CacheCls缓存的应用


            复制代码 代码如下:<% Rem ================================================================= Rem = 类:CacheCls Rem = 说明:缓存的应用 Rem = Revision:1.01 Beta Rem = 作者:熊氏英雄（cexo255） Rem = Date:2005/05/6 18:38:10 Rem = QQ:30133499 Rem = MySite:Http://www.Relaxlife.net Rem = 下载：Http://www.Relaxlife.net/cexo/Cache_pro.rar Rem = QQ群：4341998 Rem = 适用:对一些常用到，而又不常改变的数据放入缓存中，调用速度要比每次都要从数据库中读要快N陪 Rem ================================================================= CacheName = "RL" Class CacheCls     Private LocalCacheName, Cache_Data     Public Property Let Name(ByVal vNewValue)         LocalCacheName = LCase(vNewValue)         Cache_Data=Application(CacheName & "_" & LocalCacheName)     End Property     Public Property Let Value(ByVal vNewValue)         Dim N,i,NewValueArr         If LocalCacheName<>"" Then              N = CountInStr(vNewValue,"|")             NewValueArr = Split(vNewValue,"|",-1,1)             ReDim Cache_Data(N)             For i = 0 to N                 Cache_Data(i) = NewValueArr(i)             Next              Application.Lock             Application(CacheName & "_" & LocalCacheName) = Cache_Data             Application.unLock         Else             Response.Write "设置缓存出错，或缓存名不能为空，请重新更新缓存"             Response.End()         End If     End Property     Public Property Get Value()         If LocalCacheName<>"" Then                  If IsArray(Cache_Data) Then                 Value=Cache_Data             End If         Else             Response.Write "设置缓存出错，或缓存名不能为空，请重新更新缓存"             Response.End()         End If     End Property     '取指定缓存中的值     Public Function GetCacheValue(MyCaheName)         GetCacheValue = Application(CacheName & "_" & MyCaheName)     End Function     '取所有缓存名     Public Function GetallCacheName()         Dim Cacheobj         For Each Cacheobj in Application.Contents             GetallCacheName = GetallCacheName & Cacheobj & ","         Next         GetallCacheName = Left(GetallCacheName,Len(GetallCacheName)-1)         GetallCacheName = Replace(GetallCacheName,CacheName & "_","")     End Function     '释放缓存         Public Sub DelCahe(MyCaheName)         Application.Lock         Application.Contents.Remove(CacheName & "_" & MyCaheName)         Application.unLock     End Sub     '释放所有缓存     Public Sub RemoveAllCache()         Dim Cachelist,i         Cachelist=Split(GetallCacheName(),",")         If UBound(Cachelist)>0 Then             For i=0 to UBound(Cachelist)                 DelCahe Cachelist(i)             Next         End If     End Sub     '统计字符Char在Str中出现的次数     Private Function CountInStr(Str,Char)         CountInStr = 0         Dim i, CharLen         CharLen = Len(Char)         For i = 1 to Len(Str)             If Mid(Str, i, CharLen) = Char Then CountInStr = CountInStr + 1         Next     End Function End Class Dim CachePro  Set CachePro = New CacheCls '设置缓存“cexo255”和它的值："cexo2551|cexo2552|cexo2553|cexo2554|cexo2555" CachePro.Name = "cexo255" CachePro.Value = "cexo2551|cexo2552|cexo2553|cexo2554|cexo2555" '取当前缓存中的值 'CacheArr = CachePro.Value CachePro.Name = "wxf" CachePro.Value = "wxf" CachePro.Name = "dw" CachePro.Value = "dw" '释放缓存cexo255 'CachePro.DelCahe("cexo255") '释放所有缓存 'CachePro.RemoveAllCache '取cexo255缓存中的值 CacheArr = CachePro.GetCacheValue("cexo255") If isArray(CacheArr) Then     For i = 0 to UBound(CacheArr)         Response.Write CacheArr(i) & "<br>"     Next Else     Response.Write "缓存被释放！！！" End if Set CachePro = Nothing %>