捌度空间 缓存类代码复制代码 代码如下:<% 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 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 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 %>使用方法：复制代码 代码如下: set myCache=new cache myCache.name="flash1" If myCache.valid then StartGet = myCache.value Else StartGet = GetHttpPage(HttpUrl) myCache.add StartGet,dateadd("h",3,Now) End if List=GetBody(StartGet,"</form>","<!-- ********网页中部代码结束******** -->",False,False)

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复制代码 代码如下:<% Response.Expires = 0 Response.expiresabsolute = Now() - 1 Response.addHeader "pragma", "no-cache" Response.addHeader "cache-control", "private" Response.CacheControl = ">>>详细阅读

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