname
						+'] from disk='''+@bkpath+@dbname+'.bak'''
						+' with RECOVERY'
						+case when @overexist=1 then ',replace' else '' end
				
					--添加移动逻辑文件的处理
					--从备份文件中获取逻辑文件名
					declare @lfn nvarchar(128),@tp char(1),@i int
				
					--创建临时表,保存获取的信息
					create table #tb(ln nvarchar(128),pn nvarchar(260),tp char(1),fgn nvarchar(128),sz numeric(20,0),Msz numeric(20,0))
					--从备份文件中获取信息
					insert into #tb exec('restore filelistonly from disk='''+@bkpath+@dbname+'.bak''')
					declare #f cursor local for select ln,tp from #tb order by tp
					open #f
					fetch next from #f into @lfn,@tp
					set @i=0
					while @@fetch_status=0
					begin
						select @sql=@sql+',move '''+@lfn+''' to '''+@dbpath+@dbname+cast(@i as varchar)
							+case @tp when 'D' then '.mdf''' else '.ldf''' end
							,@i=@i+1
						fetch next from #f into @lfn,@tp
					end
					close #f
					deallocate #f
					drop table #tb
				
					--关闭用户进程处理
					if @overexist=1 and @killuser=1
					begin
						declare hCForEach cursor for
						select s='kill '+cast(spid as varchar) from master..sysprocesses 
						where dbid=db_id(@dbname)
						exec sp_msforeach_worker '?'
					end
				
					--恢复数据库
					exec(@sql)
					fetch next from tb into @dbname
				end
				close tb
				deallocate tb
				go