<%
'*******************************************************************
'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(