tfyun
/
wxpay.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>微信支付</title>
    <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no">
</head>
<body>
</body>
<script>
    (function (){
        var url = new URL(window.location.href);
        if(url.searchParams.get("code")){
            //重定向到payUrl
            var map = JSON.parse(localStorage.getItem("searchData"));
            var str = "";
            for (var key in map){
                str += key+"="+encodeURIComponent(map[key])+"&";
            }
            window.location.href = "/webos/commercial?"+str+"code="+url.searchParams.get("code");
        }else if(url.searchParams.get("prepayId")){
            //执行支付
            const appId = url.searchParams.get("appId");
            const timeStamp = url.searchParams.get("timeStamp");
            const prepayId = url.searchParams.get("prepayId");
            const paySign = url.searchParams.get("paySign");
            const nonceStr = url.searchParams.get("nonceStr");
            function onBridgeReady() {
                WeixinJSBridge.invoke('getBrandWCPayRequest', {
                        "appId": appId,     //公众号ID，由商户传入
                        "timeStamp": timeStamp,     //时间戳，自1970年以来的秒数
                        "nonceStr": nonceStr,      //随机串
                        "package": "prepay_id="+prepayId,
                        "signType": "RSA",     //微信签名方式：
                        "paySign": paySign //微信签名
                    },
                    function(res) {
                        if (res.err_msg == "get_brand_wcpay_request:ok") {
                            alert("支付成功");
                        }
                    });
            }
            if (typeof WeixinJSBridge == "undefined") {
                if (document.addEventListener) {
                    document.addEventListener('WeixinJSBridgeReady', onBridgeReady, false);
                } else if (document.attachEvent) {
                    document.attachEvent('WeixinJSBridgeReady', onBridgeReady);
                    document.attachEvent('onWeixinJSBridgeReady', onBridgeReady);
                }
            } else {
                onBridgeReady();
            }
        }else{
            //获取code
            var fields = ["id"];
            var keys = url.searchParams.keys();
            var map = {};
            while (true){
                var keyData = keys.next();
                if(keyData.done){
                    break;
                }
                var key = keyData.value;
                if(!fields.includes(key)){
                    continue;
                }
                var value = url.searchParams.get(key);
                map[key] = decodeURIComponent(value);
            }
            localStorage.setItem("searchData",JSON.stringify(map));
            var ru = window.location.origin+window.location.pathname;
            var appid = url.searchParams.get("appid");
            var nu = "https://open.weixin.qq.com/connect/oauth2/authorize?appid="+appid+"&redirect_uri="+encodeURIComponent(ru)+"&response_type=code&scope=snsapi_base&state=1#wechat_redirect";
            window.location.href = nu;
        }
    })()
</script>
</html>