如：http://china.tancee.com/images.asp?url=xxx（xxx是要盗链的图片地址）
使用盗链后的图片地址：

http://china.tancee.com/images.asp?url=http://hiphotos.baidu.com/tancee/pic/item/c6a6a63076e56789a8018e16.jpg

这样就可以让
该图片仅限百度用户交流使用。
此图片来自QQ空间，未经允许，不得引用。
此图片仅限于新浪博客用户交流与沟通。
此图片仅限于网易用户交流沟通使用！
搜狐博客-相册 相逢的人会再相逢，此图片仅限于搜狐站内可见。
等等的杂碎不再让我们烦恼了~
而且可以无限使用那些网站的外链图片！

代码如下：

<%
Dim url, body, myCache

url = Request.QueryString(“url”)

Set myCache = new cache
myCache.name = “picindex”&url
If myCache.valid Then
body = myCache.value
Else
body = GetWebData(url)
myCache.add body,dateadd(“d”,1,now)
End If

If Err.Number = 0 Then
Response.CharSet = “UTF-8″
Response.ContentType = “application/octet-stream”
Response.BinaryWrite body
Response.Flush
Else
Wscript.Echo Err.Description
End if

‘取得数据
Public Function GetWebData(ByVal strUrl)
Dim curlpath
curlpath = Mid(strUrl,1,Instr(8,strUrl,”/”))
Dim Retrieval
Set Retrieval = Server.CreateObject(“Microsoft.XMLHTTP”)
With Retrieval
.Open “Get”, strUrl, False,”",”"
.setRequestHeader “Referer”, curlpath
.Send
GetWebData =.ResponseBody
End With
Set Retrieval = Nothing
End Function

/* anti-images:www.tancee.com */
‘cache类

class Cache
private obj ‘cache内容
private expireTime ‘过期时间
private expireTimeName ‘过期时间application名
private cacheName ‘cache内容application名
private path ‘url

private sub class_initialize()
path=request.servervariables(“url”)
path=left(path,instrRev(path,”/”))
end sub

private sub class_terminate()
end sub

public property get blEmpty
‘是否为空
if isempty(obj) then
blEmpty=true
else
blEmpty=false
end if
end property

public property get valid
‘是否可用(过期)
if isempty(obj) or not isDate(expireTime) then
valid=false
elseif CDate(expireTime)<now then
valid=false
else
valid=true
end if
end property
/* anti-images:www.tancee.com */
public property let name(str)
‘设置cache名
cacheName=str & path
obj=application(cacheName)
expireTimeName=str & “expires” & path
expireTime=application(expireTimeName)
end property

public property let expires(tm)
‘重设置过期时间
expireTime=tm
application.lock
application(expireTimeName)=expireTime
application.unlock
end property

public sub add(var,expire)
‘赋值
if isempty(var) or not isDate(expire) then
exit sub
end if
obj=var
expireTime=expire
application.lock
application(cacheName)=obj
application(expireTimeName)=expireTime
application.unlock
end sub

public property get value
‘取值
if isempty(obj) or not isDate(expireTime) then
value=null
elseif CDate(expireTime)<now then
value=null
else
value=obj
end if
end property

/* anti-images:www.tancee.com */

public sub makeEmpty()
‘释放application
application.lock
application(cacheName)=empty
application(expireTimeName)=empty
application.unlock
obj=empty
expireTime=empty
end sub

public function equal(var2)
‘比较
if typename(obj)<>typename(var2) then
equal=false
elseif typename(obj)=”Object” then
if obj is var2 then
equal=true
else
equal=false
end if
elseif typename(obj)=”Variant()” then
if join(obj,”^”)=join(var2,”^”) then
equal=true
else
equal=false
end if
else
if obj=var2 then
equal=true
else
equal=false
end if
end if
end function
end class
%>

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