?? ? ?? ???? ?? ???? ?? WeChat? ???? ??? ?? ??? ??? ?????. WeChat ?????? ? ???? ???? WeChat ??? ???? ????. ?? ?? ?? ?? ?? ??:

??, ?? ??? ??? ??? ????? ?? ?? ? WeChat ?? ??? ????? ??? ???. ??? ???? ?? ??? ?????. ??? ? WeChat? ?? ?? ??? ???? ????? ???? ??? ?? ??? ??? ???? ??????. ??? ???? ????? ->?? ??->API ????? ??? ? ??

?? ?????.

?? ???? ??

? ??? ???? ?? ?? ??? ???? ????? ?????.

??? ??? ? WeChat ?? ???? ?? ?? ??:

1. ??? ??? ?? ?? ?????? ???? ??? ?????. [?? ?? API]; ?? ??? ???? ?? WeChat OAuth2.0 ? ??? ??? ???? ???. ???? WeChat OpenId ??? ???? ??? ???? ????.

string timeStamp = TenPayUtil.GetTimestamp();
                string nonceStr = TenPayUtil.GetNoncestr();
                string paySign = string.Empty;

                //創(chuàng)建支付應(yīng)答對(duì)象
                var packageReqHandler = new RequestHandler(null);

                string spbill_create_ip = Request.UserHostAddress;

                //初始化
                //packageReqHandler.Init();
                //packageReqHandler.SetKey(TenPayInfo.Key);
                //設(shè)置package訂單參數(shù)
                packageReqHandler.SetParameter("appid", appID); //公眾賬號(hào)ID
                packageReqHandler.SetParameter("body", StrUtil.GetCutString(productName, 100)); //不能超過(guò)127個(gè)字符
                packageReqHandler.SetParameter("mch_id", mchid); //商戶號(hào)
                packageReqHandler.SetParameter("nonce_str", nonceStr.ToLower()); //隨機(jī)字符串
                packageReqHandler.SetParameter("notify_url", notifyUrl); //接收財(cái)付通通知的URL
                packageReqHandler.SetParameter("openid", openId); //openid
                packageReqHandler.SetParameter("out_trade_no", sp_billno); //商家訂單號(hào)
                // packageReqHandler.SetParameter("attach", "");          //附加數(shù)據(jù)  未來(lái)可用于區(qū)分不同微信支付業(yè)務(wù)
                packageReqHandler.SetParameter("spbill_create_ip", spbill_create_ip); //用戶的公網(wǎng)ip，不是商戶服務(wù)器IP
                packageReqHandler.SetParameter("total_fee", (onlinePayMoney * 100).ToString("0")); //商品金額,以分為單位(money * 100).ToString()
                packageReqHandler.SetParameter("trade_type", "JSAPI"); //交易類型

                //獲取package包
                string sign = packageReqHandler.CreateMd5Sign("key", TenPayInfo.Key);
                packageReqHandler.SetParameter("sign", sign); //交易類型
                string data = packageReqHandler.ParseXML();
                LoggerHelper.Log(data);
                
                //調(diào)用統(tǒng)一下單接口請(qǐng)求訂單
                var result = TenPayV3Service.Unifiedorder(data);
                LoggerHelper.Log(result);

                var res = XDocument.Parse(result);

                string prepayId = string.Empty;
                if (res.Element("xml").Element("return_code").Value == "SUCCESS")
                {
                    prepayId = res.Element("xml").Element("prepay_id").Value;
                }

                string package = string.Format("prepay_id={0}", prepayId);
                timeStamp = TenPayUtil.GetTimestamp();

                //設(shè)置支付參數(shù)
                var 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", TenPayInfo.Key);

                //將信息傳遞給支付頁(yè)面
                ViewBag.appId = appID;
                ViewBag.timeStamp = timeStamp;
                ViewBag.nonceStr = nonceStr;
                ViewBag.package = package;
                ViewBag.paySign = paySign;

??? ??? js ?? ?????.

<script type="text/javascript">        // 當(dāng)微信內(nèi)置瀏覽器完成內(nèi)部初始化后會(huì)觸發(fā)WeixinJSBridgeReady事件。
        document.addEventListener(&#39;WeixinJSBridgeReady&#39;, function onBridgeReady() {
            $(function () {                //公眾號(hào)支付
                jQuery(&#39;#getBrandWCPayRequest&#39;).click(function (e) {
                    WeixinJSBridge.invoke(&#39;getBrandWCPayRequest&#39;, {                        "appId": "@ViewBag.appId", //公眾號(hào)名稱
                        "timeStamp": "@ViewBag.timeStamp", //時(shí)間戳
                        "nonceStr": "@ViewBag.nonceStr", //隨機(jī)串
                        "package": "@Html.Raw(ViewBag.package.ToString())",//擴(kuò)展包
                        "signType": "MD5", //微信簽名方式
                        "paySign": "@ViewBag.paySign" //微信簽名                    }, function (res) {                        if (res.err_msg == "get_brand_wcpay_request:ok") {                            //alert("微信支付成功!");
                            window.location.href = "@WxPaySettingConfig.WmallURL/Wmall/TradePay/Success/@ViewBag.ShopId/?orderNo=@orderNoMark";
                        }                        else if (res.err_msg == "get_brand_wcpay_request:cancel") {                            //alert("用戶取消支付!");                        }                        else {
                            window.location.href = "/wxpay/jsapi/error/?isPayFail=1&csid=@ViewBag.ShopId&orderNo=@orderNoMark&biztype=1";    
                        }                        // 使用以上方式判斷前端返回,微信團(tuán)隊(duì)鄭重提示：res.err_msg將在用戶支付成功后返回ok，但并不保證它絕對(duì)可靠。                        //因此微信團(tuán)隊(duì)建議，當(dāng)收到ok返回時(shí)，向商戶后臺(tái)詢問(wèn)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；若此時(shí)未收到通知，商戶后臺(tái)主動(dòng)調(diào)用查詢訂單接口，查詢訂單的當(dāng)前狀態(tài)，并反饋給前端展示相應(yīng)的界面。                    });
                });
            });            //WeixinJSBridge.log(&#39;yo~ ready.&#39;);
        }, false);    </script>

2. ??? ???? ?? ??, api? ????. ?? api? ?????. [?? ?? ?? API]

[HttpPost]
        public void NoticeUrl()
        {
            string xmlString = HttpClientHelper.GetPostString(Request);  5 
            //此處應(yīng)記錄日志
            LoggerHelper.Log(string.Format("【微支付】異步通知參數(shù):{0}", xmlString));  8 
            var returnMsg = new ReturnMessage() { Return_Code = "SUCCESS", Return_Msg = string.Empty };
            //通知消息實(shí)體
            NotifyMessage message = null;
            //訂單處理相關(guān)的方法內(nèi)全局變量
            bool isNeedDeal = false; //標(biāo)識(shí)訂單是否需要處理
            string orderNo = string.Empty; //訂單編號(hào) (需要根據(jù)商家數(shù)據(jù)包字段判斷所屬訂單)
            CorpSalesOrder saleOrder = null;
            try
            {
                message = HttpClientHelper.XmlDeserialize<NotifyMessage>(xmlString);
 
                //訂單號(hào) 獲得
                orderNo = message.Out_Trade_No;
                if (string.IsNullOrEmpty(orderNo))
                {
                    throw new InvalidOperationException("未找到該訂單信息.");
                } 45                 var doc = new XmlDocument();
                doc.LoadXml(xmlString);
                var dic = new Dictionary<string, string>();
                string sign = string.Empty;
                foreach (XmlNode node in doc.FirstChild.ChildNodes)
                {
                    if (node.Name.ToLower() != "sign")
                        dic.Add(node.Name, node.InnerText);
                    else
                        sign = node.InnerText;
                }
                UnifiedWxPayModel model = UnifiedWxPayModel.CreateUnifiedModel(xddAppId, xddMchid, xddWxkey);
                if (model.ValidateMD5Signature(dic, sign))
                {
                    //處理通知 業(yè)務(wù)邏輯：
                    if (message.Return_Code == "SUCCESS")
                    {
                        if (message.Result_Code == "SUCCESS")
                        {
　　　　　　　　　　　　　　　　　　　//此處處理支付成功后的業(yè)務(wù)邏輯
                        }
                        else
                        {
                            throw new InvalidOperationException(string.Format("{0}:{1}", message.Err_Code, message.Err_Code_Des));
                        }
                    }
                    else
                    {
                        throw new InvalidOperationException(message.Return_Msg);
                    }
                }
            }
            catch (InvalidOperationException e)
            {
                //此處記錄異常日志
                returnMsg.Return_Code = "FAIL";
                returnMsg.Return_Msg = e.Message;
                LoggerHelper.Log("【微信支付異步通知】出錯(cuò)，訂單編號(hào)：" + orderNo + "，錯(cuò)誤原因:" + e.Message);
            }
            catch (Exception e)
            {
                //此處記錄異常日志
                returnMsg.Return_Code = "FAIL";
                returnMsg.Return_Msg = e.Message;
                LoggerHelper.Log("【微信支付異步通知】出錯(cuò)，訂單編號(hào)：" + orderNo + "，錯(cuò)誤原因:" + (e.InnerException == null ? e.Message : e.InnerException.ToString()));
            }
            Response.Write(returnMsg.ToXmlString());
            Response.End();
        }

WeChat ?? ?? ??? ?? ? ?? WeChat ?? ?? ??? ??? PHP ??? ????? ?????!