DTcms.Web/api/payment/wxapipay/jsapipay.aspx.cs

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using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using DTcms.API.Payment.wxpay;
using DTcms.Common;

namespace DTcms.Web.api.payment.wxapipay
{
    public partial class jsapipay : System.Web.UI.Page
    {
        public static string wxJsApiParam { get; set; } //H5调起JS API参数
        public static string returnUrl { get; set; } //支付成功跳转的地址
        protected void Page_Load(object sender, EventArgs e)
        {
            string openid = DTRequest.GetQueryString("openid");
            string order_no = DTRequest.GetQueryString("order_no");
            decimal order_amount = 0; //订单金额
            string subject1 = string.Empty; //订单备注1
            string subject2 = string.Empty; //订单备注2

            //检查参数是否正确
            if (string.IsNullOrEmpty(openid) || string.IsNullOrEmpty(order_no))
            {
                Response.Redirect(new Web.UI.BasePage().linkurl("error", "?msg=" + Utils.UrlEncode("对不起，获取OPENID参数有误！")));
                return;
            }
            if (order_no.StartsWith("R")) //R开头为在线充值订单
            {
                Model.user_recharge model = new BLL.user_recharge().GetModel(order_no);
                if (model == null)
                {
                    Response.Redirect(new Web.UI.BasePage().linkurl("error", "?msg=" + Utils.UrlEncode("对不起，您充值的订单号不存在或已删除！")));
                    return;
                }
                order_amount = model.amount; //订单金额
                subject1 = "充值订单";
                subject2 = "用户名：" + model.user_name;
            }
            else //B开头为商品订单
            {
                Model.orders model = new BLL.orders().GetModel(order_no);
                if (model == null)
                {
                    Response.Redirect(new Web.UI.BasePage().linkurl("error", "?msg=" + Utils.UrlEncode("对不起，您支付的订单号不存在或已删除！")));
                    return;
                }
                order_amount = model.order_amount; //订单金额
                subject1 = "商品订单";
                if (model.user_id > 0)
                {
                    subject2 = "用户名：" + model.user_name;
                }
                else
                {
                    subject2 = "匿名用户";
                }
            }