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asp 在线备份与恢复sqlserver数据库的代码

2019-11-20 17:41 来源:互联网 编辑:admin

asp在线备份sql server数据库:
1、备份sqlserver
复制代码 代码如下:

<%
SQL="backup database 数据库名 to disk='"&Server.MapPath("backup")&"\"&"backuptext.dat"&"'"
set cnn=Server.createobject("adodb.connection")
cnn.open "driver={SQL Server};Server=服务器名;uid=sa;pwd="
cnn.execute SQL
on error resume next
if err<>0 then
response.wrITe "错误:"&err.Descripting
else
response.wrITe "数据备份成功!"
end if
%>

2、恢复sqlserver
复制代码 代码如下:

<%
SQL="Restore database 数据库名 from disk='"&Server.MapPath("backup")&"\"&"backuptext.dat"&"'"
set cnn=Server.createobject("adodb.connection")
cnn.open "driver={SQL Server};Server=服务器名;uid=sa;pwd="
cnn.execute SQL
on error resume next
if err<>0 then
response.wrITe "错误:"&err.Descripting
else
response.wrITe "数据恢复成功!"
end if
%>

ACCESS原理一样
复制代码 代码如下:

<%
'*****************************************
function CopyTo(ByVal cFile,ByVal toFile)
cFile=Server.MapPath(cFile) ‘所要备份的文件
toFile=Server.MapPath(toFile) ‘备份文件
Dim cFso,cf
set cFso=Server.CreateObject("Scripting.FileSystemObject")
cFso.fileexists(cFile)
cFso.Copyfile cFile,toFile
end function
'*********************************************
' ASP实现备份及恢复ACCESS数据库操作
'本页面为 databackup.asp
dim dbpath,bkfolder,bkdbname,fso,fso1
call main()
call main2()
conn.close
set conn=nothing
sub main()
if request("action")="Backup" then
call backupdata()
else
%>
<table cellspacing=1 cellpadding=1 align=center width="90%">
<tr>
<th height=25 >
  <B>数据库备份</B>
</th>
</tr>
<form method="post" action="databackup.asp?action=Backup">
<tr>
<td height=100 style="line-height:150%">
  
当前数据库路径(相对路径):
<input type=text size=15 name=DBpath value="../mdb/database.mdb"><BR>
   备份数据库目录(相对路径):
<input type=text size=15 name=bkfolder value=../Databackup> 如目录不存在,程序将自动创建<BR>
   备份数据库名称(填写名称):
<input type=text size=15 name=bkDBname value=database.mdb>  如备份目录有该

文件,将覆盖,如没有,将自动创建<BR>
  <input type=submIT value="备份数据"><hr align="center" width="90%" color="#999999"></td>
</tr>
</form>
</table>
<%
end if
end sub
sub main2()
if request("action")="Restore" then
Dbpath=request.form("Dbpath")
backpath=request.form("backpath")
if dbpath="" then
response.wrITe "请输入您要恢复成的数据库全名"
else
Dbpath=server.mappath(Dbpath)
end if
backpath=server.mappath(backpath)
Response.wrITe Backpath
Set Fso=server.createobject("scripting.filesystemobject")
if fso.fileexists(dbpath) then
fso.copyfile Dbpath,Backpath
response.wrITe "<font color=red>成功恢复数据!</font>"
else
response.wrITe "<font color=red>备份目录下并无您的备份文件!</font>"
end if
else
%>
<table align=center cellspacing=1 cellpadding=1 width="90%">
<tr>
<th height=25 >
  <B>恢复数据库</B>
</th>
</tr>
<form method="post" action="databackup.asp?action=Restore">
<tr>
<td height=100 >
  备份数据库路径(相对):
<input type=text size=30 name=DBpath value="../Databackup/database.mdb">  <BR>
  当前数据库路径(相对):
<input type=text size=30 name=backpath value="../mdb/database.mdb"><BR>
  <input type=submIT value="恢复数据"> <hr width="90%" align="center" color="#999999">
  <font color="#666666">·注意:所有路径都是相对路径   </font></td>
</tr>
</form>
</table>
<%
end if
end sub
sub backupdata()
Dbpath=request.form("Dbpath")
Dbpath=server.mappath(Dbpath)
bkfolder=request.form("bkfolder")
bkdbname=request.form("bkdbname")
Set Fso=server.createobject("scripting.filesystemobject")
if fso.fileexists(dbpath) then
If CheckDir(bkfolder) = True Then
fso.copyfile dbpath,bkfolder& "\\"& bkdbname
else
MakeNewsDir bkfolder
fso.copyfile dbpath,bkfolder& "\\"& bkdbname
end if
response.wrITe "<font color=red>备份数据库成功,您备份的数据库路径为" &bkfolder& "\\"& bkdbname+"</font>"
Else
response.wrITe "<font color=red>找不到您所需要备份的文件。</font>"
End if
end sub
'------------------检查某一目录是否存在-------------------
Function CheckDir(FolderPath)
folderpath=Server.MapPath(".")&"\\"&folderpath
Set fso1 = CreateObject("Scripting.FileSystemObject")
If fso1.FolderExists(FolderPath) then
'存在
CheckDir = True
Else
'不存在
CheckDir = False
End if
Set fso1 = nothing
End Function
'-------------根据指定名称生成目录---------
Function MakeNewsDir(foldername)
dim f
Set fso1 = CreateObject("Scripting.FileSystemObject")
Set f = fso1.CreateFolder(foldername)
MakeNewsDir = True
Set fso1 = nothing
End Function
%>

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