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  • mvc 微信支付接口

    Action:整理支付信息,参数,sign。

    注意CallbackUrl,这个是支付结果的回调页面。

    /// <summary>
            /// 确认提交
            /// </summary>
            /// <returns></returns>
            public ActionResult SubmitPay(string orderNo,string rid ,string payState = "0")
            {
                if (orderState == (int)EnumatorList.OrderStatus.WaitPay)
                {
                    //创建支付应答对象
                    RequestHandler packageReqHandler = new RequestHandler(null);
                    //设置package订单参数
                    packageReqHandler.SetParameter("appid", AppId);          //公众账号ID
                    packageReqHandler.SetParameter("body", "商户名称");
                    packageReqHandler.SetParameter("mch_id", MachId);          //商户号
                    packageReqHandler.SetParameter("nonce_str", nonceStr.ToLower());                    //随机字符串
                    packageReqHandler.SetParameter("notify_url", CallbackUrl);            //接收财付通通知的URL
                    packageReqHandler.SetParameter("openid", openid);                        //openid
                    packageReqHandler.SetParameter("out_trade_no", orderNo);        //商家订单号
                    packageReqHandler.SetParameter("spbill_create_ip", Request.UserHostAddress);   //用户的公网ip,不是商户服务器IP
                    packageReqHandler.SetParameter("total_fee", actualTotal.ToString());                    //商品金额,以分为单位(money * 100).ToString()
                    packageReqHandler.SetParameter("trade_type", "JSAPI");                        //交易类型
     
                    //获取package包
                    string sign = packageReqHandler.CreateMd5Sign("key", PaySignkey);
                    packageReqHandler.SetParameter("sign", sign);                        //交易类型
                    string data = packageReqHandler.ParseXML();
                    var result = TenPayV3.Unifiedorder(data);
                    var res = XDocument.Parse(result);
                    string prepayId = "";
                    try
                    {
                        if (res.Element("xml").Element("return_code").Value == "SUCCESS")
                            prepayId = res.Element("xml").Element("prepay_id").Value;
                    }
                    catch (Exception ex)
                    {
                        return View();
                    }
                    package = string.Format("prepay_id={0}", prepayId);
                    timeStamp = TenpayUtil.getTimestamp();
     
                    //设置支付参数
                    RequestHandler paySignReqHandler = new RequestHandler(null);
                    paySignReqHandler.SetParameter("appId", AppId);
                    paySignReqHandler.SetParameter("timeStamp", timeStamp);
                    paySignReqHandler.SetParameter("nonceStr", nonceStr);
                    paySignReqHandler.SetParameter("package", package);
                    paySignReqHandler.SetParameter("signType", "MD5");
                    paySign = paySignReqHandler.CreateMd5Sign("key", PaySignkey);
     
                }
                ViewData["myReward"] = myReward;
                ViewData["rewardList"] = rewardList;
                ViewData["appId"] = AppId;
                ViewData["timeStamp"] = timeStamp;
                ViewData["nonceStr"] = nonceStr;
                ViewData["package"] = package;
                ViewData["paySign"] = paySign;
     
                return View();
            }

    cshtml:调用微信支付js

    $(function () {
            //公众号支付
            jQuery('a#getBrandWCPayRequest').click(function (e) {
                WeixinJSBridge.invoke('getBrandWCPayRequest', {
                    "appId": "@ViewData["appId"]", //公众号名称,由商户传入
                    "timeStamp": "@ViewData["timeStamp"]", //时间戳
                    "nonceStr": "@ViewData["nonceStr"]", //随机串
                    "package": "@Html.Raw(ViewData["package"].ToString())",//扩展包
                    "signType": "MD5", //微信签名方式:1.sha1
                    "paySign": "@ViewData["paySign"]" //微信签名
                }, function (res) {
                    if (res.err_msg == "get_brand_wcpay_request:ok") {
                        location.href = "../UserReward_WX/Index?orderId="+orderId;
                        //alert("微信支付成功!");
                    } else if (res.err_msg == "get_brand_wcpay_request:cancel") {
                        alert("用户取消支付!");
                    } else {
                        alert(res.err_msg);
                        alert("支付失败!");
                    }
                    // 使用以上方式判断前端返回,微信团队郑重提示:res.err_msg将在用户支付成功后返回ok,但并不保证它绝对可靠。
                    //因此微信团队建议,当收到ok返回时,向商户后台询问是否收到交易成功的通知,若收到通知,前端展示交易成功的界面;若此时未收到通知,商户后台主动调用查询订单接口,查询订单的当前状态,并反馈给前端展示相应的界面。
                });
     
            });
     
        });

    微信支付的回调页面(CallbackUrl)

    /// <summary>
            /// 支付回调
            /// </summary>
            /// <returns></returns>
            public ActionResult GetPayResult()
            {
                try
                {
                    //判断return_code和result_code 是不是 Success
                }
                catch (Exception ex)
                {
                    //记录日志
                    
                }
                return null ;
     
            }
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  • 原文地址:https://www.cnblogs.com/hanjun0612/p/12200900.html
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