if exists(
select * from sysobjects
where name='pr_backup_db' and xtype='p'
)
begin
drop proc pr_backup_db
end
go
/*備份數據庫*/
create proc pr_backup_db
@flag varchar(10) out,
@backup_db_name varchar(128),
@filename varchar(1000) --路徑＋文件名字
as
declare @sql nvarchar(4000),@par nvarchar(1000)
select @par='@filename varchar(1000)'
select @sql='BACKUP DATABASE '+@backup_db_name+' to disk=@filename with init'
execute sp_executesql @sql,@par,@filename
select @flag='ok'
go
if exists(
select * from sysobjects
where name='fn_GetFilePath' and xtype='fn'
)
begin
drop function fn_GetFilePath
end
go
/*創建函數,得到文件得路徑*/
create function fn_GetFilePath(@filename nvarchar(260))
returns nvarchar(260)
as
begin
declare @file_path nvarchar(260)
declare @filename_reverse nvarchar(260)
select @filename_reverse=reverse(@filename)
select @file_path=substring(@filename,1,len(@filename)+1-charindex('\',@filename_reverse))
return @file_path
end
go
if exists(
select * from sysobjects
where name='pr_restore_db' and xtype='p'
)
begin
drop proc pr_restore_db
end
go
create proc pr_restore_db /*恢復數據庫*/
@flag varchar(20) out, /*過程運行的狀態標志,是輸入參數*/
@restore_db_name nvarchar(128), /*要恢復的數據名字*/
@filename nvarchar(260) /*備份文件存放的路徑+備份文件名字*/
as
declare @proc_result tinyint /*返回系統存儲過程xp_cmdshell運行結果*/
declare @loop_time smallint /*循環次數*/
declare @max_ids smallint /*@tem表的ids列最大數*/
declare @file_bak_path nvarchar(260) /*原數據庫存放路徑*/
declare @flag_file bit /*文件存放標志*/
declare @master_path nvarchar(260) /*數據庫master文件路徑*/
declare @sql nvarchar(4000),@par nvarchar(1000)
declare @sql_sub nvarchar(4000)
declare @sql_cmd nvarchar(4000)
/*
判斷參數@filename文件格式合法性，以防止用戶輸入類似d: 或者 c:\a\ 等非法文件名
參數@filename裡面必須有'\'並且不以'\'結尾
*/
if right(@filename,1)<>'\' and charindex('\',@filename)<>0
begin
select @sql_cmd='dir '+@filename
EXEC @proc_result = master..xp_cmdshell @sql_cmd,
