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
%>



相关阅读:
fedora 7下配置postfix邮件系统
分享两个漂亮css的统计实例
微软或将Windows 7售价下调至100美元 以保证市场占有率
*.HTC文件的简单介绍
CSS sprite实例教程:li:hover修改密码
ASP.net(VB)编程入门进阶 Ⅱ
js兼容标准的表格变色效果
svm各种工具箱 方法以后查找
asp 读取文件和保存文件函数代码
css教程:网页字体及字体大小的设计
操作系统Windows 7的全新的任务栏
Javascript 面向对象之重载
CSS编辑器:TopStyle Pro使用技巧
asp+Ajax简单客户登陆验证
快速导航

Copyright © 2016 phpStudy |