<%
'*******************************************************************
'取得IP地址
'*******************************************************************
Function Userip()
Dim GetClientIP
'如果客户端用了代理服务器，则应该用ServerVariables("HTTP_X_FORWARDED_FOR")方法
GetClientIP = Request.ServerVariables("HTTP_X_FORWARDED_FOR")
If GetClientIP = "" or IsNull(GetClientIP) or IsEmpty(GetClientIP) Then
'如果客户端没用代理，应该用Request.ServerVariables("REMOTE_ADDR")方法
GetClientIP = Request.ServerVariables("REMOTE_ADDR")
End If
Userip = GetClientIP
End Function
'*******************************************************************
'转换IP地址
'*******************************************************************
Function cip(sip)
tip = CStr(sip)
sip1 = Left(tip, CInt(InStr(tip, ".") -1))
tip = Mid(tip, CInt(InStr(tip, ".") + 1))
sip2 = Left(tip, CInt(InStr(tip, ".") -1))
tip = Mid(tip, CInt(InStr(tip, ".") + 1))
sip3 = Left(tip, CInt(InStr(tip, ".") -1))
sip4 = Mid(tip, CInt(InStr(tip, ".") + 1))
cip = CInt(sip1) * 256 * 256 * 256 + CInt(sip2) * 256 * 256 + CInt(sip3) * 256 + CInt(sip4)
End Function
'*******************************************************************
' 弹出对话框
'*******************************************************************
Sub alert(message)
message = Replace(message, "'", "\'")
Response.Write ("<script>alert('" & message & "')</script>")
End Sub
'*******************************************************************
' 返回上一页，一般用在判断信息提交是否完全之后
'*******************************************************************
Sub GoBack()
Response.Write ("<script>history.go(-1)</script>")
End Sub
'*******************************************************************
' 重定向另外的连接
'*******************************************************************
Sub Go(url)
Response.Write ("<script>location.href('" & url & "')</script>")
End Sub
'*******************************************************************
' 我比较喜欢将以上三个结合起来使用
'*******************************************************************
Function Alert(message, gourl)
message = Replace(message, "'", "\'")
If gourl = "-1" Then
Response.Write ("<script language=javascript>alert('" & message & "');history.go(-1)</script>")
Else
Response.Write ("<script language=javascript>alert('" & message & "');location='" & gourl &"'</script>")
End If
Response.End()
End Function
'*******************************************************************
' 指定秒数重定向另外的连接
'*******************************************************************
Sub GoPage(url, s)
s = s * 1000
Response.Write "<SCRIPT LANGUAGE=JavaScript>"
Response.Write "window.setTimeout("&Chr(34)&"window.navigate('"&url&"')"&Chr(34)&","&s&")"
Response.Write "</script>"
End Sub
'*******************************************************************
' 判断数字是否整形
'*******************************************************************
Function isInteger(para)
On Error Resume Next
Dim Str
Dim l, i
If IsNull(para) Then
isInteger = False
Exit Function
End If
Str = CStr(para)
If Trim(Str) = "" Then
isInteger = False
Exit Function
End If
l = Len(Str)
For i = 1 To l
If Mid(Str, i, 1)>"9" or Mid(Str, i, 1)<"0" Then
isInteger = False
Exit Function
End If
Next
isInteger = True
If Err.Number<>0 Then Err.Clear
End Function
'*******************************************************************
' 获得文件扩展名
'*******************************************************************
Function GetExtend(filename)
Dim tmp
If filename<>"" Then
tmp = Mid(filename, instrrev(filename, ".") + 1, Len(filename) - instrrev(filename, "."))
tmp = LCase(tmp)
If InStr(1, tmp, "asp")>0 or InStr(1, tmp, "php")>0 or InStr(1, tmp, "php3")>0 or InStr(1, tmp, "aspx")>0 Then
getextend = "txt"
Else
getextend = tmp
End If
Else
getextend = ""
End If
End Function
' *----------------------------------------------------------------------------
' * 函数：CheckIn
' * 描述：检测参数是否有SQL危险字符
' * 参数：str要检测的数据
' * 返回：FALSE：安全 TRUE：不安全
' * 作者：
' * 日期：
' *----------------------------------------------------------------------------
Function CheckIn(Str)
If InStr(1, Str, Chr(39))>0 or InStr(1, Str, Chr(34))>0 or InStr(1, Str, Chr(59))>0 Then
CheckIn = True
Else
CheckIn = False
End If
End Function
' *----------------------------------------------------------------------------
' * 函数：HTMLEncode
' * 描述：过滤HTML代码
' * 参数：--
' * 返回：--
' * 作者：
' * 日期：
' *----------------------------------------------------------------------------
Function HTMLEncode(fString)
If Not IsNull(fString) Then
fString = Replace(fString, ">", ">")
fString = Replace(fString, "<", "<")
fString = Replace(fString, Chr(32), " ")
fString = Replace(fString, Chr(9), " ")
fString = Replace(fString, Chr(34), """)
fString = Replace(fString, Chr(39), "'")
fString = Replace(fString, Chr(13), "")
fString = Replace(fString, Chr(10) & Chr(10), "</P><P> ")
fString = Replace(fString, Chr(10), "<BR> ")
HTMLEncode = fString
End If
End Function
' *----------------------------------------------------------------------------
' * 函数：HTMLcode
' * 描述：过滤表单字符
' * 参数：--
' * 返回：--
' * 作者：
' * 日期：
' *----------------------------------------------------------------------------
Function HTMLcode(fString)
If Not IsNull(fString) Then
fString = Replace(fString, Chr(13), "")
fString = Replace(fString, Chr(10) & Chr(10), "</P><P>")
fString = Replace(fString, Chr(34), "")
fString = Replace(fString, Chr(10), "<BR>")
HTMLcode = fString
End If
End Function
%>
<%
1.检查是否有效邮件地址
Function CheckEmail(strEmail)
Dim re
Set re = New RegExp
re.Pattern = "^[w-.]{1,}@([da-zA-Z-]{1,}.){1,}[da-zA-Z-]{2,3}$"
re.IgnoreCase = True
CheckEmail = re.Test(strEmail)
End Function
2.测试变量是否为空值，空值的含义包括：变量不存在 / 为空，对象为Nothing，0，空数组，字符串为空
Function IsBlank(ByRef Var)
IsBlank = False
Select Case True
Case IsObject(Var)
If Var Is Nothing Then IsBlank = True
Case IsEmpty(Var), IsNull(Var)
IsBlank = True
Case IsArray(Var)
If UBound(Var) = 0 Then IsBlank = True
Case IsNumeric(Var)
If (Var = 0) Then IsBlank = True
Case Else
If Trim(Var) = "" Then IsBlank = True
End Select
End Function
3.得到浏览器目前的URL
Function GetCurURL()
If Request.ServerVariables("HTTPS") = "on" Then
GetCurrentURL = "https://"
Else
GetCurrentURL = "http://"
End If
GetCurURL = GetCurURL & Request.ServerVariables("SERVER_NAME")
If (Request.ServerVariables("SERVER_PORT") <> 80) Then GetCurURL = GetCurURL & ":" & Request.ServerVariables("SERVER_PORT")
GetCurURL = GetCurURL & Request.ServerVariables("URL")
If (Request.QueryString <> "") Then GetCurURL = GetCurURL & "?" & Request.QueryString
End Function
4.MD5加密函数
Private Const BITS_TO_A_BYTE = 8
Private Const BYTES_TO_A_WORD = 4
Private Const BITS_TO_A_WORD = 32
Private m_lOnBits(30)
Private m_l2Power(30)
m_lOnBits(0) = CLng(1)
m_lOnBits(1) = CLng(3)
m_lOnBits(2) = CLng(7)
m_lOnBits(3) = CLng(15)
m_lOnBits(4) = CLng(31)
m_lOnBits(5) = CLng(63)
m_lOnBits(6) = CLng(127)
m_lOnBits(7) = CLng(255)
m_lOnBits(8) = CLng(511)
m_lOnBits(9) = CLng(1023)
m_lOnBits(10) = CLng(2047)
m_lOnBits(11) = CLng(4095)
m_lOnBits(12) = CLng(8191)
m_lOnBits(13) = CLng(16383)
m_lOnBits(14) = CLng(32767)
m_lOnBits(15) = CLng(65535)
m_lOnBits(16) = CLng(131071)
m_lOnBits(17) = CLng(262143)
m_lOnBits(18) = CLng(524287)
m_lOnBits(19) = CLng(1048575)
m_lOnBits(20) = CLng(2097151)
m_lOnBits(21) = CLng(4194303)
m_lOnBits(22) = CLng(8388607)
m_lOnBits(23) = CLng(16777215)
m_lOnBits(24) = CLng(33554431)
m_lOnBits(25) = CLng(67108863)
m_lOnBits(26) = CLng(134217727)
m_lOnBits(27) = CLng(268435455)
m_lOnBits(28) = CLng(536870911)
m_lOnBits(29) = CLng(1073741823)
m_lOnBits(30) = CLng(2147483647)
m_l2Power(0) = CLng(1)
m_l2Power(1) = CLng(2)
m_l2Power(2) = CLng(4)
m_l2Power(3) = CLng(8)
m_l2Power(4) = CLng(16)
m_l2Power(5) = CLng(32)
m_l2Power(6) = CLng(64)
m_l2Power(7) = CLng(128)
m_l2Power(8) = CLng(256)
m_l2Power(9) = CLng(512)
m_l2Power(10) = CLng(1024)
m_l2Power(11) = CLng(2048)
m_l2Power(12) = CLng(4096)
m_l2Power(13) = CLng(8192)
m_l2Power(14) = CLng(16384)
m_l2Power(15) = CLng(32768)
m_l2Power(16) = CLng(65536)
m_l2Power(17) = CLng(131072)
m_l2Power(18) = CLng(262144)
m_l2Power(19) = CLng(524288)
m_l2Power(20) = CLng(1048576)
m_l2Power(21) = CLng(2097152)
m_l2Power(22) = CLng(4194304)
m_l2Power(23) = CLng(8388608)
m_l2Power(24) = CLng(16777216)
m_l2Power(25) = CLng(33554432)
m_l2Power(26) = CLng(67108864)
m_l2Power(27) = CLng(134217728)
m_l2Power(28) = CLng(268435456)
m_l2Power(29) = CLng(536870912)
m_l2Power(30) = CLng(1073741824)
Private Function LShift(lValue, iShiftBits)
If iShiftBits = 0 Then
LShift = lValue
Exit Function
ElseIf iShiftBits = 31 Then
If lValue And 1 Then
LShift = &H80000000
Else
LShift = 0
End If
Exit Function
ElseIf iShiftBits < 0 or iShiftBits > 31 Then
Err.Raise 6
End If
If (lValue And m_l2Power(31 - iShiftBits)) Then
LShift = ((lValue And m_lOnBits(31 - (iShiftBits + 1))) * m_l2Power(iShiftBits)) or &H80000000
Else
LShift = ((lValue And m_lOnBits(31 - iShiftBits)) * m_l2Power(iShiftBits))
End If
End Function
Private Function RShift(lValue, iShiftBits)
If iShiftBits = 0 Then
RShift = lValue
Exit Function
ElseIf iShiftBits = 31 Then
If lValue And &H80000000 Then
RShift = 1
Else
RShift = 0
End If
Exit Function
ElseIf iShiftBits < 0 or iShiftBits > 31 Then
Err.Raise 6
End If
RShift = (lValue And &H7FFFFFFE) m_l2Power(iShiftBits)
If (lValue And &H80000000) Then
RShift = (RShift or (&H40000000 m_l2Power(iShiftBits - 1)))
End If
End Function
Private Function RotateLeft(lValue, iShiftBits)
RotateLeft = LShift(lValue, iShiftBits) or RShift(lValue, (32 - iShiftBits))
End Function
Private Function AddUnsigned(lX, lY)
Dim lX4
Dim lY4
Dim lX8
Dim lY8
Dim lResult
lX8 = lX And &H80000000
lY8 = lY And &H80000000
lX4 = lX And &H40000000
lY4 = lY And &H40000000
lResult = (lX And &H3FFFFFFF) + (lY And &H3FFFFFFF)
If lX4 And lY4 Then
lResult = lResult Xor &H80000000 Xor lX8 Xor lY8
ElseIf lX4 or lY4 Then
If lResult And &H40000000 Then
lResult = lResult Xor &HC0000000 Xor lX8 Xor lY8
Else
lResult = lResult Xor &H40000000 Xor lX8 Xor lY8
End If
Else
lResult = lResult Xor lX8 Xor lY8
End If
AddUnsigned = lResult
End Function
Private Function F(x, y, z)
F = (x And y) or ((Not x) And z)
End Function
Private Function G(x, y, z)
G = (x And z) or (y And (Not z))
End Function
Private Function H(x, y, z)
H = (x Xor y Xor z)
End Function
Private Function I(x, y, z)
I = (y Xor (x or (Not z)))
End Function
Private Sub FF(a, b, c, d, x, s, ac)
a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac))
a = RotateLeft(a, s)
a = AddUnsigned(a, b)
End Sub
Private Sub GG(a, b, c, d, x, s, ac)
a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac))
a = RotateLeft(a, s)
a = AddUnsigned(a, b)
End Sub
Private Sub HH(a, b, c, d, x, s, ac)
a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac))
a = RotateLeft(a, s)
a = AddUnsigned(a, b)
End Sub
Private Sub II(a, b, c, d, x, s, ac)
a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac))
a = RotateLeft(a, s)
a = AddUnsigned(a, b)
End Sub
Private Function ConvertToWordArray(sMessage)
Dim lMessageLength
Dim lNumberOfWords
Dim lWordArray()
Dim lBytePosition
Dim lByteCount
Dim lWordCount
Const MODULUS_BITS = 512
Const CONGRUENT_BITS = 448
lMessageLength = Len(sMessage)
lNumberOfWords = (((lMessageLength + ((MODULUS_BITS - CONGRUENT_BITS) BITS_TO_A_BYTE)) (MODULUS_BITS BITS_TO_A_BYTE)) + 1) * (MODULUS_BITS BITS_TO_A_WORD)
ReDim lWordArray(lNumberOfWords - 1)
lBytePosition = 0
lByteCount = 0
Do Until lByteCount >= lMessageLength
lWordCount = lByteCount BYTES_TO_A_WORD
lBytePosition = (lByteCount Mod BYTES_TO_A_WORD) * BITS_TO_A_BYTE
lWordArray(lWordCount) = lWordArray(lWordCount) or LShift(Asc(Mid(sMessage, lByteCount + 1, 1)), lBytePosition)
lByteCount = lByteCount + 1
Loop
lWordCount = lByteCount BYTES_TO_A_WORD
lBytePosition = (lByteCount Mod BYTES_TO_A_WORD) * BITS_TO_A_BYTE
lWordArray(lWordCount) = lWordArray(lWordCount) or LShift(&H80, lBytePosition)
lWordArray(lNumberOfWords - 2) = LShift(lMessageLength, 3)
lWordArray(lNumberOfWords - 1) = RShift(lMessageLength, 29)
ConvertToWordArray = lWordArray
End Function
Private Function WordToHex(lValue)
Dim lByte
Dim lCount
For lCount = 0 To 3
lByte = RShift(lValue, lCount * BITS_TO_A_BYTE) And m_lOnBits(BITS_TO_A_BYTE - 1)
WordToHex = WordToHex & Right("0" & Hex(lByte), 2)
Next
End Function
Public Function MD5(sMessage)
Dim x
Dim k
Dim AA
Dim BB
Dim CC
Dim DD
Dim a
Dim b
Dim c
Dim d
Const S11 = 7
Const S12 = 12
Const S13 = 17
Const S14 = 22
Const S21 = 5
Const S22 = 9
Const S23 = 14
Const S24 = 20
Const S31 = 4
Const S32 = 11
Const S33 = 16
Const S34 = 23
Const S41 = 6
Const S42 = 10
Const S43 = 15
Const S44 = 21
x = ConvertToWordArray(sMessage)
a = &H67452301
b = &HEFCDAB89
c = &H98BADCFE
d = &H10325476
For k = 0 To UBound(x) Step 16
AA = a
BB = b
CC = c
DD = d
FF a, b, c, d, x(k + 0), S11, &HD76AA478
FF d, a, b, c, x(k + 1), S12, &HE8C7B756
FF c, d, a, b, x(k + 2), S13, &H242070DB
FF b, c, d, a, x(k + 3), S14, &HC1BDCEEE
FF a, b, c, d, x(k + 4), S11, &HF57C0FAF
FF d, a, b, c, x(k + 5), S12, &H4787C62A
FF c, d, a, b, x(k + 6), S13, &HA8304613
FF b, c, d, a, x(k + 7), S14, &HFD469501
FF a, b, c, d, x(k + 8), S11, &H698098D8
FF d, a, b, c, x(k + 9), S12, &H8B44F7AF
FF c, d, a, b, x(k + 10), S13, &HFFFF5BB1
FF b, c, d, a, x(k + 11), S14, &H895CD7BE
FF a, b, c, d, x(k + 12), S11, &H6B901122
FF d, a, b, c, x(k + 13), S12, &HFD987193
FF c, d, a, b, x(k + 14), S13, &HA679438E
FF b, c, d, a, x(k + 15), S14, &H49B40821
GG a, b, c, d, x(k + 1), S21, &HF61E2562
GG d, a, b, c, x(k + 6), S22, &HC040B340
GG c, d, a, b, x(k + 11), S23, &H265E5A51
GG b, c, d, a, x(k + 0), S24, &HE9B6C7AA
GG a, b, c, d, x(k + 5), S21, &HD62F105D
GG d, a, b, c, x(k + 10), S22, &H2441453
GG c, d, a, b, x(k + 15), S23, &HD8A1E681
GG b, c, d, a, x(k + 4), S24, &HE7D3FBC8
GG a, b, c, d, x(k + 9), S21, &H21E1CDE6
GG d, a, b, c, x(k + 14), S22, &HC33707D6
GG c, d, a, b, x(k + 3), S23, &HF4D50D87
GG b, c, d, a, x(k + 8), S24, &H455A14ED
GG a, b, c, d, x(k + 13), S21, &HA9E3E905
GG d, a, b, c, x(k + 2), S22, &HFCEFA3F8
GG c, d, a, b, x(k + 7), S23, &H676F02D9
GG b, c, d, a, x(k + 12), S24, &H8D2A4C8A
HH a, b, c, d, x(k + 5), S31, &HFFFA3942
HH d, a, b, c, x(k + 8), S32, &H8771F681
HH c, d, a, b, x(k + 11), S33, &H6D9D6122
HH b, c, d, a, x(k + 14), S34, &HFDE5380C
HH a, b, c, d, x(k + 1), S31, &HA4BEEA44
HH d, a, b, c, x(k + 4), S32, &H4BDECFA9
HH c, d, a, b, x(k + 7), S33, &HF6BB4B60
HH b, c, d, a, x(k + 10), S34, &HBEBFBC70
HH a, b, c, d, x(k + 13), S31, &H289B7EC6
HH d, a, b, c, x(k + 0), S32, &HEAA127FA
HH c, d, a, b, x(k + 3), S33, &HD4EF3085
HH b, c, d, a, x(k + 6), S34, &H4881D05
HH a, b, c, d, x(k + 9), S31, &HD9D4D039
HH d, a, b, c, x(k + 12), S32, &HE6DB99E5
HH c, d, a, b, x(k + 15), S33, &H1FA27CF8
HH b, c, d, a, x(k + 2), S34, &HC4AC5665
II a, b, c, d, x(k + 0), S41, &HF4292244
II d, a, b, c, x(k + 7), S42, &H432AFF97
II c, d, a, b, x(k + 14), S43, &HAB9423A7
II b, c, d, a, x(k + 5), S44, &HFC93A039
II a, b, c, d, x(k + 12), S41, &H655B59C3
II d, a, b, c, x(k + 3), S42, &H8F0CCC92
II c, d, a, b, x(k + 10), S43, &HFFEFF47D
II b, c, d, a, x(k + 1), S44, &H85845DD1
II a, b, c, d, x(k + 8), S41, &H6FA87E4F
II d, a, b, c, x(k + 15), S42, &HFE2CE6E0
II c, d, a, b, x(k + 6), S43, &HA3014314
II b, c, d, a, x(k + 13), S44, &H4E0811A1
II a, b, c, d, x(k + 4), S41, &HF7537E82
II d, a, b, c, x(k + 11), S42, &HBD3AF235
II c, d, a, b, x(k + 2), S43, &H2AD7D2BB
II b, c, d, a, x(k + 9), S44, &HEB86D391
a = AddUnsigned(a, AA)
b = AddUnsigned(b, BB)
c = AddUnsigned(c, CC)
d = AddUnsigned(d, DD)
Next
MD5 = LCase(WordToHex(a) & WordToHex(b) & WordToHex(c) & WordToHex(d))
End Function
5.SHA256 加密，256位的加密哦！安全性更高！
Private m_lOnBits(30)
Private m_l2Power(30)
Private K(63)
Private Const BITS_TO_A_BYTE = 8
Private Const BYTES_TO_A_WORD = 4
Private Const BITS_TO_A_WORD = 32
m_lOnBits(0) = CLng(1)
m_lOnBits(1) = CLng(3)
m_lOnBits(2) = CLng(7)
m_lOnBits(3) = CLng(15)
m_lOnBits(4) = CLng(31)
m_lOnBits(5) = CLng(63)
m_lOnBits(6) = CLng(127)
m_lOnBits(7) = CLng(255)
m_lOnBits(8) = CLng(511)
m_lOnBits(9) = CLng(1023)
m_lOnBits(10) = CLng(2047)
m_lOnBits(11) = CLng(4095)
m_lOnBits(12) = CLng(8191)
m_lOnBits(13) = CLng(16383)
m_lOnBits(14) = CLng(32767)
m_lOnBits(15) = CLng(65535)
m_lOnBits(16) = CLng(131071)
m_lOnBits(17) = CLng(262143)
m_lOnBits(18) = CLng(524287)
m_lOnBits(19) = CLng(1048575)
m_lOnBits(20) = CLng(2097151)
m_lOnBits(21) = CLng(4194303)
m_lOnBits(22) = CLng(8388607)
m_lOnBits(23) = CLng(16777215)
m_lOnBits(24) = CLng(33554431)
m_lOnBits(25) = CLng(67108863)
m_lOnBits(26) = CLng(134217727)
m_lOnBits(27) = CLng(268435455)
m_lOnBits(28) = CLng(536870911)
m_lOnBits(29) = CLng(1073741823)
m_lOnBits(30) = CLng(2147483647)
m_l2Power(0) = CLng(1)
m_l2Power(1) = CLng(2)
m_l2Power(2) = CLng(4)
m_l2Power(3) = CLng(8)
m_l2Power(4) = CLng(16)
m_l2Power(5) = CLng(32)
m_l2Power(6) = CLng(64)
m_l2Power(7) = CLng(128)
m_l2Power(8) = CLng(256)
m_l2Power(9) = CLng(512)
m_l2Power(10) = CLng(1024)
m_l2Power(11) = CLng(2048)
m_l2Power(12) = CLng(4096)
m_l2Power(13) = CLng(8192)
m_l2Power(14) = CLng(16384)
m_l2Power(15) = CLng(32768)
m_l2Power(16) = CLng(65536)
m_l2Power(17) = CLng(131072)
m_l2Power(18) = CLng(262144)
m_l2Power(19) = CLng(524288)
m_l2Power(20) = CLng(1048576)
m_l2Power(21) = CLng(2097152)
m_l2Power(22) = CLng(4194304)
m_l2Power(23) = CLng(8388608)
m_l2Power(24) = CLng(16777216)
m_l2Power(25) = CLng(33554432)
m_l2Power(26) = CLng(67108864)
m_l2Power(27) = CLng(134217728)
m_l2Power(28) = CLng(268435456)
m_l2Power(29) = CLng(536870912)
m_l2Power(30) = CLng(1073741824)
K(0) = &H428A2F98
K(1) = &H71374491
K(2) = &HB5C0FBCF
K(3) = &HE9B5DBA5
K(4) = &H3956C25B
K(5) = &H59F111F1
K(6) = &H923F82A4
K(7) = &HAB1C5ED5
K(8) = &HD807AA98
K(9) = &H12835B01
K(10) = &H243185BE
K(11) = &H550C7DC3
K(12) = &H72BE5D74
K(13) = &H80DEB1FE
K(14) = &H9BDC06A7
K(15) = &HC19BF174
K(16) = &HE49B69C1
K(17) = &HEFBE4786
K(18) = &HFC19DC6
K(19) = &H240CA1CC
K(20) = &H2DE92C6F
K(21) = &H4A7484AA
K(22) = &H5CB0A9DC
K(23) = &H76F988DA
K(24) = &H983E5152
K(25) = &HA831C66D
K(26) = &HB00327C8
K(27) = &HBF597FC7
K(28) = &HC6E00BF3
K(29) = &HD5A79147
K(30) = &H6CA6351
K(31) = &H14292967
K(32) = &H27B70A85
K(33) = &H2E1B2138
K(34) = &H4D2C6DFC
K(35) = &H53380D13
K(36) = &H650A7354
K(37) = &H766A0ABB
K(38) = &H81C2C92E
K(39) = &H92722C85
K(40) = &HA2BFE8A1
K(41) = &HA81A664B
K(42) = &HC24B8B70
K(43) = &HC76C51A3
K(44) = &HD192E819
K(45) = &HD6990624
K(46) = &HF40E3585
K(47) = &H106AA070
K(48) = &H19A4C116
K(49) = &H1E376C08
K(50) = &H2748774C
K(51) = &H34B0BCB5
K(52) = &H391C0CB3
K(53) = &H4ED8AA4A
K(54) = &H5B9CCA4F
K(55) = &H682E6FF3
K(56) = &H748F82EE
K(57) = &H78A5636F
K(58) = &H84C87814
K(59) = &H8CC70208
K(60) = &H90BEFFFA
K(61) = &HA4506CEB
K(62) = &HBEF9A3F7
K(63) = &HC67178F2
Private Function LShift(lValue, iShiftBits)
If iShiftBits = 0 Then
LShift = lValue
Exit Function
ElseIf iShiftBits = 31 Then
If lValue And 1 Then
LShift = &H80000000
Else
LShift = 0
End If
Exit Function
ElseIf iShiftBits < 0 or iShiftBits > 31 Then
Err.Raise 6
End If
If (lValue And m_l2Power(31 - iShiftBits)) Then
LShift = ((lValue And m_lOnBits(31 - (iShiftBits + 1))) * m_l2Power(iShiftBits)) or &H80000000
Else
LShift = ((lValue And m_lOnBits(31 - iShiftBits)) * m_l2Power(iShiftBits))
End If
End Function
Private Function RShift(lValue, iShiftBits)
If iShiftBits = 0 Then
RShift = lValue
Exit Function
ElseIf iShiftBits = 31 Then
If lValue And &H80000000 Then
RShift = 1
Else
RShift = 0
End If
Exit Function
ElseIf iShiftBits < 0 or iShiftBits > 31 Then
Err.Raise 6
End If
RShift = (lValue And &H7FFFFFFE) m_l2Power(iShiftBits)
If (lValue And &H80000000) Then
RShift = (RShift or (&H40000000 m_l2Power(iShiftBits - 1)))
End If
End Function
Private Function AddUnsigned(lX, lY)
Dim lX4
Dim lY4
Dim lX8
Dim lY8
Dim lResult
lX8 = lX And &H80000000
lY8 = lY And &H80000000
lX4 = lX And &H40000000
lY4 = lY And &H40000000
lResult = (lX And &H3FFFFFFF) + (lY And &H3FFFFFFF)
If lX4 And lY4 Then
lResult = lResult Xor &H80000000 Xor lX8 Xor lY8
ElseIf lX4 or lY4 Then
If lResult And &H40000000 Then
lResult = lResult Xor &HC0000000 Xor lX8 Xor lY8
Else
lResult = lResult Xor &H40000000 Xor lX8 Xor lY8
End If
Else
lResult = lResult Xor lX8 Xor lY8
End If
AddUnsigned = lResult
End Function
Private Function Ch(x, y, z)
Ch = ((x And y) Xor ((Not x) And z))
End Function
Private Function Maj(x, y, z)
Maj = ((x And y) Xor (x And z) Xor (y And z))
End Function
Private Function S(x, n)
S = (RShift(x, (n And m_lOnBits(4))) or LShift(x, (32 - (n And m_lOnBits(4)))))
End Function
Private Function R(x, n)
R = RShift(x, CInt(n And m_lOnBits(4)))
End Function
Private Function Sigma0(x)
Sigma0 = (S(x, 2) Xor S(x, 13) Xor S(x, 22))
End Function
Private Function Sigma1(x)
Sigma1 = (S(x, 6) Xor S(x, 11) Xor S(x, 25))
End Function
Private Function Gamma0(x)
Gamma0 = (S(x, 7) Xor S(x, 18) Xor R(x, 3))
End Function
Private Function Gamma1(x)
Gamma1 = (S(x, 17) Xor S(x, 19) Xor R(x, 10))
End Function
Private Function ConvertToWordArray(sMessage)
Dim lMessageLength
Dim lNumberOfWords
Dim lWordArray()
Dim lBytePosition
Dim lByteCount
Dim lWordCount
Dim lByte
Const MODULUS_BITS = 512
Const CONGRUENT_BITS = 448
lMessageLength = Len(sMessage)
lNumberOfWords = (((lMessageLength + ((MODULUS_BITS - CONGRUENT_BITS) BITS_TO_A_BYTE)) (MODULUS_BITS BITS_TO_A_BYTE)) + 1) * (MODULUS_BITS BITS_TO_A_WORD)
ReDim lWordArray(lNumberOfWords - 1)
lBytePosition = 0
lByteCount = 0
Do Until lByteCount >= lMessageLength
lWordCount = lByteCount BYTES_TO_A_WORD
lBytePosition = (3 - (lByteCount Mod BYTES_TO_A_WORD)) * BITS_TO_A_BYTE
lByte = AscB(Mid(sMessage, lByteCount + 1, 1))
lWordArray(lWordCount) = lWordArray(lWordCount) or LShift(lByte, lBytePosition)
lByteCount = lByteCount + 1
Loop
lWordCount = lByteCount BYTES_TO_A_WORD
lBytePosition = (3 - (lByteCount Mod BYTES_TO_A_WORD)) * BITS_TO_A_BYTE
lWordArray(lWordCount) = lWordArray(lWordCount) or LShift(&H80, lBytePosition)
lWordArray(lNumberOfWords - 1) = LShift(lMessageLength, 3)
lWordArray(lNumberOfWords - 2) = RShift(lMessageLength, 29)
ConvertToWordArray = lWordArray
End Function
Public Function SHA256(sMessage)
Dim HASH(7)
Dim M
Dim W(63)
Dim a
Dim b
Dim c
Dim d
Dim e
Dim f
Dim g
Dim h
Dim i
Dim j
Dim T1
Dim T2
HASH(0) = &H6A09E667
HASH(1) = &HBB67AE85
HASH(2) = &H3C6EF372
HASH(3) = &HA54FF53A
HASH(4) = &H510E527F
HASH(5) = &H9B05688C
HASH(6) = &H1F83D9AB
HASH(7) = &H5BE0CD19
M = ConvertToWordArray(sMessage)
For i = 0 To UBound(M) Step 16
a = HASH(0)
b = HASH(1)
c = HASH(2)
d = HASH(3)
e = HASH(4)
f = HASH(5)
g = HASH(6)
h = HASH(7)
For j = 0 To 63
If j < 16 Then
W(j) = M(j + i)
Else
W(j) = AddUnsigned(AddUnsigned(AddUnsigned(Gamma1(W(j - 2)), W(j - 7)), Gamma0(W(j - 15))), W(j - 16))
End If
T1 = AddUnsigned(AddUnsigned(AddUnsigned(AddUnsigned(h, Sigma1(e)), Ch(e, f, g)), K(j)), W(j))
T2 = AddUnsigned(Sigma0(a), Maj(a, b, c))
h = g
g = f
f = e
e = AddUnsigned(d, T1)
d = c
c = b
b = a
a = AddUnsigned(T1, T2)
Next
HASH(0) = AddUnsigned(a, HASH(0))
HASH(1) = AddUnsigned(b, HASH(1))
HASH(2) = AddUnsigned(c, HASH(2))
HASH(3) = AddUnsigned(d, HASH(3))
HASH(4) = AddUnsigned(e, HASH(4))
HASH(5) = AddUnsigned(f, HASH(5))
HASH(6) = AddUnsigned(g, HASH(6))
HASH(7) = AddUnsigned(h, HASH(7))
Next
SHA256 = LCase(Right("00000000" & Hex(HASH(0)), 8) & Right("00000000" & Hex(HASH(1)), 8) & Right("00000000" & Hex(HASH(2)), 8) & Right("00000000" & Hex(HASH(3)), 8) & Right("00000000" & Hex(HASH(4)), 8) & Right("00000000" & Hex(HASH(5)), 8) & Right("00000000" & Hex(HASH(6)), 8) & Right("00000000" & Hex(HASH(7)), 8))
End Function
6.一个If语句的加工，以后可以用类似于PHP或JS的 If () ? ..
...代码了
Function IIf(Condition, ValueIfTrue, ValueIfFalse)
If Condition Then
IIf = ValueIfTrue
Else
IIf = ValueIfFalse
End If
End Function
7.ASE加密函数
Private m_lOnBits(30)
Private m_l2Power(30)
Private m_bytOnBits(7)
Private m_byt2Power(7)
Private m_InCo(3)
Private m_fbsub(255)
Private m_rbsub(255)
Private m_ptab(255)
Private m_ltab(255)
Private m_ftable(255)
Private m_rtable(255)
Private m_rco(29)
Private m_Nk
Private m_Nb
Private m_Nr
Private m_fi(23)
Private m_ri(23)
Private m_fkey(119)
Private m_rkey(119)
m_InCo(0) = &HB
m_InCo(1) = &HD
m_InCo(2) = &H9
m_InCo(3) = &HE
m_bytOnBits(0) = 1
m_bytOnBits(1) = 3
m_bytOnBits(2) = 7
m_bytOnBits(3) = 15
m_bytOnBits(4) = 31
m_bytOnBits(5) = 63
m_bytOnBits(6) = 127
m_bytOnBits(7) = 255
m_byt2Power(0) = 1
m_byt2Power(1) = 2
m_byt2Power(2) = 4
m_byt2Power(3) = 8
m_byt2Power(4) = 16
m_byt2Power(5) = 32
m_byt2Power(6) = 64
m_byt2Power(7) = 128
m_lOnBits(0) = 1
m_lOnBits(1) = 3
m_lOnBits(2) = 7
m_lOnBits(3) = 15
m_lOnBits(4) = 31
m_lOnBits(5) = 63
m_lOnBits(6) = 127
m_lOnBits(7) = 255
m_lOnBits(8) = 511
m_lOnBits(9) = 1023
m_lOnBits(10) = 2047
m_lOnBits(11) = 4095
m_lOnBits(12) = 8191
m_lOnBits(13) = 16383
m_lOnBits(14) = 32767
m_lOnBits(15) = 65535
m_lOnBits(16) = 131071
m_lOnBits(17) = 262143
m_lOnBits(18) = 524287
m_lOnBits(19) = 1048575
m_lOnBits(20) = 2097151
m_lOnBits(21) = 4194303
m_lOnBits(22) = 8388607
m_lOnBits(23) = 16777215
m_lOnBits(24) = 33554431
m_lOnBits(25) = 67108863
m_lOnBits(26) = 134217727
m_lOnBits(27) = 268435455
m_lOnBits(28) = 536870911
m_lOnBits(29) = 1073741823
m_lOnBits(30) = 2147483647
m_l2Power(0) = 1
m_l2Power(1) = 2
m_l2Power(2) = 4
m_l2Power(3) = 8
m_l2Power(4) = 16
m_l2Power(5) = 32
m_l2Power(6) = 64
m_l2Power(7) = 128
m_l2Power(8) = 256
m_l2Power(9) = 512
m_l2Power(10) = 1024
m_l2Power(11) = 2048
m_l2Power(12) = 4096
m_l2Power(13) = 8192
m_l2Power(14) = 16384
m_l2Power(15) = 32768
m_l2Power(16) = 65536
m_l2Power(17) = 131072
m_l2Power(18) = 262144
m_l2Power(19) = 524288
m_l2Power(20) = 1048576
m_l2Power(21) = 2097152
m_l2Power(22) = 4194304
m_l2Power(23) = 8388608
m_l2Power(24) = 16777216
m_l2Power(25) = 33554432
m_l2Power(26) = 67108864
m_l2Power(27) = 134217728
m_l2Power(28) = 268435456
m_l2Power(29) = 536870912
m_l2Power(30) = 1073741824
Private Function LShift(lValue, iShiftBits)
If iShiftBits = 0 Then
LShift = lValue
Exit Function
ElseIf iShiftBits = 31 Then
If lValue And 1 Then
LShift = &H80000000
Else
LShift = 0
End If
Exit Function
ElseIf iShiftBits < 0 or iShiftBits > 31 Then
Err.Raise 6
End If
If (lValue And m_l2Power(31 - iShiftBits)) Then
LShift = ((lValue And m_lOnBits(31 - (iShiftBits + 1))) * m_l2Power(iShiftBits)) or &H80000000
Else
LShift = ((lValue And m_lOnBits(31 - iShiftBits)) * m_l2Power(iShiftBits))
End If
End Function
Private Function RShift(lValue, iShiftBits)
If iShiftBits = 0 Then
RShift = lValue
Exit Function
ElseIf iShiftBits = 31 Then
If lValue And &H80000000 Then
RShift = 1
Else
RShift = 0
End If
Exit Function
ElseIf iShiftBits < 0 or iShiftBits > 31 Then
Err.Raise 6
End If
RShift = (lValue And &H7FFFFFFE) m_l2Power(iShiftBits)
If (lValue And &H80000000) Then
RShift = (RShift or (&H40000000 m_l2Power(iShiftBits - 1)))
End If
End Function
Private Function LShiftByte(bytValue, bytShiftBits)
If bytShiftBits = 0 Then
LShiftByte = bytValue
Exit Function
ElseIf bytShiftBits = 7 Then
If bytValue And 1 Then
LShiftByte = &H80
Else
LShiftByte = 0
End If
Exit Function
ElseIf bytShiftBits < 0 or bytShiftBits > 7 Then
Err.Raise 6
End If
LShiftByte = ((bytValue And m_bytOnBits(7 - bytShiftBits)) * m_byt2Power(bytShiftBits))
End Function
Private Function RShiftByte(bytValue, bytShiftBits)
If bytShiftBits = 0 Then
RShiftByte = bytValue
Exit Function
ElseIf bytShiftBits = 7 Then
If bytValue And &H80 Then
RShiftByte = 1
Else
RShiftByte = 0
End If
Exit Function
ElseIf bytShiftBits < 0 or bytShiftBits > 7 Then
Err.Raise 6
End If
RShiftByte = bytValue m_byt2Power(bytShiftBits)
End Function
Private Function RotateLeft(lValue, iShiftBits)
RotateLeft = LShift(lValue, iShiftBits) or RShift(lValue, (32 - iShiftBits))
End Function
Private Function RotateLeftByte(bytValue, bytShiftBits)
RotateLeftByte = LShiftByte(bytValue, bytShiftBits) or RShiftByte(bytValue, (8 - bytShiftBits))
End Function
Private Function Pack(b())
Dim lCount
Dim lTemp
For lCount = 0 To 3
lTemp = b(lCount)
Pack = Pack or LShift(lTemp, (lCount * 8))
Next
End Function
Private Function PackFrom(b(), k)
Dim lCount
Dim lTemp
For lCount = 0 To 3
lTemp = b(lCount + k)
PackFrom = PackFrom or LShift(lTemp, (lCount * 8))
Next
End Function
Private Sub Unpack(a, b())
b(0) = a And m_lOnBits(7)
b(1) = RShift(a, 8) And m_lOnBits(7)
b(2) = RShift(a, 16) And m_lOnBits(7)
b(3) = RShift(a, 24) And m_lOnBits(7)
End Sub
Private Sub UnpackFrom(a, b(), k)
b(0 + k) = a And m_lOnBits(7)
b(1 + k) = RShift(a, 8) And m_lOnBits(7)
b(2 + k) = RShift(a, 16) And m_lOnBits(7)
b(3 + k) = RShift(a, 24) And m_lOnBits(7)
End Sub
Private Function xtime(a)
Dim b
If (a And &H80) Then
b = &H1B
Else
b = 0
End If
xtime = LShiftByte(a, 1)
xtime = xtime Xor b
End Function
Private Function bmul(x, y)
If x <> 0 And y <> 0 Then
bmul = m_ptab((CLng(m_ltab(x)) + CLng(m_ltab(y))) Mod 255)
Else
bmul = 0
End If
End Function
Private Function SubByte(a)
Dim b(3)
Unpack a, b
b(0) = m_fbsub(b(0))
b(1) = m_fbsub(b(1))
b(2) = m_fbsub(b(2))
b(3) = m_fbsub(b(3))
SubByte = Pack(b)
End Function
Private Function product(x, y)
Dim xb(3)
Dim yb(3)
Unpack x, xb
Unpack y, yb
product = bmul(xb(0), yb(0)) Xor bmul(xb(1), yb(1)) Xor bmul(xb(2), yb(2)) Xor bmul(xb(3), yb(3))
End Function
Private Function InvMixCol(x)
Dim y
Dim m
Dim b(3)
m = Pack(m_InCo)
b(3) = product(m, x)
m = RotateLeft(m, 24)
b(2) = product(m, x)
m = RotateLeft(m, 24)
b(1) = product(m, x)
m = RotateLeft(m, 24)
b(0) = product(m, x)
y = Pack(b)
InvMixCol = y
End Function
Private Function ByteSub(x)
Dim y
Dim z
z = x
y = m_ptab(255 - m_ltab(z))
z = y
z = RotateLeftByte(z, 1)
y = y Xor z
z = RotateLeftByte(z, 1)
y = y Xor z
z = RotateLeftByte(z, 1)
y = y Xor z
z = RotateLeftByte(z, 1)
y = y Xor z
y = y Xor &H63
ByteSub = y
End Function
Public Sub gentables()
Dim i
Dim y
Dim b(3)
Dim ib
m_ltab(0) = 0
m_ptab(0) = 1
m_ltab(1) = 0
m_ptab(1) = 3
m_ltab(3) = 1
For i = 2 To 255
m_ptab(i) = m_ptab(i - 1) Xor xtime(m_ptab(i - 1))
m_ltab(m_ptab(i)) = i
Next
m_fbsub(0) = &H63
m_rbsub(&H63) = 0
For i = 1 To 255
ib = i
y = ByteSub(ib)
m_fbsub(i) = y
m_rbsub(y) = i
Next
y = 1
For i = 0 To 29
m_rco(i) = y
y = xtime(y)
Next
For i = 0 To 255
y = m_fbsub(i)
b(3) = y Xor xtime(y)
b(2) = y
b(1) = y
b(0) = xtime(y)
m_ftable(i) = Pack(b)
y = m_rbsub(i)
b(3) = bmul(m_InCo(0), y)
b(2) = bmul(m_InCo(1), y)
b(1) = bmul(m_InCo(2), y)
b(0) = bmul(m_InCo(3), y)
m_rtable(i) = Pack(b)
Next
End Sub
Public Sub gkey(nb, nk, Key())
Dim i
Dim j
Dim k
Dim m
Dim N
Dim C1
Dim C2
Dim C3
Dim CipherKey(7)
m_Nb = nb
m_Nk = nk
If m_Nb >= m_Nk Then
m_Nr = 6 + m_Nb
Else
m_Nr = 6 + m_Nk
End If
C1 = 1
If m_Nb < 8 Then
C2 = 2
C3 = 3
Else
C2 = 3
C3 = 4
End If
For j = 0 To nb - 1
m = j * 3
m_fi(m) = (j + C1) Mod nb
m_fi(m + 1) = (j + C2) Mod nb
m_fi(m + 2) = (j + C3) Mod nb
m_ri(m) = (nb + j - C1) Mod nb
m_ri(m + 1) = (nb + j - C2) Mod nb
m_ri(m + 2) = (nb + j - C3) Mod nb
Next
N = m_Nb * (m_Nr + 1)
For i = 0 To m_Nk - 1
j = i * 4
CipherKey(i) = PackFrom(Key, j)
Next
For i = 0 To m_Nk - 1
m_fkey(i) = CipherKey(i)
Next
j = m_Nk
k = 0
Do While j < N
m_fkey(j) = m_fkey(j - m_Nk) Xor _
SubByte(RotateLeft(m_fkey(j - 1), 24)) Xor m_rco(k)
If m_Nk <= 6 Then
i = 1
Do While i < m_Nk And (i + j) < N
m_fkey(i + j) = m_fkey(i + j - m_Nk) Xor _
m_fkey(i + j - 1)
i = i + 1
Loop
Else
i = 1
Do While i < 4 And (i + j) < N
m_fkey(i + j) = m_fkey(i + j - m_Nk) Xor _
m_fkey(i + j - 1)
i = i + 1
Loop
If j + 4 < N Then
m_fkey(j + 4) = m_fkey(j + 4 - m_Nk) Xor _
SubByte(m_fkey(j + 3))
End If
i = 5
Do While i < m_Nk And (i + j) < N
m_fkey(i + j) = m_fkey(i + j - m_Nk) Xor _
m_fkey(i + j - 1)
i = i + 1
Loop
End If
j = j + m_Nk
k = k + 1
Loop
For j = 0 To m_Nb - 1
m_rkey(j + N - nb) = m_fkey(j)
Next
i = m_Nb
Do While i < N - m_Nb
k = N - m_Nb - i
For j = 0 To m_Nb - 1
m_rkey(k + j) = InvMixCol(m_fkey(i + j))
Next
i = i + m_Nb
Loop
j = N - m_Nb
Do While j < N
m_rkey(j - N + m_Nb) = m_fkey(j)
j = j + 1
Loop
End Sub
Public Sub encrypt(buff())
Dim i
Dim j
Dim k
Dim m
Dim a(7)
Dim b(7)
Dim x
Dim y
Dim t
For i = 0 To m_Nb - 1
j = i * 4
a(i) = PackFrom(buff, j)
a(i) = a(i) Xor m_fkey(i)
Next
k = m_Nb
x = a
y = b
For i = 1 To m_Nr - 1
For j = 0 To m_Nb - 1
m = j * 3
y(j) = m_fkey(k) Xor m_ftable(x(j) And m_lOnBits(7)) Xor _
RotateLeft(m_ftable(RShift(x(m_fi(m)), 8) And m_lOnBits(7)), 8) Xor _
RotateLeft(m_ftable(RShift(x(m_fi(m + 1)), 16) And m_lOnBits(7)), 16) Xor _
RotateLeft(m_ftable(RShift(x(m_fi(m + 2)), 24) And m_lOnBits(7)), 24)
k = k + 1
Next
t = x
x = y
y = t
Next
For j = 0 To m_Nb - 1
m = j * 3
y(j) = m_fkey(k) Xor m_fbsub(x(j) And m_lOnBits(7)) Xor _
RotateLeft(m_fbsub(RShift(x(m_fi(m)), 8) And m_lOnBits(7)), 8) Xor _
RotateLeft(m_fbsub(RShift(x(m_fi(m + 1)), 16) And m_lOnBits(7)), 16) Xor _
RotateLeft(m_fbsub(RShift(x(m_fi(m + 2)), 24) And m_lOnBits(7)), 24)
k = k + 1
Next
For i = 0 To m_Nb - 1
j = i * 4
UnpackFrom y(i), buff, j
x(i) = 0
y(i) = 0
Next
End Sub
Public Sub decrypt(buff())
Dim i
Dim j
Dim k
Dim m
Dim a(7)
Dim b(7)
Dim x
Dim y
Dim t
For i = 0 To m_Nb - 1
j = i * 4
a(i) = PackFrom(buff, j)
a(i) = a(i) Xor m_rkey(i)
Next
k = m_Nb
x = a
y = b
For i = 1 To m_Nr - 1
For j = 0 To m_Nb - 1
m = j * 3
y(j) = m_rkey(k) Xor m_rtable(x(j) And m_lOnBits(7)) Xor _
RotateLeft(m_rtable(RShift(x(m_ri(m)), 8) And m_lOnBits(7)), 8) Xor _
RotateLeft(m_rtable(RShift(x(m_ri(m + 1)), 16) And m_lOnBits(7)), 16) Xor _
RotateLeft(m_rtable(RShift(x(m_ri(m + 2)), 24) And m_lOnBits(7)), 24)
k = k + 1
Next
t = x
x = y
y = t
Next
For j = 0 To m_Nb - 1
m = j * 3
y(j) = m_rkey(k) Xor m_rbsub(x(j) And m_lOnBits(7)) Xor _
RotateLeft(m_rbsub(RShift(x(m_ri(m)), 8) And m_lOnBits(7)), 8) Xor _
RotateLeft(m_rbsub(RShift(x(m_ri(m + 1)), 16) And m_lOnBits(7)), 16) Xor _
RotateLeft(m_rbsub(RShift(x(m_ri(m + 2)), 24) And m_lOnBits(7)), 24)
k = k + 1
Next
For i = 0 To m_Nb - 1
j = i * 4
UnpackFrom y(i), buff, j
x(i) = 0
y(i) = 0
Next
End Sub
Private Function IsInitialized(vArray)
On Error Resume Next
IsInitialized = IsNumeric(UBound(vArray))
End Function
Private Sub CopyBytesASP(bytDest, lDestStart, bytSource(), lSourceStart, lLength)
Dim lCount
lCount = 0
Do
bytDest(lDestStart + lCount) = bytSource(lSourceStart + lCount)
lCount = lCount + 1
Loop Until lCount = lLength
End Sub
Public Function EncryptData(bytMessage, bytPassword)
Dim bytKey(31)
Dim bytIn()
Dim bytOut()
Dim bytTemp(31)
Dim lCount
Dim lLength
Dim lEncodedLength
Dim bytLen(3)
Dim lPosition
If Not IsInitialized(bytMessage) Then
Exit Function
End If
If Not IsInitialized(bytPassword) Then
Exit Function
End If
For lCount = 0 To UBound(bytPassword)
bytKey(lCount) = bytPassword(lCount)
If lCount = 31 Then
Exit For
End If
Next
gentables
gkey 8, 8, bytKey
lLength = UBound(bytMessage) + 1
lEncodedLength = lLength + 4
If lEncodedLength Mod 32 <> 0 Then
lEncodedLength = lEncodedLength + 32 - (lEncodedLength Mod 32)
End If
ReDim bytIn(lEncodedLength - 1)
ReDim bytOut(lEncodedLength - 1)
Unpack lLength, bytIn
CopyBytesASP bytIn, 4, bytMessage, 0, lLength
For lCount = 0 To lEncodedLength - 1 Step 32
CopyBytesASP bytTemp, 0, bytIn, lCount, 32
Encrypt bytTemp
CopyBytesASP bytOut, lCount, bytTemp, 0, 32
Next
EncryptData = bytOut
End Function
Public Function DecryptData(bytIn, bytPassword)
Dim bytMessage()
Dim bytKey(31)
Dim bytOut()
Dim bytTemp(31)
Dim lCount
Dim lLength
Dim lEncodedLength
Dim bytLen(3)
Dim lPosition
If Not IsInitialized(bytIn) Then
Exit Function
End If
If Not IsInitialized(bytPassword) Then
Exit Function
End If
lEncodedLength = UBound(bytIn) + 1
If lEncodedLength Mod 32 <> 0 Then
Exit Function
End If
For lCount = 0 To UBound(bytPassword)
bytKey(lCount) = bytPassword(lCount)
If lCount = 31 Then
Exit For
End If
Next
gentables
gkey 8, 8, bytKey
ReDim bytOut(lEncodedLength - 1)
For lCount = 0 To lEncodedLength - 1 Step 32
CopyBytesASP bytTemp, 0, bytIn, lCount, 32
Decrypt bytTemp
CopyBytesASP bytOut, lCount, bytTemp, 0, 32
Next
lLength = Pack(bytOut)
If lLength > lEncodedLength - 4 Then
Exit Function
End If
ReDim bytMessage(lLength - 1)
CopyBytesASP bytMessage, 0, bytOut, 4, lLength
DecryptData = bytMessage
End Function
8.一个日期转换函数
Function FormatDate(byVal strDate, byVal strFormat)
' Accepts strDate as a valid date/time,
' strFormat as the output template.
' The function finds each item in the
' template and replaces it with the
' relevant information extracted from strDate.
' You are free to use this code provided the following line remains
' www.adopenstatic.com/resources/code/formatdate.asp
' Template items
' %m Month as a decimal no. 2
' %M Month as a padded decimal no. 02
' %B Full month name February
' %b Abbreviated month name Feb
' %d Day of the month eg 23
' %D Padded day of the month eg 09
' %O ordinal of day of month (eg st or rd or nd)
' %j Day of the year 54
' %Y Year with century 1998
' %y Year without century 98
' %w Weekday as integer (0 is Sunday)
' %a Abbreviated day name Fri
' %A Weekday Name Friday
' %H Hour in 24 hour format 24
' %h Hour in 12 hour format 12
' %N Minute as an integer 01
' %n Minute as optional if minute <> 00
' %S Second as an integer 55
' %P AM/PM Indicator PM
On Error Resume Next
Dim intPosItem
Dim int12HourPart
Dim str24HourPart
Dim strMinutePart
Dim strSecondPart
Dim strAMPM
' Insert Month Numbers
strFormat = Replace(strFormat, "%m", DatePart("m", strDate), 1, -1, vbBinaryCompare)
' Insert Padded Month Numbers
strFormat = Replace(strFormat, "%M", Right("0" & DatePart("m", strDate), 2), 1, -1, vbBinaryCompare)
' Insert non-Abbreviated Month Names
strFormat = Replace(strFormat, "%B", MonthName(DatePart("m", strDate), False), 1, -1, vbBinaryCompare)
' Insert Abbreviated Month Names
strFormat = Replace(strFormat, "%b", MonthName(DatePart("m", strDate), True), 1, -1, vbBinaryCompare)
' Insert Day Of Month
strFormat = Replace(strFormat, "%d", DatePart("d", strDate), 1, -1, vbBinaryCompare)
' Insert Padded Day Of Month
strFormat = Replace(strFormat, "%D", Right ("0" & DatePart("d", strDate), 2), 1, -1, vbBinaryCompare)
' Insert Day of Month ordinal (eg st, th, or rd)
strFormat = Replace(strFormat, "%O", GetDayOrdinal(Day(strDate)), 1, -1, vbBinaryCompare)
' Insert Day of Year
strFormat = Replace(strFormat, "%j", DatePart("y", strDate), 1, -1, vbBinaryCompare)
' Insert Long Year (4 digit)
strFormat = Replace(strFormat, "%Y", DatePart("yyyy", strDate), 1, -1, vbBinaryCompare)
' Insert Short Year (2 digit)
strFormat = Replace(strFormat, "%y", Right(DatePart("yyyy", strDate), 2), 1, -1, vbBinaryCompare)
' Insert Weekday as Integer (eg 0 = Sunday)
strFormat = Replace(strFormat, "%w", DatePart("w", strDate, 1), 1, -1, vbBinaryCompare)
' Insert Abbreviated Weekday Name (eg Sun)
strFormat = Replace(strFormat, "%a", WeekdayName(DatePart("w", strDate, 1), True), 1, -1, vbBinaryCompare)
' Insert non-Abbreviated Weekday Name
strFormat = Replace(strFormat, "%A", WeekdayName(DatePart("w", strDate, 1), False), 1, -1, vbBinaryCompare)
' Insert Hour in 24hr format
str24HourPart = DatePart("h", strDate)
If Len(str24HourPart) < 2 Then str24HourPart = "0" & str24HourPart
strFormat = Replace(strFormat, "%H", str24HourPart, 1, -1, vbBinaryCompare)
' Insert Hour in 12hr format
int12HourPart = DatePart("h", strDate) Mod 12
If int12HourPart = 0 Then int12HourPart = 12
strFormat = Replace(strFormat, "%h", int12HourPart, 1, -1, vbBinaryCompare)
' Insert Minutes
strMinutePart = DatePart("n", strDate)
If Len(strMinutePart) < 2 Then strMinutePart = "0" & strMinutePart
strFormat = Replace(strFormat, "%N", strMinutePart, 1, -1, vbBinaryCompare)
' Insert Optional Minutes
If CInt(strMinutePart) = 0 Then
strFormat = Replace(strFormat, "%n", "", 1, -1, vbBinaryCompare)
Else
If CInt(strMinutePart) < 10 Then strMinutePart = "0" & strMinutePart
strMinutePart = ":" & strMinutePart
strFormat = Replace(strFormat, "%n", strMinutePart, 1, -1, vbBinaryCompare)
End If
' Insert Seconds
strSecondPart = DatePart("s", strDate)
If Len(strSecondPart) < 2 Then strSecondPart = "0" & strSecondPart
strFormat = Replace(strFormat, "%S", strSecondPart, 1, -1, vbBinaryCompare)
' Insert AM/PM indicator
If DatePart("h", strDate) >= 12 Then
strAMPM = "PM"
Else
strAMPM = "AM"
End If
strFormat = Replace(strFormat, "%P", strAMPM, 1, -1, vbBinaryCompare)
FormatDate = strFormat
End Function
Function GetDayOrdinal( _
byVal intDay _
)
' Accepts a day of the month
' as an integer and returns the
' appropriate suffix
On Error Resume Next
Dim strOrd
Select Case intDay
Case 1, 21, 31
strOrd = "st"
Case 2, 22
strOrd = "nd"
Case 3, 23
strOrd = "rd"
Case Else
strOrd = "th"
End Select
GetDayOrdinal = strOrd
End Function
%>
<%
Dim db
db = "dbms.mdb"
'******************************************************************
'执行sql语句，不返回值,sql语句最好是如下：
'update 表名 set 字段名=value,字段名=value where 字段名=value
'delete from 表名 where 字段名=value
'insert into 表名 (字段名,字段名) values (value,value)
'******************************************************************
Sub NoResult(sql)
Dim conn
Dim connstr
Set conn = Server.CreateObject("ADODB.Connection")
connstr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & Server.MapPath(""&db&"")
conn.Open connstr
conn.Execute sql
conn.Close
Set conn = Nothing
End Sub
'*******************************************************************
'执行select语句，返回recordset对象。该对象只读。也就是不能更新
'*******************************************************************
Function Result(sql)
Dim conn
Dim connstr
Dim rcs
Set conn = Server.CreateObject("ADODB.Connection")
connstr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & Server.MapPath(""&db&"")
conn.Open connstr
Set rcs = Server.CreateObject("ADODB.Recordset")
rcs.Open sql, conn, 1, 1
Set Result = rcs
End Function
'*******************************************************************
' 弹出对话框
'*******************************************************************
Sub alert(message)
message = Replace(message, "'", "\'")
Response.Write ("<script>alert('" & message & "')</script>")
End Sub
'*******************************************************************
' 返回上一页，一般用在判断信息提交是否完全之后
'*******************************************************************
Sub GoBack()
Response.Write ("<script>history.go(-1)</script>")
End Sub
'*******************************************************************
' 重定向另外的连接
'*******************************************************************
Sub Go(url)
Response.Write ("<script>location.href('" & url & "')</script>")
End Sub
'*******************************************************************
' 把html标记替换
'*******************************************************************
Function htmlencode2(Str)
Dim result
Dim l
If IsNull(Str) Then
htmlencode2 = ""
Exit Function
End If
l = Len(Str)
result = ""
Dim i
For i = 1 To l
Select Case Mid(Str, i, 1)
Case "<"
result = result + "<"
Case ">"
result = result + ">"
Case Chr(13)
result = result + "<br>"
Case Chr(34)
result = result + """%>
<%
cLeft(String, Length) 返回指定数目的从字符串的左边算起的字符，区分单双字节。
如：
Dim MyString, LeftString
MyString = "文字测试VBSCript"
LeftString = cLeft(MyString, 10)
返回 "文字测试VB"。
MyRandc(n) 生成随机字符，n为字符的个数
如：
response.Write MyRandn(10)
输出10个随机字符
MyRandn(n) 生成随机数字，n为数字的个数
如：
response.Write MyRandn(10)
输出10个随机数字
formatQueryStr(Str) 格式化sql中的like字符串.
如：
q = Request("q")
q = formatQueryStr(q)
sql = "select * from [table] where aa like '%"& q &"%'"
GetRnd(min, max) 返回min - max之间的一个随机数
如：
response.Write GetRnd(100, 200)
输出大于100到200之间的一个随机数
Function cLeft(Str, n)
Dim str1, str2, alln, Islefted
str2 = ""
alln = 0
str1 = Str
Islefted = False
If IsNull(Str) Then
cleft = ""
Exit Function
End If
For i = 1 To Len(str1)
nowstr = Mid(str1, i, 1)
If Asc(nowstr)<0 Then
alln = alln + 2
Else
alln = alln + 1
End If
If (alln<= n) Then
str2 = str2 & nowstr
Else
Islefted = True
Exit For
End If
Next
If Islefted Then
str2 = str2 & ".."
End If
cleft = str2
End Function
Function MyRandc(n) '生成随机字符，n为字符的个数
Dim thechr
thechr = ""
For i = 1 To n
Dim zNum, zNum2
Randomize
zNum = CInt(25 * Rnd)
zNum2 = CInt(10 * Rnd)
If zNum2 Mod 2 = 0 Then
zNum = zNum + 97
Else
zNum = zNum + 65
End If
thechr = thechr & Chr(zNum)
Next
MyRandc = thechr
End Function
Function MyRandn(n) '生成随机数字，n为数字的个数
Dim thechr
thechr = ""
For i = 1 To n
Dim zNum, zNum2
Randomize
zNum = CInt(9 * Rnd)
zNum = zNum + 48
thechr = thechr & Chr(zNum)
Next
MyRandn = thechr
End Function
Function formatQueryStr(Str) '格式化sql中的like字符串
Dim nstr
nstr = Str
nstr = Replace(nstr, Chr(0), "")
nstr = Replace(nstr, "'", "''")
nstr = Replace(nstr, "[", "[[]")
nstr = Replace(nstr, "%", "[%]")
formatQueryStr = nstr
End Function
Function GetRnd(min, max)
Randomize
GetRnd = Int((max - min + 1) * Rnd + min)
End Function
'*******************************************************************
'取得IP地址
'*******************************************************************
Function Userip()
Dim GetClientIP
'如果客户端用了代理服务器，则应该用ServerVariables("HTTP_X_FORWARDED_FOR")方法
GetClientIP = Request.ServerVariables("HTTP_X_FORWARDED_FOR")
If GetClientIP = "" or IsNull(GetClientIP) or IsEmpty(GetClientIP) Then
'如果客户端没用代理，应该用Request.ServerVariables("REMOTE_ADDR")方法
GetClientIP = Request.ServerVariables("REMOTE_ADDR")
End If
Userip = GetClientIP
End Function
'*******************************************************************
'转换IP地址
'*******************************************************************
Function cip(sip)
tip = CStr(sip)
sip1 = Left(tip, CInt(InStr(tip, ".") -1))
tip = Mid(tip, CInt(InStr(tip, ".") + 1))
sip2 = Left(tip, CInt(InStr(tip, ".") -1))
tip = Mid(tip, CInt(InStr(tip, ".") + 1))
sip3 = Left(tip, CInt(InStr(tip, ".") -1))
sip4 = Mid(tip, CInt(InStr(tip, ".") + 1))
cip = CInt(sip1) * 256 * 256 * 256 + CInt(sip2) * 256 * 256 + CInt(sip3) * 256 + CInt(sip4)
End Function
'*******************************************************************
' 弹出对话框
'*******************************************************************
Sub alert(message)
message = Replace(message, "'", "\'")
Response.Write ("<script>alert('" & message & "')</script>")
End Sub
'*******************************************************************
' 返回上一页，一般用在判断信息提交是否完全之后
'*******************************************************************
Sub GoBack()
Response.Write ("<script>history.go(-1)</script>")
End Sub
'*******************************************************************
' 重定向另外的连接
'*******************************************************************
Sub Go(url)
Response.Write ("<script>location.href('" & url & "')</script>")
End Sub
'*******************************************************************
' 指定秒数重定向另外的连接
'*******************************************************************
Sub GoPage(url, s)
s = s * 1000
Response.Write "<SCRIPT LANGUAGE=javascript>"
Response.Write "window.setTimeout("&Chr(34)&"window.navigate('"&url&"')"&Chr(34)&","&s&")"
Response.Write "</script>"
End Sub
'*******************************************************************
' 判断数字是否整形
'*******************************************************************
Function isInteger(para)
On Error Resume Next
Dim Str
Dim l, i
If IsNull(para) Then
isInteger = False
Exit Function
End If
Str = CStr(para)
If Trim(Str) = "" Then
isInteger = False
Exit Function
End If
l = Len(Str)
For i = 1 To l
If Mid(Str, i, 1)>"9" or Mid(Str, i, 1)<"0" Then
isInteger = False
Exit Function
End If
Next
isInteger = True
If Err.Number<>0 Then Err.Clear
End Function
'*******************************************************************
' 获得文件扩展名
'*******************************************************************
Function&nbs
