<%
option explicit
'功能：支付宝接口公用函数(封装)
'版本：1.0
'作者：Joost
'创建日期：2011-1-26
'说明：
'封装支付宝接口，方便调用，不涉及功能变动，用户只需实例化该类，设置参数就可以，如果你发现BUG也可以在http://wei0523123.iteye.com/给我留言
'该代码仅供学习和研究支付宝接口使用，只是提供一个参考。
%>
<%
'dim alipay
'set alipay=new cls_alipay
''----------------------------------------------------------
''基本参数设定
'alipay.partner="lvcheng"
'alipay.key="lvcheng"
'alipay.seller_email="lvcheng"
''alipay.input_charset="gb2312"
'alipay.notify_url="http://www.lvcheng123.com"
'alipay.return_url="http://www.lvcheng123.com"
'alipay.show_url="http://www.lvcheng123.com"
'alipay.sign_type="MD5"
'alipay.antiphishing="0"
'alipay.mainname="绿城团购"
''----------------------------------------------------------
''alipay.out_trade_no
'alipay.subject="会员xxxx订购xxxx"
'alipay.body="订单详细"
'alipay.total_fee=5000
'alipay.pay_mode="directPay"
''alipay.encrypt_key
''alipay.exter_invoke_ip
''alipay.extra_common_param
''alipay.buyer_email
''alipay.royalty_type
''alipay.royalty_parameters
''alipay.it_b_pay=15
'
''----------------------------------------------------------
'alipay.alipay_service()
'dim arr:arr=alipay.para
'response.Write(alipay.input_charset&"<br>")
'response.Write(arr(0)&"<br>")
'response.Write alipay.create_url()
'set alipay=nothing
Class cls_alipay
private alipay_md5
private gateway '网关地址
private mysign '加密结果（签名结果）
private sPara '需要加密的已经过滤后的参数数
'----------------------------------------------------------
'基本参数设定
private s_partner
private s_key
private s_seller_email
private s_input_charset
private s_notify_url
private s_return_url
private s_show_url
private s_sign_type
private s_antiphishing
private s_mainname
'----------------------------------------------------------
'请求参数
private s_out_trade_no
private s_subject
private s_body '订单描述、订单详细、订单备注，显示在支付宝收银台里的"商品描述"里
private s_total_fee
private s_pay_mode
private s_paymethod
private s_defaultbank
private s_encrypt_key
private s_exter_invoke_ip
private s_extra_common_param
private s_buyer_email
private s_royalty_type
private s_royalty_parameters
private s_it_b_pay
private s_para
'----------------------------------------------------------
public Property Let partner(byval val)
s_partner = val
end Property
public Property Get partner()
partner = s_partner
end Property
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let key(byval val)
s_key = val
end Property
public Property Get key()
key = s_key
end Property
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let seller_email(byval val)
s_seller_email = val
end Property
public Property Get seller_email()
seller_email = s_seller_email
end Property
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let input_charset(byval val)
s_input_charset = val
end Property
public Property Get input_charset()
input_charset = s_input_charset
end Property
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let notify_url(byval val)
s_notify_url = val
end Property
public Property Get notify_url()
notify_url = s_notify_url
end Property
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let return_url(byval val)
s_return_url = val
end Property
public Property Get return_url()
return_url = s_return_url
end Property
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let show_url(byval val)
s_show_url = val
end Property
public Property Get show_url()
show_url = s_show_url
end Property
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let sign_type(byval val)
s_sign_type = val
end Property
public Property Get sign_type()
sign_type = s_sign_type
end Property
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let antiphishing(byval val)
if(val = "1") then
s_encrypt_key = query_timestamp(s_partner)
s_exter_invoke_ip = getip() '获取客户端的IP地址
end if
s_antiphishing = val
end Property
public Property Get antiphishing()
antiphishing = s_antiphishing
end Property
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let mainname(byval val)
s_mainname = val
end Property
public Property Get mainname()
mainname = s_mainname
end Property
'----------------------------------------------------------
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let out_trade_no(byval val)
s_out_trade_no = val
end Property
public Property Get out_trade_no()
out_trade_no = s_out_trade_no
end Property
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let subject(byval val)
s_subject = val
end Property
public Property Get subject()
subject = s_subject
end Property
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let body(byval val)
s_body = val
end Property
public Property Get body()
body = s_body
end Property
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let total_fee(byval val)
s_total_fee = val
end Property
public Property Get total_fee()
total_fee = s_total_fee
end Property
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let pay_mode(byval val)
if val = "directPay" then
s_paymethod = "directPay" '默认支付方式，四个值可选：bankPay(网银); cartoon(卡通); directPay(余额); CASH(网点支付)
s_defaultbank = ""
else
s_paymethod = "bankPay" '默认支付方式，四个值可选：bankPay(网银); cartoon(卡通); directPay(余额); CASH(网点支付)
s_defaultbank = val '默认网银代号，代号列表见http://club.alipay.com/read.php?tid=8681379
end if
s_pay_mode = val
end Property
public Property Get pay_mode()
pay_mode = s_pay_mode
end Property
'----------------------------------------------------------
'----------------------------------------------------------
'只读
' public Property Let defaultbank(byval val)
' s_defaultbank = val
' end Property
public Property Get defaultbank()
defaultbank = s_defaultbank
end Property
'----------------------------------------------------------
'----------------------------------------------------------
'只读
' public Property Let defaultbank(byval val)
' s_defaultbank = val
' end Property
public Property Get paymethod()
paymethod = s_paymethod
end Property
'----------------------------------------------------------
'----------------------------------------------------------
'只读
' public Property Let encrypt_key(byval val)
' s_encrypt_key = val
' end Property
public Property Get encrypt_key()
encrypt_key = s_encrypt_key
end Property
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let exter_invoke_ip(byval val)
s_exter_invoke_ip = val
end Property
public Property Get exter_invoke_ip()
exter_invoke_ip = s_exter_invoke_ip
end Property
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let extra_common_param(byval val)
s_extra_common_param = val
end Property
public Property Get extra_common_param()
extra_common_param = s_extra_common_param
end Property
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let buyer_email(byval val)
s_buyer_email = val
end Property
public Property Get buyer_email()
buyer_email = s_buyer_email
end Property
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let royalty_type(byval val)
s_royalty_type = val
end Property
public Property Get royalty_type()
royalty_type = s_royalty_type
end Property
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let royalty_parameters(byval val)
s_royalty_parameters = val
end Property
public Property Get royalty_parameters()
royalty_parameters = s_royalty_parameters
end Property
'----------------------------------------------------------
'----------------------------------------------------------
public Property Let it_b_pay(byval val)
s_it_b_pay = val
end Property
public Property Get it_b_pay()
it_b_pay = s_it_b_pay
end Property
'----------------------------------------------------------
'----------------------------------------------------------
'只读
' public Property Let input_charset(byval val)
' s_input_charset = val
' end Property
public Property Get para()
para = s_para
end Property
'----------------------------------------------------------
'初始化
'----------------------------------------------------------
private sub Class_Initialize
dim sTime
'网关地址
gateway ="http://notify.alipay.com/trade/notify_query.do?"
'----------------------------------------------------------
'以下默认初始化参数
s_partner ="lvcheng"
s_key ="lvcheng"
s_seller_email ="lvcheng"
s_input_charset ="utf-8" '设置编码
s_notify_url ="http://www.lvcheng123.com"
s_return_url ="http://www.lvcheng123.com"
s_show_url ="http://www.lvcheng123.com"
s_sign_type ="MD5"
s_antiphishing ="0"
s_mainname ="绿城团购"
s_paymethod ="directPay"
sTime=Now()
'初始订单编号
s_out_trade_no =year(sTime)&month(sTime)&day(sTime)&hour(sTime)&minute(sTime)&second(sTime)
'以上默认初始化参数
'----------------------------------------------------------
set alipay_md5=new cls_alipay_md5
'设置MD5编码
alipay_md5.input_charset=s_input_charset
end sub
'----------------------------------------------------------
'销毁对象
'----------------------------------------------------------
private sub Class_Terminate
set alipay_md5=nothing
end sub
'----------------------------------------------------------
'构造要请求的参数数组，无需改动
'----------------------------------------------------------
private sub cate_para()
s_para = Array("service=create_direct_pay_by_user","payment_type=1","partner="&s_partner,"seller_email="&s_seller_email,"return_url="&s_return_url,"notify_url="&s_notify_url,"_input_charset="&s_input_charset,"show_url="&s_show_url,"out_trade_no="&s_out_trade_no,"subject="&s_subject,"body="&s_body,"total_fee="&s_total_fee,"paymethod="&s_paymethod,"defaultbank="&s_defaultbank,"anti_phishing_key="&s_encrypt_key,"exter_invoke_ip="&s_exter_invoke_ip,"extra_common_param="&s_extra_common_param,"buyer_email="&s_buyer_email,"royalty_type="&s_royalty_type,"royalty_parameters="&s_royalty_parameters,"it_b_pay="&s_it_b_pay)
end sub
'----------------------------------------------------------
'构造函数
'从配置文件及入口文件中初始化变量
'inputPara 需要加密的参数数组
'----------------------------------------------------------
function alipay_service()
dim sort_para
'构造要请求的参数数组
call cate_para()
gateway = "https://www.alipay.com/cooperate/gateway.do?"
sPara = para_filter(s_para)
sort_para = arg_sort(sPara) '得到从字母a到z排序后的加密参数数组
'获得签名结果
mysign = build_mysign(sort_para,s_key)
end function
'----------------------------------------------------------
'构造请求URL（GET方式请求）
'输出 请求url
'----------------------------------------------------------
function create_url()
dim sort_para,arg,url
url = gateway
sort_para = arg_sort(sPara)
arg = create_linkstring_urlencode(sort_para) '把数组所有元素，按照"参数=参数值"的模式用"&"字符拼接成字符串
url = url & arg & "sign=" &mysign & "&sign_type=" & s_sign_type
create_url = url
end function
'----------------------------------------------------------
'构造Post表单提交HTML（POST方式请求）
'输出 表单提交HTML文本
'----------------------------------------------------------
function build_postform()
dim nCount,nLen,sHtml,pos,itemName,itemValue
sHtml = "<form id='alipaysubmit' name='alipaysubmit' action='"& gateway &"_input_charset="&s_input_charset&"' method='post'>"
nCount = ubound(sPara)
for i = 0 to nCount
'把sArray的数组里的元素格式：变量名=值，分割开来
pos = Instr(sPara(i),"=") '获得=字符的位置
nLen = Len(sPara(i)) '获得字符串长度
itemName = left(sPara(i),pos-1) '获得变量名
itemValue = right(sPara(i),nLen-pos)'获得变量的值
sHtml = sHtml & "<input type='hidden' name='"& itemName &"' value='"& itemValue &"'/>"
next
sHtml = sHtml & "<input type='hidden' name='sign' value='"& mysign &"'/>"
sHtml = sHtml & "<input type='hidden' name='sign_type' value='"& s_sign_type &"'/></form>"
sHtml = sHtml & "<input type=""button"" name=""v_action"" value=""支付宝确认付款"" onClick=""document.forms['alipaysubmit'].submit();"">"
build_postform = sHtml
end function
'********************************************************************************
'----------------------------------------------------------
'对notify_url的认证
'输出 验证结果：true/false
function notify_verify()
dim responseTxt,sGetArray,sArray,sort_para,sWord
responseTxt = get_http() '判断消息是不是支付宝发出
sGetArray = GetRequestPost() '获取支付宝POST过来通知消息，并以"参数名=参数值"的形式组成数组
if IsArray(sGetArray) then '验证是否有数组传来
'生成签名结果
sArray = para_filter(sGetArray) '对所有POST反馈回来的数据去空格
sort_para = arg_sort(sArray) '对所有POST反馈回来的数据排序
mysign = build_mysign(sort_para,s_key) '生成签名结果
'写日志记录（若要调试，请取消下面两行注释）
sWord = "responseTxt="& responseTxt &"\n return_url_log:sign="&request.Form("sign")&"&mysign="&mysign&"&"&create_linkstring(sort_para)
log_result(sWord)
'判断veryfy_responsetTxtresult是否为ture，生成的签名结果mysign与获得的签名结果sign是否一致
'responsetTxt的结果不是true，与服务器设置问题、合作身份者ID、notify_id一分钟失效有关
'mysign与sign不等，与安全校验码、请求时的参数格式（如：带自定义参数等）、编码格式有关
if mysign = request.Form("sign") and responseTxt = "true" then
notify_verify = true
else
notify_verify = false
end if
else
notify_verify = false
end if
end function
'----------------------------------------------------------
'对return_url的认证
'输出 验证结果：true/false
'----------------------------------------------------------
function return_verify()
dim sWord,responseTxt,sGetArray,sArray,sort_para
responseTxt = get_http() '判断消息是不是支付宝发出
sGetArray = GetRequestGet() '获取支付宝GET过来通知消息，并以"参数名=参数值"的形式组成数组
if IsArray(sGetArray) then '验证是否有数组传来
'生成签名结果
sArray = para_filter(sGetArray) '对所有GET反馈回来的数据去空格
sort_para = arg_sort(sArray) '对所有GET反馈回来的数据排序
mysign = build_mysign(sort_para,s_key) '生成签名结果
'写日志记录（若要调试，请取消下面两行注释）
' sWord = "responseTxt="& responseTxt &"\n return_url_log:sign="&request.QueryString("sign")&"&mysign="&mysign&"&"&create_linkstring(sort_para)
' log_result(sWord)
'判断responsetTxt是否为ture，生成的签名结果mysign与获得的签名结果sign是否一致
'responsetTxt的结果不是true，与服务器设置问题、合作身份者ID、notify_id一分钟失效有关
'mysign与sign不等，与安全校验码、请求时的参数格式（如：带自定义参数等）、编码格式有关
if mysign = request.QueryString("sign") and responseTxt = "true" then
return_verify = true
else
return_verify = false
end if
else
return_verify = false
end if
end function
'----------------------------------------------------------
'获取支付宝GET过来通知消息，并以"参数名=参数值"的形式组成数组
'输出 request回来的信息组成的数组
'----------------------------------------------------------
function GetRequestGet()
dim sArray(),varItem,i
i = 0
For Each varItem in Request.QueryString
Redim Preserve sArray(i)
sArray(i) = varItem&"="&Request(varItem)
i = i + 1
Next
if i = 0 then '验证是否有数组传来
GetRequestGet = ""
else
GetRequestGet = sArray
end if
end function
'----------------------------------------------------------
'获取支付宝POST过来通知消息，并以"参数名=参数值"的形式组成数组
'输出 request回来的信息组成的数组
'----------------------------------------------------------
function GetRequestPost()
dim sArray(),varItem,i
i = 0
For Each varItem in Request.Form
Redim Preserve sArray(i)
sArray(i) = varItem&"="&Request(varItem)
i = i + 1
Next
if i = 0 then '验证是否有数组传来
GetRequestPost = ""
else
GetRequestPost = sArray
end if
end function
'----------------------------------------------------------
'获取远程服务器ATN结果
'输出 服务器ATN结果字符串
'----------------------------------------------------------
private function get_http()
dim Retrieval,ResponseTxt
gateway = gateway &"partner=" & s_partner & "¬ify_id=" & request("notify_id")
Set Retrieval = Server.CreateObject("Msxml2.ServerXMLHTTP.3.0")
Retrieval.setOption 2, 13056
Retrieval.open "GET", gateway, False, "", ""
Retrieval.send()
ResponseTxt = Retrieval.ResponseText
set Retrieval = Nothing
get_http = ResponseTxt
end function
'----------------------------------------------------------
'********************************************************************************
'----------------------------------------------------------
'生成签名结果
'sArray 要加密的数组
'key 安全校验码
'sign_type 加密类型
'输出 签名结果字符串
'----------------------------------------------------------
private function build_mysign(sArray, key)
dim prestr,nLen
prestr = create_linkstring(sArray) '把数组所有元素，按照"参数=参数值"的模式用"&"字符拼接成字符串
'去掉最後一個&字符
nLen = Len(prestr)
prestr = left(prestr,nLen-1)
prestr = prestr & key '把拼接后的字符串再与安全校验码直接连接起来
mysign = sign(prestr) '把最终的字符串加密，获得签名结果
build_mysign = mysign
end function
'----------------------------------------------------------
'把数组所有元素，按照"参数=参数值"的模式用"&"字符拼接成字符串
'sArray 需要拼接的数组
'输出 拼接完成以后的字符串
'----------------------------------------------------------
private function create_linkstring(sArray)
dim nCount,i
nCount = ubound(sArray)
dim prestr
for i = 0 to nCount
prestr = prestr & sArray(i) & "&"
next
create_linkstring = prestr
end function
'----------------------------------------------------------
'把数组所有元素，按照"参数=参数值"的模式用"&"字符拼接成字符串
'使用场景：GET方式请求时，对URL的中文进行编码
'sArray 需要拼接的数组
'输出 拼接完成以后的字符串
'----------------------------------------------------------
private function create_linkstring_urlencode(sArray)
dim nCount,i,pos,nLen,itemName,itemValue
nCount = ubound(sArray)
dim prestr
for i = 0 to nCount
'把sArray的数组里的元素格式：变量名=值，分割开来
pos = Instr(sArray(i),"=") '获得=字符的位置
nLen = Len(sArray(i)) '获得字符串长度
itemName = left(sArray(i),pos-1) '获得变量名
itemValue = right(sArray(i),nLen-pos)'获得变量的值
if itemName <> "service" and itemName <> "_input_charset" then
prestr = prestr & itemName &"=" & server.URLEncode(itemValue) & "&"
else
prestr = prestr & sArray(i) & "&"
end if
next
create_linkstring_urlencode = prestr
end function
'----------------------------------------------------------
'除去数组中的空值和签名参数
'sArray 加密参数组
'输出 去掉空值与签名参数后的新加密参数组
'----------------------------------------------------------
private function para_filter(sArray)
dim para(),nCount,i,pos,nLen,itemName,itemValue
nCount = ubound(sArray)
dim j
j = 0
for i = 0 to nCount
'把sArray的数组里的元素格式：变量名=值，分割开来
pos = Instr(sArray(i),"=") '获得=字符的位置
nLen = Len(sArray(i)) '获得字符串长度
itemName = left(sArray(i),pos-1) '获得变量名
itemValue = right(sArray(i),nLen-pos)'获得变量的值
if itemName <> "sign" and itemName <> "sign_type" and itemValue <> "" then
Redim Preserve para(j)
para(j) = sArray(i)
j = j + 1
end if
next
para_filter = para
end function
'----------------------------------------------------------
'对数组排序
'sArray 排序前的数组
'输出 排序后的数组
'----------------------------------------------------------
private function arg_sort(sArray)
dim nCount,i,minmax,minmaxSlot,j,mark,temp
nCount = ubound(sArray)
For i = nCount TO 0 Step -1
minmax = sArray( 0 )
minmaxSlot = 0
For j = 1 To i
mark = (sArray( j ) > minmax)
If mark Then
minmax = sArray( j )
minmaxSlot = j
end If
Next
If minmaxSlot <> i Then
temp = sArray( minmaxSlot )
sArray( minmaxSlot ) = sArray( i )
sArray( i ) = temp
end If
Next
arg_sort = sArray
end function
'----------------------------------------------------------
'加密字符串
'prestr 需要加密的字符串
'sign_type 加密类型
'输出 加密结果
'----------------------------------------------------------
private function sign(prestr)
dim sResult
if s_sign_type = "MD5" then
sResult = alipay_md5.md5(prestr)
else
sResult = ""
end if
sign = sResult
end function
'----------------------------------------------------------
'用于防钓鱼，调用接口query_timestamp来获取时间戳的处理函数
'注意：远程解析XML出错，与IIS服务器配置有关
'partner 合作身份者ID
'输出 时间戳字符串
'----------------------------------------------------------
private function query_timestamp(partner)
dim url,UserData,encrypt_key, http,xml
url = "https://mapi.alipay.com/gateway.do?service=query_timestamp&partner="&s_partner
Set http=Server.CreateObject("Microsoft.XMLHTTP")
http.Open "GET",url,False
http.send
Set xml=Server.CreateObject("Microsoft.XMLDOM")
xml.Async=true
xml.ValidateOnParse=False
xml.Load(http.ResponseXML)
set UserData=xml.getElementsByTagName("encrypt_key") ' 节点的名称
if isnull(xml.getElementsByTagName("encrypt_key") ) then
encrypt_key = ""
else
encrypt_key = UserData.item(0).childnodes(0).text
end if
query_timestamp = encrypt_key
end function
'----------------------------------------------------------
'写日志，方便测试（看网站需求，也可以改成存入数据库）
'sWord 要写入日志里的文本内容
'----------------------------------------------------------
private function log_result(sWord)
dim fs,ts
set fs= createobject("scripting.filesystemobject")
set ts=fs.createtextfile(server.MapPath("/pay/log/"&replace(now(),":","")&Rnd(1000)&".txt"),true)
ts.writeline(sWord)
ts.close
set ts=Nothing
set fs=Nothing
end function
'----------------------------------------------------------
'过滤特殊字符
'Str 要被过滤的字符串
'输出 已被过滤掉的新字符串
'----------------------------------------------------------
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
'--------------------------------------------------
'获取客户端IP的处理函数
'输出 IP
'--------------------------------------------------
public function getip()
Dim addr, x, y
x = request.ServerVariables("HTTP_X_FORWARDED_FOR")
y = request.ServerVariables("REMOTE_ADDR")
if(isN(x) or lCase(x)="unknown")then
addr=y
else
addr=x
end if
if InStr(addr,".")=0 Then addr = "0.0.0.0"
getip = addr
end function
'--------------------------------------------------
'判断字段是否为空的处理函数
'输出 true or false
'--------------------------------------------------
private function isN(ByVal s)
isN = False
Select Case VarType(s)
Case vbEmpty, vbNull
isN = True : Exit Function
Case vbString
If s="" Then isN = True : Exit Function
Case vbObject
Select Case TypeName(s)
Case "Nothing","Empty"
isN = True : Exit Function
Case "Recordset"
If s.State = 0 Then isN = True : Exit Function
If s.Bof And s.Eof Then isN = True : Exit Function
Case "Dictionary"
If s.Count = 0 Then isN = True : Exit Function
End Select
Case vbArray,8194,8204,8209
If Ubound(s)=-1 Then isN = True : Exit Function
End Select
end function
End Class
Private Const BITS_TO_A_BYTE = 8
Private Const BYTES_TO_A_WORD = 4
Private Const BITS_TO_A_WORD = 32
Class cls_alipay_md5
'功能：支付宝MD5加密处理核心文件，不需要修改
'版本：3.0
'修改日期：2010-05-27
private s_input_charset
Private m_lOnBits(30)
Private m_l2Power(30)
Public Property Let input_charset(byval val)
s_input_charset = val
End Property
Public Property Get input_charset()
input_charset = s_input_charset
End Property
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)
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(s_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
%>
支付宝接口整合（封装）asp版本
最新推荐文章于 2021-04-13 22:37:46 发布
本文介绍了一个支付宝接口的封装实现，通过VBScript实现，包括参数设置、签名生成、请求URL构造等功能，便于用户快速调用支付宝支付接口。
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