微信支付，wxpay, jsapi,微信js-sdk 支付koa和express
var WxPay = require("wxpay-jsapi");
var opt = {
appid: "appid",
mch_id: "mch_id",
key: "key",
notify_url: "notify_url"
};
var wxpay = new WxPay(opt);
var attach = "这里是需要传送得数据";
var body = "这里是描述";
var openid = "openid";
var bookingNo = "20150806125346";//订单号长度有限制具体看微信API文档
var total_fee = 10;//0.1元
var ip = '127.0.0.1';
wxpay.order(attach, body, openid, bookingNo, total_fee, ip).then(function(data){
res.render('wxpay', {args: data});
});
<script type="text/javascript">
var onBridgeReady = function() {
WeixinJSBridge.invoke('getBrandWCPayRequest', {
"appId": "<%= args.appId %>",
"timeStamp": "<%= args.timeStamp %>",
"nonceStr": "<%= args.nonceStr %>",
"package": "prepay_id=<%= args.package %>",
"signType": "MD5",
"paySign": "<%= args.paySign %>",
},
function(res) {
if (res.err_msg == "get_brand_wcpay_request:ok") {
alert(res.err_msg); //成功页面
} else if (res.err_msg == "get_brand_wcpay_request:cancel") {
alert(res.err_msg); //成功页面
} else if (res.err_msg == "get_brand_wcpay_request:fail") {
alert(res.err_msg); //成功页面
} else {
}
});
};
if (document.addEventListener) {
document.addEventListener("WeixinJSBridgeReady", onBridgeReady, true);
} else {
document.attachEvent("onWeixinJSBridgeReady", onBridgeReady);
}
// $(function(){
// addCharge();
// });
</script>