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一个asp快速字符串连接类

 2006-03-21 10:34:58 来源:WEB开发网   
核心提示:<%'%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%'快速字符串连接类'%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%'名称:Class_FastString'来源:http://www.jansfreeware.com&

<%
'%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
'快速字符串连接类
'%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
'名称:Class_FastString
'来源:http://www.jansfreeware.com
'整理:qihangnet
'更新:2005年6月15日
'作用:高效地进行字符串连接,比 str = str & "abc"的方法快很多
'授权:免费使用
'%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

Class Class_FastString

'************************************
'变量定义
'************************************
'index --- 字符串数组的下标
'ub ------ 用于调整数组度数的整数变量
'ar() ---- 字符串数组

PRivate index, ub, ar()

'************************************
'实例 初始化/终止
'************************************

Private Sub Class_Initialize()
Redim ar(50)
index = 0
ub = 49
End Sub

Private Sub Class_Terminate()
Erase ar
End Sub

'************************************
'事件
'************************************

'默认事件,添加字符串
Public Default Sub Add(value)
ar(index) = value
index = index+1
If index>ub Then
ub = ub + 50
Redim Preserve ar(ub)
End if
End Sub

'************************************
'方法
'************************************

'返回连接后的字符串
Public Function Dump
Redim preserve ar(index-1)
Dump = join(ar,"") '关键所在哦^_^
End Function

End class
%>

Tags:一个 asp 快速

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