最好让这个页和你要缓存的页在一个目录下,要不有些相对路径的图片就无法显示了,另外缓存有的页面会出现乱码,我还不知道怎么解决这个问题呢,可能在Response的时候需要设置一下编码类型,大家可以试试
<%
Dim wawa,StarTime,EndTime
StarTime=Timer()
Set wawa=new Cls_Cache
wawa.Reloadtime=0.5
wawa.CacheName="wawa"
wawa.Name="XmlInfoIndex"
If wawa.ObjIsEmpty() Then CacheXmlInfoIndex()
Response.Write wawa.value
EndTime=Timer()
Response.Write "<br>执行时间：" & FormatNumber((Endtime-StarTime)*1000,5) & "毫秒。"
Sub CacheXmlInfoIndex()
Dim BodyText, xml
Set xml = Server.CreateObject("Microsoft.XMLHTTP")
'把下面的地址替换成你的首页的文件地址,一定要用http://开头的绝对路径,不能写相对路径
xml.Open "GET", "http://onlytiancai/bak/vote/InfoIndex.asp", False
xml.Send
BodyText=xml.ResponseBody
BodyText=BytesToBstr(BodyText,"gb2312")
wawa.Value=BodyText
Set xml = Nothing
End Sub
Function BytesToBstr(body,Cset)
dim objstream
set objstream = Server.CreateObject("adodb.stream")
objstream.Type = 1
objstream.Mode =3
objstream.Open
objstream.Write body
objstream.Position = 0
objstream.Type = 2
objstream.Charset = Cset
BytesToBstr = objstream.ReadText
objstream.Close
set objstream = nothing
End Function
%>
<%
'下面这个类可以保存在单独的文件里,然后包含到此页
Class Cls_Cache
Rem ==================使用说明==============================================
Rem = 本类模块是动网先锋原创，作者：迷城浪子。如采用本类模块，请不要去掉这个说明。这段注释不会影响执行的速度。=
Rem = 作用：缓存和缓存管理类 =
Rem = 公有变量：Reloadtime 过期时间（单位为分钟）缺省值为14400, =
Rem = MaxCount 缓存对象的最大值，超过则自动删除使用次数少的对象。缺省值为300 =
Rem = CacheName 缓存组的总名称，缺省值为"Dvbbs",如果一个站点中有超过一个缓存组，则需要外部改变这个值。 =
Rem = 属性:Name 定义缓存对象名称，只写属性。 =
Rem = 属性:value 读取和写入缓存数据。 =
Rem = 函数：ObjIsEmpty()判断当前缓存是否过期。 =
Rem = 方法：DelCahe(MyCaheName)手工删除一个缓存对象，参数是缓存对象的名称。 =
Rem ===========================================================
Public Reloadtime,MaxCount,CacheName
Private LocalCacheName,CacheData,DelCount
Private Sub Class_Initialize()
Reloadtime=14400
CacheName="Dvbbs"
End Sub
Private Sub SetCache(SetName,NewValue)
Application.Lock
Application(SetName) = NewValue
Application.unLock
End Sub
Private Sub makeEmpty(SetName)
Application.Lock
Application(SetName) = Empty
Application.unLock
End Sub
Public Property Let Name(ByVal vNewValue)
LocalCacheName=LCase(vNewValue)
End Property
Public Property Let Value(ByVal vNewValue)
If LocalCacheName<>"" Then
CacheData=Application(CacheName&"_"&LocalCacheName)
If IsArray(CacheData) Then
CacheData(0)=vNewValue
CacheData(1)=Now()
Else
ReDim CacheData(2)
CacheData(0)=vNewValue
CacheData(1)=Now()
End If
SetCache CacheName&"_"&LocalCacheName,CacheData
Else
Err.Raise vbObjectError + 1, "DvbbsCacheServer", " please change the CacheName."
End If
End Property
Public Property Get Value()
If LocalCacheName<>"" Then
CacheData=Application(CacheName&"_"&LocalCacheName)
If IsArray(CacheData) Then
Value=CacheData(0)
Else
Err.Raise vbObjectError + 1, "DvbbsCacheServer", " The CacheData Is Empty."
End If
Else
Err.Raise vbObjectError + 1, "DvbbsCacheServer", " please change the CacheName."
End If
End Property
Public Function ObjIsEmpty()
ObjIsEmpty=True
CacheData=Application(CacheName&"_"&LocalCacheName)
If Not IsArray(CacheData) Then Exit Function
If Not IsDate(CacheData(1)) Then Exit Function
If DateDiff("s",CDate(CacheData(1)),Now()) < 60*Reloadtime Then
ObjIsEmpty=False
End If
End Function
Public Sub DelCahe(MyCaheName)
makeEmpty(CacheName&"_"&MyCaheName)
End Sub
End Class
%>
Asp提高首页性能的一个技巧
