支付宝提供的DEMO文件太多了，调用也不是很方便，于是合并了支付宝 支付请求、检查通知、支付返回 的操作到一个类中，做到了可以在任何asp项目中引用。因为函数都在类内部，所以不会引起函数名冲突的问题。另外本类已经实现了手机、PC自动判断，分别调用对应的接口。
class AlipayClass
private partnerId
private partnerKey
private partnerUser
private pgCharset
private signType
private payGatway
private payVerify
public notifyUrl
public callbackUrl
public actionName
private BITS_TO_A_BYTE
private BYTES_TO_A_WORD
private BITS_TO_A_WORD
public sub Class_Initialize()
partnerId = "pid(合作商编号)"
partnerKey = "key(支付秘钥)"
partnerUser = "支付宝账号，XX@XX.com"
payGatway = "https://mapi.alipay.com/gateway.do?"
payVerify = "https://mapi.alipay.com/gateway.do?service=notify_verify&"
'单页模式时，url中的action，阿里返回结果时 不带此参数(action=xxx)
'由于 action 参数不参与签名，会导致sign对不上
'?action=pay 支付
'?action=check 检查支付
actionName = "action"
signType = "MD5"
pgCharset = "gbk"
notifyUrl = ""
callbackUrl = ""
call Md5Initial()
end sub
public sub Class_Terminate()
end sub
public function Pay(byval out_trade_no, byval subject, byval body, byval total_fee)
if notifyUrl = "" or callbackUrl = "" then
currentUrl = "http://" & Request.Servervariables("SERVER_NAME")
if Request.Servervariables("SERVER_PORT") <> 80 then currentUrl = currentUrl & ":" & Request.Servervariables("SERVER_PORT")
if notifyUrl = "" then notifyUrl = currentUrl & "/order/notify.asp"
if callbackUrl = "" then callbackUrl = currentUrl & Request.Servervariables("SCRIPT_NAME") & "?" & actionName & "=callback"
end if
if left(total_fee, 1) = "." then total_fee = "0" & total_fee
show_url = Request.Servervariables("HTTP_REFERER") '产品链接，即 本页的前一页链接
'支付类型
payment_type = "1"
userAgent = lcase(Request.Servervariables("HTTP_USER_AGENT"))
if instr(userAgent, "android") > 0 or instr(userAgent, "iphone") > 0 then '自动识别手机或PC
serviceName = "alipay.wap.create.direct.pay.by.user" '手机支付
else
serviceName = "create_direct_pay_by_user" 'PC支付
end if
sParaTemp = Array( "service=" & serviceName , "partner=" & partnerId, "_input_charset=" & pgCharset, "payment_type=" & payment_type, "notify_url=" & notifyUrl, "return_url=" & callbackUrl, "out_trade_no=" & out_trade_no, "subject=" & subject, "total_fee=" & total_fee, "body=" & body, "seller_email=" & partnerUser, "seller_id=" & partnerId,"show_url=" & show_url)
Pay = BuildRequestForm(sParaTemp, "POST", "立即支付，如果没有跳转请点击这里")
end function
private function CreateResult(byval status, byval trade_no, byval total_fee, byval out_trade_no)
set CreateResult = Server.CreateObject("Scripting.Dictionary")
call CreateResult.add("status", status)
if status = false then
call CreateResult.add("message", trade_no)
else
call CreateResult.add("trade_no", trade_no)
call CreateResult.add("out_trade_no", out_trade_no)
call CreateResult.add("total_fee", cSng(total_fee))
end if
end function
public function GetResult()
sParaTemp = GetRequestGet()
If IsArray(sParaTemp) Then
mysign = GetSignVeryfy(sParaTemp)
sResponseTxt = "true"
If Request.QueryString("notify_id") <> "" Then
sResponseTxt = GetResponse(Request.QueryString("notify_id"))
End If
If mysign = Request.QueryString("sign") Then
if sResponseTxt = "true" then
If Request.QueryString("trade_status") = "TRADE_FINISHED" or Request.QueryString("trade_status") = "TRADE_SUCCESS" Then
set GetResult = CreateResult(true, Request.QueryString("trade_no"), Request.QueryString("total_fee"), Request.QueryString("out_trade_no"))
Else
set GetResult = CreateResult(false, "支付状态错误", "", "")
End If
else
set GetResult = CreateResult(false, "检查支付状态错误", "", "")
end if
Else
set GetResult = CreateResult(false, "签名错误", "", "")
End If
Else
set GetResult = CreateResult(false, "非法访问", "", "")
End If
end function
public function GetNotify()
sParaTemp = GetRequestPost()
If IsArray(sParaTemp) Then
mysign = GetSignVeryfy(sParaTemp)
sResponseTxt = "true"
If Request.QueryString("notify_id") <> "" Then
sResponseTxt = GetResponse(Request.QueryString("notify_id"))
End If
If mysign = Request.form("sign") Then
if sResponseTxt = "true" then
If Request.QueryString("trade_status") = "TRADE_FINISHED" or Request.form("trade_status") = "TRADE_SUCCESS" Then
set GetNotify = CreateResult(true, Request.form("trade_no"), Request.form("total_fee"), Request.form("out_trade_no"))
Else
set GetNotify = CreateResult(false, "支付状态错误", "", "")
End If
else
set GetNotify = CreateResult(false, "检查支付状态错误", "", "")
end if
Else
set GetNotify = CreateResult(false, "签名错误", "", "")
End If
Else
set GetNotify = CreateResult(false, "非法访问", "", "")
End If
end function
'=====================================================================================
' 摘要和用到的函数（摘自alipaySDK）
'=====================================================================================
private function GetResponse(notify_id)
Dim sUrl, objHttp, sResponseTxt
sUrl = payVerify & "partner=" & partnerId & "¬ify_id=" & notify_id
Set objHttp = Server.CreateObject("Microsoft.XMLHTTP")
objHttp.open "GET", sUrl, False, "", ""
objHttp.send()
sResponseTxt = objHttp.ResponseText
Set objHttp = Nothing
GetResponse = sResponseTxt
end function
private function GetRequestGet()
Dim sPara(), i
i = 0
For Each varItem in Request.QueryString
if varItem <> actionName then
Redim Preserve sPara(i)
sPara(i) = varItem & "=" & Request(varItem)
i = i + 1
end if
Next
If i = 0 Then '验证是否有数组传来
GetRequestGet = ""
Else
GetRequestGet = sPara
End If
end function
private function GetRequestPost()
Dim sPara(), i
i = 0
For Each varItem in Request.Form
Redim Preserve sPara(i)
sPara(i) = varItem&"="&Request(varItem)
i = i + 1
Next
If i = 0 Then '验证是否有数组传来
GetRequestPost = ""
Else
GetRequestPost = sPara
End If
end function
public function BuildRequestForm(sParaTemp, sMethod, sButtonValue)
Dim sHtml, nCount
sPara = BuildRequestPara(sParaTemp)
sHtml = "<form id=""alipaysubmit"" name=""alipaysubmit"" action=""" & payGatway & "_input_charset=" & pgCharset & """ method=""" & sMethod & """>" & vbCrlf
nCount = ubound(sPara)
For i = 0 To nCount
iPos = Instr(sPara(i),"=")
nLen = Len(sPara(i))
sItemName = left(sPara(i),iPos-1)
sItemValue = right(sPara(i),nLen-iPos)
sHtml = sHtml & "<input type=""hidden"" name="""& sItemName &""" value="""& sItemValue &""" />" & vbCrlf
next
sHtml = sHtml & "<button type=""submit"">" & sButtonValue & "</button>" & vbCrlf
sHtml = sHtml & "</form>" & vbCrlf
sHtml = sHtml & "<script>document.forms['alipaysubmit'].submit();</script>"
BuildRequestForm = sHtml
end function
private function BuildRequestPara(sParaTemp)
Dim mysign
sPara = FilterPara(sParaTemp)
sParaSort = SortPara(sPara)
mysign = BuildRequestMysign(sParaSort)
nCount = ubound(sParaSort)
Redim Preserve sParaSort(nCount+1)
sParaSort(nCount+1) = "sign=" & mysign
Redim Preserve sParaSort(nCount+2)
sParaSort(nCount+2) = "sign_type=" & signType
BuildRequestPara = sParaSort
end function
private function FilterPara(sPara)
Dim sParaFilter(),nCount,j
nCount = ubound(sPara)
j = 0
For i = 0 To nCount
pos = Instr(sPara(i),"=")
nLen = Len(sPara(i))
itemName = left(sPara(i),pos-1)
itemValue = right(sPara(i),nLen-pos)
If itemName <> "sign" And itemName <> "sign_type" And itemValue <> "" and isnull(itemValue) = false Then
Redim Preserve sParaFilter(j)
sParaFilter(j) = sPara(i)
j = j + 1
End If
Next
FilterPara = sParaFilter
end function
private function BuildRequestMysign(sParaSort)
prestr = CreateLinkstring(sParaSort)
Select Case signType
Case "MD5"
BuildRequestMysign = Md5Sign(prestr)
Case Else
BuildRequestMysign = ""
End Select
end function
private function GetSignVeryfy(sParaTemp)
Dim mysign
sPara = FilterPara(sParaTemp)
sParaSort = SortPara(sPara)
prestr = CreateLinkstring(sParaSort)
Select Case signType
Case "MD5"
GetSignVeryfy = Md5Sign(prestr)
Case Else
GetSignVeryfy = ""
End Select
end function
private function CreateLinkstring(sPara)
nCount = ubound(sPara)
Dim prestr
For i = 0 To nCount
If i = nCount Then
prestr = prestr & sPara(i)
Else
prestr = prestr & sPara(i) & "&"
End if
Next
CreateLinkstring = prestr
end function
private function BuildRequestParaToString(sParaTemp)
Dim sRequestData
sPara = BuildRequestPara(sParaTemp)
sRequestData = CreateLinkStringUrlEncode(sPara)
BuildRequestParaToString = sRequestData
end function
private function Md5Sign(prestr)
prestr = prestr & partnerKey
mysign = md5(prestr, pgCharset)
Md5Sign = mysign
End function
private function DelStr(Str)
If IsNull(Str) Or IsEmpty(Str) Then
Str = ""
End If
DelStr = Replace(Str,";","")
DelStr = Replace(DelStr,"'","")
DelStr = Replace(DelStr,"&","")
DelStr = Replace(DelStr," ","")
DelStr = Replace(DelStr," ","")
DelStr = Replace(DelStr,"%20","")
DelStr = Replace(DelStr,"--","")
DelStr = Replace(DelStr,"==","")
DelStr = Replace(DelStr,"<","")
DelStr = Replace(DelStr,">","")
DelStr = Replace(DelStr,"%","")
End function
private function Md5Verify(prestr, sign)
prestr = prestr & partnerKey
mysign = md5(prestr, pgCharset)
If mysign = sign Then
Md5Verify = true
Else
Md5Verify = false
End If
End function
private function GetDateTime()
sTime=now()
sResult = year(sTime)&right("0" & month(sTime),2)&right("0" & day(sTime),2)&right("0" & hour(sTime),2)&right("0" & minute(sTime),2)&right("0" & second(sTime),2)
GetDateTime = sResult
End function
private function GetDateTimeFormat()
sTime=now()
sResult = year(sTime)&"-"&right("0" & month(sTime),2)&"-"&right("0" & day(sTime),2)&" "&right("0" & hour(sTime),2)&":"&right("0" & minute(sTime),2)&":"&right("0" & second(sTime),2)
GetDateTimeFormat = sResult
End function
private function SortPara(sPara)
Dim nCount
nCount = ubound(sPara)
For i = nCount To 0 Step -1
minmax = sPara( 0 )
minmaxSlot = 0
For j = 1 To i
mark = (sPara( j ) > minmax)
If mark Then
minmax = sPara( j )
minmaxSlot = j
End If
Next
If minmaxSlot <> i Then
temp = sPara( minmaxSlot )
sPara( minmaxSlot ) = sPara( i )
sPara( i ) = temp
End If
Next
SortPara = sPara
end function
'=====================================================================================
' MD5
'=====================================================================================
private Sub Md5Initial()
BITS_TO_A_BYTE = 8
BYTES_TO_A_WORD = 4
BITS_TO_A_WORD = 32
End Sub
private m_lOnBits(30)
private m_l2Power(30)
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 str2bin(varstr)
Dim varasc
Dim i
Dim varchar
Dim varlow
Dim varhigh
str2bin=""
For i=1 To Len(varstr)
varchar=mid(varstr,i,1)
varasc = Asc(varchar)
If varasc<0 Then
varasc = varasc + 65535
End If
If varasc>255 Then
varlow = Left(Hex(Asc(varchar)),2)
varhigh = right(Hex(Asc(varchar)),2)
str2bin = str2bin & chrB("&H" & varlow) & chrB("&H" & varhigh)
Else
str2bin = str2bin & chrB(AscB(varchar))
End If
Next
End function
private function str2bin_utf(varstr)
Dim varchar, code, codearr, j, i
str2bin_utf = ""
For i=1 To Len(varstr)
varchar = Mid(varstr,i,1)
code = Server.UrlEncode(varchar)
If(code="+") Then code="%20"
If Len(code) = 1 Then
str2bin_utf = str2bin_utf & chrB(AscB(code))
Else
codearr = Split(code,"%")
For j = 1 to UBound(codearr)
str2bin_utf = str2bin_utf & ChrB("&H" & codearr(j))
Next
End If
Next
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 md5_F(x, y, z)
md5_F = (x And y) Or ((Not x) And z)
End function
private function md5_G(x, y, z)
md5_G = (x And z) Or (y And (Not z))
End function
private function md5_H(x, y, z)
md5_H = (x Xor y Xor z)
End function
private function md5_I(x, y, z)
md5_I = (y Xor (x Or (Not z)))
End function
private Sub md5_FF(a, b, c, d, x, s, ac)
a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_F(b, c, d), x), ac))
a = RotateLeft(a, s)
a = AddUnsigned(a, b)
End Sub
private Sub md5_GG(a, b, c, d, x, s, ac)
a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_G(b, c, d), x), ac))
a = RotateLeft(a, s)
a = AddUnsigned(a, b)
End Sub
private Sub md5_HH(a, b, c, d, x, s, ac)
a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_H(b, c, d), x), ac))
a = RotateLeft(a, s)
a = AddUnsigned(a, b)
End Sub
private Sub md5_II(a, b, c, d, x, s, ac)
a = AddUnsigned(a, AddUnsigned(AddUnsigned(md5_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 = LenB(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(AscB(MidB(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, input_charset)
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)
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
If LCase(input_charset) = "utf-8" Then
x = ConvertToWordArray(str2bin_utf(sMessage))
Else
x = ConvertToWordArray(str2bin(sMessage))
End If
a = &H67452301
b = &HEFCDAB89
c = &H98BADCFE
d = &H10325476
For k = 0 To UBound(x) Step 16
AA = a
BB = b
CC = c
DD = d
md5_FF a, b, c, d, x(k + 0), S11, &HD76AA478
md5_FF d, a, b, c, x(k + 1), S12, &HE8C7B756
md5_FF c, d, a, b, x(k + 2), S13, &H242070DB
md5_FF b, c, d, a, x(k + 3), S14, &HC1BDCEEE
md5_FF a, b, c, d, x(k + 4), S11, &HF57C0FAF
md5_FF d, a, b, c, x(k + 5), S12, &H4787C62A
md5_FF c, d, a, b, x(k + 6), S13, &HA8304613
md5_FF b, c, d, a, x(k + 7), S14, &HFD469501
md5_FF a, b, c, d, x(k + 8), S11, &H698098D8
md5_FF d, a, b, c, x(k + 9), S12, &H8B44F7AF
md5_FF c, d, a, b, x(k + 10), S13, &HFFFF5BB1
md5_FF b, c, d, a, x(k + 11), S14, &H895CD7BE
md5_FF a, b, c, d, x(k + 12), S11, &H6B901122
md5_FF d, a, b, c, x(k + 13), S12, &HFD987193
md5_FF c, d, a, b, x(k + 14), S13, &HA679438E
md5_FF b, c, d, a, x(k + 15), S14, &H49B40821
md5_GG a, b, c, d, x(k + 1), S21, &HF61E2562
md5_GG d, a, b, c, x(k + 6), S22, &HC040B340
md5_GG c, d, a, b, x(k + 11), S23, &H265E5A51
md5_GG b, c, d, a, x(k + 0), S24, &HE9B6C7AA
md5_GG a, b, c, d, x(k + 5), S21, &HD62F105D
md5_GG d, a, b, c, x(k + 10), S22, &H2441453
md5_GG c, d, a, b, x(k + 15), S23, &HD8A1E681
md5_GG b, c, d, a, x(k + 4), S24, &HE7D3FBC8
md5_GG a, b, c, d, x(k + 9), S21, &H21E1CDE6
md5_GG d, a, b, c, x(k + 14), S22, &HC33707D6
md5_GG c, d, a, b, x(k + 3), S23, &HF4D50D87
md5_GG b, c, d, a, x(k + 8), S24, &H455A14ED
md5_GG a, b, c, d, x(k + 13), S21, &HA9E3E905
md5_GG d, a, b, c, x(k + 2), S22, &HFCEFA3F8
md5_GG c, d, a, b, x(k + 7), S23, &H676F02D9
md5_GG b, c, d, a, x(k + 12), S24, &H8D2A4C8A
md5_HH a, b, c, d, x(k + 5), S31, &HFFFA3942
md5_HH d, a, b, c, x(k + 8), S32, &H8771F681
md5_HH c, d, a, b, x(k + 11), S33, &H6D9D6122
md5_HH b, c, d, a, x(k + 14), S34, &HFDE5380C
md5_HH a, b, c, d, x(k + 1), S31, &HA4BEEA44
md5_HH d, a, b, c, x(k + 4), S32, &H4BDECFA9
md5_HH c, d, a, b, x(k + 7), S33, &HF6BB4B60
md5_HH b, c, d, a, x(k + 10), S34, &HBEBFBC70
md5_HH a, b, c, d, x(k + 13), S31, &H289B7EC6
md5_HH d, a, b, c, x(k + 0), S32, &HEAA127FA
md5_HH c, d, a, b, x(k + 3), S33, &HD4EF3085
md5_HH b, c, d, a, x(k + 6), S34, &H4881D05
md5_HH a, b, c, d, x(k + 9), S31, &HD9D4D039
md5_HH d, a, b, c, x(k + 12), S32, &HE6DB99E5
md5_HH c, d, a, b, x(k + 15), S33, &H1FA27CF8
md5_HH b, c, d, a, x(k + 2), S34, &HC4AC5665
md5_II a, b, c, d, x(k + 0), S41, &HF4292244
md5_II d, a, b, c, x(k + 7), S42, &H432AFF97
md5_II c, d, a, b, x(k + 14), S43, &HAB9423A7
md5_II b, c, d, a, x(k + 5), S44, &HFC93A039
md5_II a, b, c, d, x(k + 12), S41, &H655B59C3
md5_II d, a, b, c, x(k + 3), S42, &H8F0CCC92
md5_II c, d, a, b, x(k + 10), S43, &HFFEFF47D
md5_II b, c, d, a, x(k + 1), S44, &H85845DD1
md5_II a, b, c, d, x(k + 8), S41, &H6FA87E4F
md5_II d, a, b, c, x(k + 15), S42, &HFE2CE6E0
md5_II c, d, a, b, x(k + 6), S43, &HA3014314
md5_II b, c, d, a, x(k + 13), S44, &H4E0811A1
md5_II a, b, c, d, x(k + 4), S41, &HF7537E82
md5_II d, a, b, c, x(k + 11), S42, &HBD3AF235
md5_II c, d, a, b, x(k + 2), S43, &H2AD7D2BB
md5_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
end class
创建表单
set alipay = new AlipayClass
alipay.notifyUrl = "" '后台通知地址，如果不设置，系统自动调用 http://当前域名/order/notify.asp
alipay.callbackUrl = "" '客户支付返回地址，如果不设置，自动调用 http://当前域名/当前页面.asp?action=callback
alipay.actionName = "action" 'url中的action
trade_no = "订单号"
title = "订单标题"
body = "订单详情"
paymoney = 1 '订单金额
response.write alipay.Pay(trade_no, title, body, paymoney)
用户支付完毕回调
set alipay = new AlipayClass
set result = alipay.GetResult()
if result.item("status") = false then
response.write result.item("message") '出书错误信息
else
out_trade_no = result.item("out_trade_no")
total_fee = result.item("total_fee")
trade_no = result.item("trade_no")
if isnumeric(out_trade_no) and isnumeric(total_fee) then
'业务流程，和数据库中对比
'支付完毕
end if
end if
后台通知，返回的结果格式和用户支付完回调的格式一致
set alipay = new AlipayClass
set result = alipay.GetNotify()
if result.item("status") = false then
response.write result.item("message") '出书错误信息
else
out_trade_no = result.item("out_trade_no")
total_fee = result.item("total_fee")
trade_no = result.item("trade_no")
if isnumeric(out_trade_no) and isnumeric(total_fee) then
'业务流程，和数据库中对比
response.write "SUCCESS"
end if
end if