ASP版微信分享JS-SDK代码

jssdk.asp

<%
   '-------------------------------------------------
   '解析json
   'Call InitScriptControl
   'Set objTest = getJSONObject(strTest)
   '-------------------------------------------------
   Dim sc4Json
   Sub InitScriptControl
       Set sc4Json = Server.CreateObject("MSScriptControl.ScriptControl")
       sc4Json.Language = "JavaScript"
       sc4Json.AddCode "var itemTemp=null;function getJSArray(arr, index){itemTemp=arr[index];}"
   End Sub
   Function getJSONObject(strJSON)
       sc4Json.AddCode "var jsonObject = " & strJSON
       Set getJSONObject = sc4Json.CodeObject.jsonObject
   End Function
   Sub getJSArrayItem(objDest,objJSArray,index)
       On Error Resume Next
       sc4Json.Run "getJSArray",objJSArray, index
       Set objDest = sc4Json.CodeObject.itemTemp
       If Err.number=0 Then Exit Sub
       objDest = sc4Json.CodeObject.itemTemp
   End Sub
   Call InitScriptControl


   '-------------------------------------------------
   '函数名称:GetRnd
   '参数：t0 生成字符串长度
   '作用:生成随机字符串
   '-------------------------------------------------
   Function GetRnd(t0)
       randomize
       dim n1,n2,n3
       do while len(getrnd)<t0 '随机字符位数
           n1=cstr(chrw((57-48)*rnd+48)) '0~9
           n2=cstr(chrw((90-65)*rnd+65)) 'a~z
           n3=cstr(chrw((122-97)*rnd+97)) 'a~z
           getrnd=getrnd&n1&n2&n3
       loop
   End Function

   '-------------------------------------------------
   '函数名称:ToUnixTime
   '参数：strTime 欲转换的时间
   '作用:普通日期转换成时间戳
   '-------------------------------------------------
   Function ToUnixTime(strTime)
       If IsEmpty(strTime) or Not IsDate(strTime) Then strTime = Now
       ToUnixTime = DateAdd("h",-8,strTime)
       ToUnixTime = DateDiff("s","1970-1-1 0:0:0", ToUnixTime)
   End Function

   '-------------------------------------------------
   '函数名称:Get_signature
   '参数：Ticket
   ' nonceStr
   ' uTime
   ' LocationURL
   '作用:生成signature
   '-------------------------------------------------
   function Get_signature(Ticket,nonceStr,uTime,LocationURL)
       Get_signature=sha1("jsapi_ticket="&Ticket&"&noncestr="&nonceStr&"&timestamp="&uTime&"&url="&LocationURL&"")
   end function

   '-------------------------------------------------
   '函数名称:GetLocationURL
   '作用:获取得当页面地址
   '-------------------------------------------------
   Function GetLocationURL()
       Dim Url
       Dim ServerPort,ServerName,ScriptName,QueryString,indexfile
       ServerName = Request.ServerVariables("SERVER_NAME")
       ServerPort = Request.ServerVariables("SERVER_PORT")
       ScriptName = Request.ServerVariables("SCRIPT_NAME")
       indexfile = Mid(Request.ServerVariables("URL"),InstrRev(Request.ServerVariables("URL"),"/")+1)
       if indexfile="index.asp" then
           ScriptName=replace(ScriptName,"index.asp","")
       end if
       if indexfile="default.asp" then
           ScriptName=replace(ScriptName,"default.asp","")
       end if
       QueryString = Request.ServerVariables("QUERY_STRING")
       Url="http://"&ServerName
       If ServerPort <> "80" Then Url = Url & ":" & ServerPort
       Url=Url&ScriptName
       If QueryString <>"" Then Url=Url&"?"& QueryString
       GetLocationURL=Url
   End Function

   '-------------------------------------------------
   '函数名称:GetToken
   '作用:获取最新Access_token
   '-------------------------------------------------
   Private function GetToken()
       dim strJson
       strJson=GetURL("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid="&AppId&"&secret="&Appsecret&"")
       if InStr(strJson,"errcode")>0 then GetToken="":exit function
       Set objTest = getJSONObject(strJson)
       TokenTime=nowTime
       ExpiresIn=objTest.expires_in
       GetToken=objTest.access_token   '获取新Access_token
       set objTest=nothing
   End function

   '-------------------------------------------------
   '函数名称:Get_Ticket
   '作用:获取最新jsapi_ticket
   '-------------------------------------------------
   Private function Get_Ticket()
       dim strJson
       strJson=GetURL("https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token="&AccessToken&"&type=jsapi")
       Set objTest2 = getJSONObject(strJson)
       if objTest2.errcode<>"0" then Get_Ticket="":exit function
       TicketTime=nowTime
       ExpiresIn=objTest2.expires_in
       Get_Ticket=objTest2.ticket   '获取新jsapi_ticket
       set objTest2=nothing
   End function

   '-------------------------------------------------
   '函数名称:PostURL
   '参数：url
   ' PostStr
   '作用:Post内容，通过xml.http形式获取远程文件
   '-------------------------------------------------
   Function PostURL(url,PostStr)
       Set Retrieval = Server.CreateObject("Msxml2.ServerXMLHTTP")
       With Retrieval
           .Open "POST", url, false ,"" ,""
           .setRequestHeader "Content-Type","application/x-www-form-urlencoded"
           .Send(PostStr)
           PostURL = .responsetext
       End With
       Set Retrieval = Nothing
       'response.Write PostURL
   End Function

   '-------------------------------------------------
   '函数名称:GetURL
   '参数：url
   '作用:Get内容，通过xml.http形式获取远程文件
   '-------------------------------------------------
   Function GetURL(url)
       dim http
       set http=server.createobject("Msxml2.ServerXMLHTTP")
           http.open "GET",url,false
           http.setRequestHeader "If-Modified-Since","0"
           http.send()
           GetURL=http.responsetext
       set http=nothing
       'response.Write GetURL
   End Function

   '-------------------------------------------------
   '函数名称:ReadTextFile
   '参数：FileUrl
   ' CharSet
   '作用:利用AdoDb.Stream对象来读取UTF-8格式的文本文件
   '----------------------------------------------------
   Function ReadFromTextFile (FileUrl,CharSet)
   dim str,stm
   set stm=server.CreateObject("adodb.stream")
   stm.Type=2 '以本模式读取
   stm.mode=3
   stm.charset=CharSet
   stm.open
   stm.loadfromfile server.MapPath(FileUrl)
   str=stm.readtext
   stm.Close
   set stm=nothing
   ReadFromTextFile=str
   End Function

   '-------------------------------------------------
   '函数名称:WriteToTextFile
   '参数：FileUrl
   ' Str
   ' CharSet
   '作用:利用AdoDb.Stream对象来写入UTF-8格式的文本文件
   '----------------------------------------------------
   Sub WriteToTextFile (FileUrl,byval Str,CharSet)
   dim stm
   set stm=server.CreateObject("adodb.stream")
   stm.Type=2 '以本模式读取
   stm.mode=3
   stm.charset=CharSet
   stm.open
   stm.WriteText str
   stm.SaveToFile server.MapPath(FileUrl),2
   stm.flush
   stm.Close
   set stm=nothing
   End Sub

dim nowTime,outConten,timestamp,nonceStr,signature,lUrl
nowTime = ToUnixTime(now)

If nowTime-TokenTime>ExpiresIn then '当Access_token过期时，重新获取新Access_token
   AccessToken = GetToken()
End If

If nowTime-TicketTime>ExpiresIn then '当jsapi_ticket过期时，重新获取新jsapi_ticket
   JsapiTicket = Get_Ticket()
End If

outConten = "<"&Chr("37")&vbcrlf
outConten = outConten&"dim AppId,AppSecret,AccessToken,TokenTime,JsapiTicket,TicketTime,ExpiresIn"&vbcrlf
outConten = outConten&"AppId = ""这里预置AppId"""&vbcrlf
outConten = outConten&"AppSecret = ""这里预置AppSecret"""&vbcrlf
outConten = outConten&"AccessToken = """&AccessToken&""""&vbcrlf
outConten = outConten&"TokenTime = "&TokenTime&vbcrlf
outConten = outConten&"JsapiTicket = """&JsapiTicket&""""&vbcrlf
outConten = outConten&"TicketTime = "&TicketTime&vbcrlf
outConten = outConten&"ExpiresIn = 7000"&vbcrlf
outConten = outConten&Chr("37")&">"
call WriteToTextFile("./jssdk_config.asp",outConten,"utf-8")

timestamp=ToUnixTime(now)
nonceStr=GetRnd(10)
lUrl=GetLocationURL()
signature=Get_signature(JsapiTicket,nonceStr,timestamp,lUrl)
%>

jssdk_config.asp

<%
dim AppId,AppSecret,AccessToken,TokenTime,JsapiTicket,TicketTime,ExpiresIn
AppId = "预置AppId"
AppSecret = "预置AppSecret"
AccessToken = ""
TokenTime = 0
JsapiTicket = ""
TicketTime = 0
ExpiresIn = 7000
%>

sample.asp

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>

</body>
<script src="http://res.wx.qq.com/open/js/jweixin-1.2.0.js"></script>
<script>
/*
* 注意：
* 1. 所有的JS接口只能在公众号绑定的域名下调用，公众号开发者需要先登录微信公众平台进入“公众号设置”的“功能设置”里填写“JS接口安全域名”。
* 2. 如果发现在 Android 不能分享自定义内容，请到官网下载最新的包覆盖安装，Android 自定义分享接口需升级至 6.0.2.58 版本及以上。
* 3. 常见问题及完整 JS-SDK 文档地址：http://mp.weixin.qq.com/wiki/7/aaa137b55fb2e0456bf8dd9148dd613f.html
*
* 开发中遇到问题详见文档“附录5-常见错误及解决办法”解决，如仍未能解决可通过以下渠道反馈：
* 邮箱地址：weixin-open@qq.com
* 邮件主题：【微信JS-SDK反馈】具体问题
* 邮件内容说明：用简明的语言描述问题所在，并交代清楚遇到该问题的场景，可附上截屏图片，微信团队会尽快处理你的反馈。
*/
wx.config({
debug: true,
   appId: '<%=AppId%>',
   timestamp: <%=timestamp%>,
   nonceStr: '<%=nonceStr%>',
   signature: '<%=signature%>',
jsApiList: [
// 所有要调用的 API 都要加到这个列表中
]
});
wx.ready(function () {
// 在这里调用 API
});
</script>
</html>

sha1.asp

// MD5 SHA1 共用
function add(x, y)
{
return ((x&0x7FFFFFFF) + (y&0x7FFFFFFF)) ^ (x&0x80000000) ^ (y&0x80000000);
}

// MD5
function MD5hex(i)
{
var sHex = "0123456789abcdef"
h = "";
for(j = 0; j <= 3; j++)
{
h += sHex.charAt((i >> (j * 8 + 4)) & 0x0F) +
sHex.charAt((i >> (j * 8)) & 0x0F);
}
return h;
}

function R1(A, B, C, D, X, S, T)
{
q = add(add(A, (B & C) | (~B & D)), add(X, T));
return add((q << S) | ((q >> (32 - S)) & (Math.pow(2, S) - 1)), B);
}

function R2(A, B, C, D, X, S, T)
{
q = add(add(A, (B & D) | (C & ~D)), add(X, T));
return add((q << S) | ((q >> (32 - S)) & (Math.pow(2, S) - 1)), B);
}

function R3(A, B, C, D, X, S, T)
{
q = add(add(A, B ^ C ^ D), add(X, T));
return add((q << S) | ((q >> (32 - S)) & (Math.pow(2, S) - 1)), B);
}

function R4(A, B, C, D, X, S, T)
{
q = add(add(A, C ^ (B | ~D)), add(X, T));
return add((q << S) | ((q >> (32 - S)) & (Math.pow(2, S) - 1)), B);
}

function MD5(sInp) {
var sAscii = " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~";
wLen = (((sInp.length + 8) >> 6) + 1) << 4;
var X = new Array(wLen);

j = 4;
for (i = 0; (i * 4) < sInp.length; i++)
{
X[i] = 0;
for (j = 0; (j < 4) && ((j + i * 4) < sInp.length); j++)
{
X[i] += (sAscii.indexOf(sInp.charAt((i * 4) + j)) + 32) << (j * 8);
}
}

if (j == 4)
{
X[i++] = 0x80;
}
else
{
X[i - 1] += 0x80 << (j * 8);
}
for(; i < wLen; i++) { X[i] = 0; }
X[wLen - 2] = sInp.length * 8;

a = 0x67452301;
b = 0xefcdab89;
c = 0x98badcfe;
d = 0x10325476;

for (i = 0; i < wLen; i += 16) {
aO = a;
bO = b;
cO = c;
dO = d;

a = R1(a, b, c, d, X[i+ 0], 7 , 0xd76aa478);
d = R1(d, a, b, c, X[i+ 1], 12, 0xe8c7b756);
c = R1(c, d, a, b, X[i+ 2], 17, 0x242070db);
b = R1(b, c, d, a, X[i+ 3], 22, 0xc1bdceee);
a = R1(a, b, c, d, X[i+ 4], 7 , 0xf57c0faf);
d = R1(d, a, b, c, X[i+ 5], 12, 0x4787c62a);
c = R1(c, d, a, b, X[i+ 6], 17, 0xa8304613);
b = R1(b, c, d, a, X[i+ 7], 22, 0xfd469501);
a = R1(a, b, c, d, X[i+ 8], 7 , 0x698098d8);
d = R1(d, a, b, c, X[i+ 9], 12, 0x8b44f7af);
c = R1(c, d, a, b, X[i+10], 17, 0xffff5bb1);
b = R1(b, c, d, a, X[i+11], 22, 0x895cd7be);
a = R1(a, b, c, d, X[i+12], 7 , 0x6b901122);
d = R1(d, a, b, c, X[i+13], 12, 0xfd987193);
c = R1(c, d, a, b, X[i+14], 17, 0xa679438e);
b = R1(b, c, d, a, X[i+15], 22, 0x49b40821);

a = R2(a, b, c, d, X[i+ 1], 5 , 0xf61e2562);
d = R2(d, a, b, c, X[i+ 6], 9 , 0xc040b340);
c = R2(c, d, a, b, X[i+11], 14, 0x265e5a51);
b = R2(b, c, d, a, X[i+ 0], 20, 0xe9b6c7aa);
a = R2(a, b, c, d, X[i+ 5], 5 , 0xd62f105d);
d = R2(d, a, b, c, X[i+10], 9 , 0x2441453);
c = R2(c, d, a, b, X[i+15], 14, 0xd8a1e681);
b = R2(b, c, d, a, X[i+ 4], 20, 0xe7d3fbc8);
a = R2(a, b, c, d, X[i+ 9], 5 , 0x21e1cde6);
d = R2(d, a, b, c, X[i+14], 9 , 0xc33707d6);
c = R2(c, d, a, b, X[i+ 3], 14, 0xf4d50d87);
b = R2(b, c, d, a, X[i+ 8], 20, 0x455a14ed);
a = R2(a, b, c, d, X[i+13], 5 , 0xa9e3e905);
d = R2(d, a, b, c, X[i+ 2], 9 , 0xfcefa3f8);
c = R2(c, d, a, b, X[i+ 7], 14, 0x676f02d9);
b = R2(b, c, d, a, X[i+12], 20, 0x8d2a4c8a);

a = R3(a, b, c, d, X[i+ 5], 4 , 0xfffa3942);
d = R3(d, a, b, c, X[i+ 8], 11, 0x8771f681);
c = R3(c, d, a, b, X[i+11], 16, 0x6d9d6122);
b = R3(b, c, d, a, X[i+14], 23, 0xfde5380c);
a = R3(a, b, c, d, X[i+ 1], 4 , 0xa4beea44);
d = R3(d, a, b, c, X[i+ 4], 11, 0x4bdecfa9);
c = R3(c, d, a, b, X[i+ 7], 16, 0xf6bb4b60);
b = R3(b, c, d, a, X[i+10], 23, 0xbebfbc70);
a = R3(a, b, c, d, X[i+13], 4 , 0x289b7ec6);
d = R3(d, a, b, c, X[i+ 0], 11, 0xeaa127fa);
c = R3(c, d, a, b, X[i+ 3], 16, 0xd4ef3085);
b = R3(b, c, d, a, X[i+ 6], 23, 0x4881d05);
a = R3(a, b, c, d, X[i+ 9], 4 , 0xd9d4d039);
d = R3(d, a, b, c, X[i+12], 11, 0xe6db99e5);
c = R3(c, d, a, b, X[i+15], 16, 0x1fa27cf8);
b = R3(b, c, d, a, X[i+ 2], 23, 0xc4ac5665);

a = R4(a, b, c, d, X[i+ 0], 6 , 0xf4292244);
d = R4(d, a, b, c, X[i+ 7], 10, 0x432aff97);
c = R4(c, d, a, b, X[i+14], 15, 0xab9423a7);
b = R4(b, c, d, a, X[i+ 5], 21, 0xfc93a039);
a = R4(a, b, c, d, X[i+12], 6 , 0x655b59c3);
d = R4(d, a, b, c, X[i+ 3], 10, 0x8f0ccc92);
c = R4(c, d, a, b, X[i+10], 15, 0xffeff47d);
b = R4(b, c, d, a, X[i+ 1], 21, 0x85845dd1);
a = R4(a, b, c, d, X[i+ 8], 6 , 0x6fa87e4f);
d = R4(d, a, b, c, X[i+15], 10, 0xfe2ce6e0);
c = R4(c, d, a, b, X[i+ 6], 15, 0xa3014314);
b = R4(b, c, d, a, X[i+13], 21, 0x4e0811a1);
a = R4(a, b, c, d, X[i+ 4], 6 , 0xf7537e82);
d = R4(d, a, b, c, X[i+11], 10, 0xbd3af235);
c = R4(c, d, a, b, X[i+ 2], 15, 0x2ad7d2bb);
b = R4(b, c, d, a, X[i+ 9], 21, 0xeb86d391);

a = add(a, aO);
b = add(b, bO);
c = add(c, cO);
d = add(d, dO);
}

MD5Value=MD5hex(a) + MD5hex(b) + MD5hex(c) + MD5hex(d);
return MD5Value.toUpperCase();
}

// SHA1

function SHA1hex(num)
{
var sHEXChars="0123456789abcdef";
var str="";
for(var j=7;j>=0;j--)
str+=sHEXChars.charAt((num>>(j*4))&0x0F);
return str;
}

function AlignSHA1(sIn){
var nblk=((sIn.length+8)>>6)+1, blks=new Array(nblk*16);
for(var i=0;i<nblk*16;i++)blks[i]=0;
for(i=0;i<sIn.length;i++)
blks[i>>2]|=sIn.charCodeAt(i)<<(24-(i&3)*8);
blks[i>>2]|=0x80<<(24-(i&3)*8);
blks[nblk*16-1]=sIn.length*8;
return blks;
}

function rol(num,cnt){
return(num<<cnt)|(num>>>(32-cnt));
}

function ft(t,b,c,d){
if(t<20)return(b&c)|((~b)&d);
if(t<40)return b^c^d;
if(t<60)return(b&c)|(b&d)|(c&d);
return b^c^d;
}

function kt(t) {
return(t<20)?1518500249:(t<40)?1859775393:
(t<60)?-1894007588:-899497514;
}

</script>

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