asp备份,还原SQL数据库--非常好用.--2006-6-8-5

<form method="post" name="myform" action="?action=backupdatabase">
  选择操作：
  <input type="radio" name="act" id="act_backup"value="backup">
  <label for=act_backup>备份</label>
  <input type="radio" name="act" id="act_restore" value="restore">
  <label for=act_restore>恢复</label>
  <br>
  数据库名：
  <input type="text" name="databasename" value="<%=request("databasename")%>">
  <br>
  文件路径：
  <input type="text" name="bak_file" value="c:/$1.bak">
  (备份或恢复的文件路径)<br>
  <input type="submit" value="确定" id=submit1 name=submit1>
</form>
<%
'sql server 数据库的备份与恢复!
if request("action")="backupdatabase" then
 dim sqlserver,sqlname,sqlpassword,sqllogintimeout,databasename,bak_file,act
 '**************************************************************************
 sqlserver = "127.0.0.1"
 sqlname = "sa "
 sqlpassword ="111"
 sqllogintimeout = 15
 databasename = trim(request("databasename"))
 bak_file = trim(request("bak_file"))
 bak_file = replace(bak_file,"$1",databasename)
 act = lcase(request("act"))
 '**************************************************************************
 if databasename = "" then
  response.write "input database name"
 else
  if act = "backup" then
   set srv=server.createobject("sqldmo.sqlserver")
   srv.logintimeout = sqllogintimeout
   srv.connect sqlserver,sqlname, sqlpassword
   set bak = server.createobject("sqldmo.backup")
   bak.database=databasename
   bak.devices=files
   bak.action   = 0
   bak.initialize   = 1
   'bak.replace        = true
   bak.files=bak_file
   bak.sqlbackup srv
    if err.number>0 then
     response.write err.number&"<font color=red><br>"
     response.write err.description&"</font>"
    end if
  response.write "<font color=green>备份成功!</font>"
  end if
  
  if act="restore" then
  '恢复时要在没有使用数据库时进行！
   set srv=server.createobject("sqldmo.sqlserver")
   srv.logintimeout = sqllogintimeout
   srv.connect sqlserver,sqlname, sqlpassword
   set rest=server.createobject("sqldmo.restore")
   rest.action=0 ' full db restore
   rest.database=databasename
   rest.devices=files
   rest.files=bak_file
   rest.replacedatabase=true 'force restore over existing database
    if err.number>0 then
     response.write err.number&"<font color=red><br>"
     response.write err.description&"</font>"
    end if
   rest.sqlrestore srv
   response.write "<font color=green>恢复成功!</font>"
  else
   response.write "<font color=red>没有选择操作</font>"
  end if
 end if
end if
%>