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ASP
从文本文件中读取信息并存储入数据库
文本搜索
FileSystemObject处理文件
设计 FileSystemObject
处理驱动器和文件夹
用ASP做一个TOP COOL的站内搜索
怎样读取一个文本文件的内容?
在线用表单建立文件夹
filesystemobject组件的用法示例
ASP中文本文件与数据库文件的数据交换(FSO)
读取目录下的所有文件(包括子目录下的所有文件)
ASP中FSO的神奇功能 - FSO不能做到的
ASP中FSO的神奇功能 - 用FSO进行内容管理
ASP中FSO的神奇功能 - 使用FSO进行搜索
ASP中FSO的神奇功能 - 权限许可
ASP中FSO的神奇功能 - 文件读取
ASP中FSO的神奇功能 - 写文件
ASP中FSO的神奇功能 - 简介
读取目录下的文件得到一个数组
奇妙的文件系统对象组件

ASP 中的 不错的主要用于加密的vbs(asp)位移运算类


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-09-13   浏览: 98 ::
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<script language="vbscript">
' Aother: 奔腾的心
' QQ: 7180001
' Date: 2008-01-17
Class mShift
Private m_lPower2(31)
Public Function RShift(ByVal lThis, ByVal lBits)
On Error Resume Next
Init
If (lBits <= 0) Then
RShift = lThis
ElseIf (lBits > 63) Then
' .. error ...
ElseIf (lBits > 31) Then
RShift = 0
Else
If (lThis And m_lPower2(31 - lBits)) = m_lPower2(31 - lBits) Then
RShift = (lThis And (m_lPower2(31 - lBits) - 1)) * m_lPower2(lBits) Or
m_lPower2(31)
Else
RShift = (lThis And (m_lPower2(31 - lBits) - 1)) * m_lPower2(lBits)
End If
End If
End Function
Public Function LShift(ByVal lThis, ByVal lBits)
On Error Resume Next
Init
If (lBits <= 0) Then
LShift = lThis
ElseIf (lBits > 63) Then
' ... error ...
ElseIf (lBits > 31) Then
LShift = 0
Else
If (lThis And m_lPower2(31)) = m_lPower2(31) Then
LShift = (lThis And &H7FFFFFFF) \ m_lPower2(lBits) Or m_lPower2(31 - lBits)
Else
LShift = lThis \ m_lPower2(lBits)
End If
End If
End Function
Private Sub Init()
On Error Resume Next
m_lPower2(0) = &H1&
m_lPower2(1) = &H2&
m_lPower2(2) = &H4&
m_lPower2(3) = &H8&
m_lPower2(4) = &H10&
m_lPower2(5) = &H20&
m_lPower2(6) = &H40&
m_lPower2(7) = &H80&
m_lPower2(8) = &H100&
m_lPower2(9) = &H200&
m_lPower2(10) = &H400&
m_lPower2(11) = &H800&
m_lPower2(12) = &H1000&
m_lPower2(13) = &H2000&
m_lPower2(14) = &H4000&
m_lPower2(15) = &H8000&
m_lPower2(16) = &H10000
m_lPower2(17) = &H20000
m_lPower2(18) = &H40000
m_lPower2(19) = &H80000
m_lPower2(20) = &H100000
m_lPower2(21) = &H200000
m_lPower2(22) = &H400000
m_lPower2(23) = &H800000
m_lPower2(24) = &H1000000
m_lPower2(25) = &H2000000
m_lPower2(26) = &H4000000
m_lPower2(27) = &H8000000
m_lPower2(28) = &H10000000
m_lPower2(29) = &H20000000
m_lPower2(30) = &H40000000
m_lPower2(31) = &H80000000
End Sub
End Class
Dim sft
Set sft = New mShift
MsgBox sft.RShift(200, 4)
MsgBox sft.LShift(200, 4)
Set sft = Nothing
</script>

<script language="javascript">
alert(200<<4);
alert(200>>4);
</script>