昨天帮一个客户写的，他的程序是老的asp，想实现微信在手机上下单付款，让帮忙给写一份asp微信支付的接口代码，昨天晚上闲着没事，搞了一个晚上才搞好，其实asp支付并不需要安装证书，其实asp支付也很好用，微信对asp的支持还是有的，回调入库等都很完善，不说了，上代码：
<%
'作者微信：18611436777
SET Wx = New WxAPI
If Session("openid")="" Then
Code = Trim(Request.QueryString("code"))
If Code = "" Then
wx.get_redirect_uri = "http://"&request.ServerVariables("HTTP_HOST")&request.ServerVariables("URL")&"?"&request.QueryString
Response.Redirect(Wx.GetAuthorization_Code)
Else
Call Wx.GetAccess_Token(Code)
End If
End If
Set Wx=Nothing
set wxpay = New WxPayApi
Dim body,out_trade_no,attach,total_fee,Arr,sUrl
body = "微信支付测试(18611436777)"
out_trade_no = wxpay.GetDateTime
attach = "购买商品"'商户自定义数据包.
total_fee = "0.01"
wxpay.setParameter "openid",Session("openid")'"oiQ6Bs4Vo0OWAAiHxVSbry7z6yzE"
wxpay.setParameter "body",body
wxpay.setParameter "out_trade_no",out_trade_no
wxpay.setParameter "attach",attach
wxpay.setParameter "total_fee",(total_fee)*100
wxpay.setParameter "trade_type","JSAPI"
wxpay.setParameter "spbill_create_ip","127.0.0.1"
wxpay.setParameter "notify_url",NOTIFY_URL
wxpay.setParameter "device_info","WEB"
jsApiParameters = wxpay.get_Parameters
EditAddressParameters = wxpay.GetEditAddressParameters
'xml= wxpay.Get_Return_Xml()
'wxpay.Die jsApiParameters
set wxpay = Nothing
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>微信安全支付</title>
<script type="text/javascript">
//调用微信JS api 支付
function jsApiCall()
{
WeixinJSBridge.invoke(
'getBrandWCPayRequest',
<%= jsApiParameters %>,
function(res){
WeixinJSBridge.log(res.err_msg);
//alert(res.err_code+res.err_desc+res.err_msg);
if(res.err_msg.indexOf("ok")>0){
alert("付款成功！");
window.location.href='./';
}else if(res.err_msg.indexOf("cancel")>0){
alert("取消付款！");
window.location.href='./';
}else{
alert(res.err_code+res.err_desc+res.err_msg);
}
}
);
}
function callpay()
{
if (typeof WeixinJSBridge == "undefined"){
if( document.addEventListener ){
document.addEventListener('WeixinJSBridgeReady', jsApiCall, false);
}else if (document.attachEvent){
document.attachEvent('WeixinJSBridgeReady', jsApiCall);
document.attachEvent('onWeixinJSBridgeReady', jsApiCall);
}
}else{
jsApiCall();
}
}
</script>
<script type="text/javascript">
//获取共享地址
function editAddress()
{
WeixinJSBridge.invoke(
'editAddress',
<%= EditAddressParameters %>,
function(res){
var value1 = res.proviceFirstStageName;
var value2 = res.addressCitySecondStageName;
var value3 = res.addressCountiesThirdStageName;
var value4 = res.addressDetailInfo;
var tel = res.telNumber;
//alert(value1 + value2 + value3 + value4 + ":" + tel);
var addrval = value1 + value2 + value3 + value4 + ":" + tel;
var addr = document.querySelector('#addr');
if(addrval !='NaN:undefined'){
addr.innerHTML = "收货地址：<br/>" + value1 + value2 + value3 + value4 + ":" + tel;
}
}
);
}
</script>
</head>
<body>
<br/>
<font color="#9ACD32"><b>订单号：<span style="color:#f00;font-size:20px"><%= out_trade_no %></span></b></font><br/>
<font color="#9ACD32"><b>商品名称：<span style="color:#f00;font-size:20px"><%= body %></span></b></font><br/>
<font color="#9ACD32"><b>付款金额：<span style="color:#f00;font-size:50px"><%= total_fee %></span>元</b></font><br/>
<div align="center">
<button style="45%; height:50px; border-radius: 15px;background-color:#FE6714; border:0px #FE6714 solid; cursor: pointer; color:white; font-size:16px;" type="button" onClick="editAddress()" >使用微信地址</button>
<button style="45%; height:50px; border-radius: 15px;background-color:#FE6714; border:0px #FE6714 solid; cursor: pointer; color:white; font-size:16px;" type="button" onClick="callpay()" >立即支付</button>
</div>
<div id="addr" style="color:#9ACD32;font-size:20px; margin-top:10px"></div>
</body>