C#微信支付（三）—— H5支付

接下来就是微信外支付了，先是H5支付把。相关链接: H5支付

public class H5Pay
    {
        public string GetPayUrl(UnifiedOrderModel unifiedOrderModel, string thip)
        {
            //Log.Info(this.GetType().ToString(), "H5 pay url is producing...");

            WxPayData data = new WxPayData();

            data.SetValue("body", unifiedOrderModel.body);
            data.SetValue("attach", unifiedOrderModel.attach);
            data.SetValue("out_trade_no", unifiedOrderModel.out_trade_no);
            data.SetValue("total_fee", unifiedOrderModel.total_fee);
            data.SetValue("time_start", unifiedOrderModel.time_start);
            data.SetValue("time_expire", unifiedOrderModel.time_expire);
            data.SetValue("goods_tag", unifiedOrderModel.goods_tag);
            //因H5支付要求商户在统一下单接口中上传用户真实ip地址“spbill_create_ip”
            data.SetValue("spbill_create_ip", thip);
            data.SetValue("trade_type", "MWEB");//交易类型

            WxPayData result = WxPayApi.UnifiedOrder(data);//调用统一下单接口

            if (!result.IsSet("mweb_url"))
            {
                throw new Exception("H5支付地址获取失败！");
            }

            string url = result.GetValue("mweb_url").ToString();//获得统一下单接口返回的链接

            //Log.Info(this.GetType().ToString(), "Get H5 pay url : " + url);
            return url;
        }

        public string GetIP(HttpRequest request)
        {
            if (request == null || request.ServerVariables == null)
            {
                return string.Empty;
            }

            string CustomerIP = string.Empty;

            //CDN加速后取到的IP 
            CustomerIP = request.Headers["Cdn-Src-Ip"];

            if (string.IsNullOrEmpty(CustomerIP))
            {
                CustomerIP = request.ServerVariables["HTTP_X_FORWARDED_FOR"];
            }

            if (string.IsNullOrEmpty(CustomerIP))
            {
                if (request.ServerVariables["HTTP_VIA"] != null)
                {
                    CustomerIP = request.ServerVariables["HTTP_X_FORWARDED_FOR"];

                    if (string.IsNullOrEmpty(CustomerIP))
                    {
                        CustomerIP = request.ServerVariables["REMOTE_ADDR"];
                    }
                }
                else
                {
                    CustomerIP = request.ServerVariables["REMOTE_ADDR"];
                }
            }

            if (string.IsNullOrEmpty(CustomerIP))
            {
                CustomerIP = request.UserHostAddress;
            }

            if (string.IsNullOrEmpty(CustomerIP))
            {
                CustomerIP = "0.0.0.0";
            }

            return CustomerIP;
        }
    }

测试环境的时候，各种渗透，跳转，几乎获取的都是127.0.0.1 这样肯定就报网络环境未能通过安全验证，请稍后再试的问题了，当时是用搜狐的获取公网IP方法，要是有其他的用其他的也行，顺手就好。

<script src="http://pv.sohu.com/cityjson?ie=utf-8" type="text/javascript"></script>
alert(returnCitySN['cip'] + returnCitySN['cname']);

前端代码

function h5Pay() {
            $.ajax({
                type: "post",
                url: "url",
                dataType: "json",
                data: {
                    "method": "GetH5PayUrl",
                    "body": $("#body").val(),
                    "attach": $("#attach").val(),
                    "out_trade_no": $("#out_trade_no").val(),
                    "total_fee": $("#total_fee").val(),
                    "goods_tag": $("#goods_tag").val(),
                    "ip": returnCitySN['cip']//测试环境后台获取不到真正的IP才可以使用，正式环境不允许
                },
                success: function (data) {
                    var item = eval(data); //转换成json对象访问           
                    alert(data.url);

                    if (data.url) {
                        window.location.href = data.url;
                    } else {
                        alert(data.error);
                    }
                    return;
                }
            });
        }

就遇到两个问题：
网络环境未能通过安全验证，请稍后再试这个要传外网真实IP就行，写死或者调用外网方法也行。
请在微信外打开订单，进行支付顾名思义了，要在微信外打开才行

C#微信支付（三）—— H5支付

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