???? WeChat Pay ?? ?? ??? ?? ????????. WeChat Pay ?? ?? ??? ?? ?? ??? ?????? ?? ??? ???????.

??, WeChat? ??? ??? ?? ??? ?????. ??? ?? ??? ???? ???? ???, .net ??? ????? ???? ?????.

1. WeChat QR ??? ???? ??????

2. WeChat PC ??

? ?? ??? ????? ?? ??? ??????. ??? WeChat ?? ?? ??? ?? ??? ?????.

1. ???? ?????? ????? ?????.

WeChat ???? ???? ????? ?? ???? ???? ?????. api ?? ???? ????? ???? ???? ?? ??? ?? ?? ?? ???? ?? ??? ? ? ????. C# ?? ?? ??? ?? ?? ????. ???? apiclient_cert.p12? ????? 1. ???? ?????. 2. ? ? ?????. .NET ??? 2.0?? ?? ???. ???? ? ? ??? ??? ?? ?? ??? ??????. ??? ?? ???? ???????.

????? ? ??? ??? ??? ????? ?????. ???? ? ??? apiclient_cert.p12? ?? ? ? ???? ??? ? ????? ????? ???? ?????. ? ????? ??? ID?? ?? ??? ????? ????? ????? ???. . ??? ??? ???? ?? ????? ?????.

??? ???? ????:

2. ?? ??

???? ??? ???????

?? ??? ?? ??? ? ????. WxPayConfig? ????? ??? ?????.

?　　　??public?const?string?APPID?=?"wxf6dd794bcexxxx";????????public?const?string?MCHID?=?"xxxx";????????public?const?string?KEY?=?"xxxxx849ba56abbe56e05xxxxx";????????public?const?string?APPSECRET?=?"---";????????//=======【證書路徑設(shè)置】=====================================?
????????/*?證書路徑,注意應(yīng)該填寫絕對(duì)路徑（僅退款、撤銷訂單時(shí)需要）????????*/
????????public?const?string?SSLCERT_PATH?=?"/WxPayAPI/cert/apiclient_cert.p12";????????public?const?string?SSLCERT_PASSWORD?=?"131xxxx";

?? SSLCERT_PASSWORD? ??? ID? MCHID???. SSLCERT_PASSWORD? ??? ?? ??? ???? ????? ?????? ???? ?????.

???? ??? ?????. controller? ???. WeChat ?? ??, ??? ?? ??, ?? ? ?? ??? ?????. ??? ?? ??? WeChat ?? ?? ? ??? ?????. ?? ????

??public?ActionResult?DoRefund()
????????{????????????string?result?=?Refund.Run("","131667780120trade_no",?"1",?"1");????????????return?Content(result);
????????}

?? ???? ?? ??:

?/***
????????*?申請(qǐng)退款完整業(yè)務(wù)流程邏輯
????????*?@param?transaction_id?微信訂單號(hào)（優(yōu)先使用）
????????*?@param?out_trade_no?商戶訂單號(hào)
????????*?@param?total_fee?訂單總金額
????????*?@param?refund_fee?退款金額
????????*?@return?退款結(jié)果（xml格式）????????*/
????????public?static?string?Run(string?transaction_id,?string?out_trade_no,?string?total_fee,?string?refund_fee)
????????{
????????????Logger.Info("Refund?is?processing...");
????????????WxPayData?data?=?new?WxPayData();????????????if?(!string.IsNullOrEmpty(transaction_id))//微信訂單號(hào)存在的條件下，則已微信訂單號(hào)為準(zhǔn)????????????{
????????????????data.SetValue("transaction_id",?transaction_id);
????????????}????????????else//微信訂單號(hào)不存在，才根據(jù)商戶訂單號(hào)去退款????????????{
????????????????data.SetValue("out_trade_no",?out_trade_no);
????????????}
????????????data.SetValue("total_fee",?int.Parse(total_fee));//訂單總金額
????????????data.SetValue("refund_fee",?int.Parse(refund_fee));//退款金額
????????????data.SetValue("out_refund_no",?out_trade_no);//隨機(jī)生成商戶退款單號(hào)
????????????data.SetValue("op_user_id",?WxPayConfig.MCHID);//操作員，默認(rèn)為商戶號(hào)
????????????WxPayData?result?=?WxPayApi.Refund(data);//提交退款申請(qǐng)給API，接收返回?cái)?shù)據(jù)
????????????Logger.Info("Refund?process?complete,?result?:?"?+?result.ToXml());????????????return?result.ToPrintStr();
????????}

??: ??

?/**
????????*?
????????*?申請(qǐng)退款
????????*?@param?WxPayData?inputObj?提交給申請(qǐng)退款A(yù)PI的參數(shù)
????????*?@param?int?timeOut?超時(shí)時(shí)間
????????*?@throws?WxPayException
????????*?@return?成功時(shí)返回接口調(diào)用結(jié)果，其他拋異常????????*/
????????public?static?WxPayData?Refund(WxPayData?inputObj,?int?timeOut?=?6)
????????{????????????string?url?=?"https://api.mch.weixin.qq.com/secapi/pay/refund";????????????//檢測(cè)必填參數(shù)
????????????if?(!inputObj.IsSet("out_trade_no")?&&?!inputObj.IsSet("transaction_id"))
????????????{????????????????throw?new?WxPayException("退款申請(qǐng)接口中，out_trade_no、transaction_id至少填一個(gè)！");
????????????}????????????else?if?(!inputObj.IsSet("out_refund_no"))
????????????{????????????????throw?new?WxPayException("退款申請(qǐng)接口中，缺少必填參數(shù)out_refund_no！");
????????????}????????????else?if?(!inputObj.IsSet("total_fee"))
????????????{????????????????throw?new?WxPayException("退款申請(qǐng)接口中，缺少必填參數(shù)total_fee！");
????????????}????????????else?if?(!inputObj.IsSet("refund_fee"))
????????????{????????????????throw?new?WxPayException("退款申請(qǐng)接口中，缺少必填參數(shù)refund_fee！");
????????????}????????????else?if?(!inputObj.IsSet("op_user_id"))
????????????{????????????????throw?new?WxPayException("退款申請(qǐng)接口中，缺少必填參數(shù)op_user_id！");
????????????}
????????????inputObj.SetValue("appid",?WxPayConfig.APPID);//公眾賬號(hào)ID
????????????inputObj.SetValue("mch_id",?WxPayConfig.MCHID);//商戶號(hào)
????????????inputObj.SetValue("nonce_str",?Guid.NewGuid().ToString().Replace("-",?""));//隨機(jī)字符串
????????????inputObj.SetValue("sign",?inputObj.MakeSign());//簽名
????????????
????????????string?xml?=?inputObj.ToXml();????????????var?start?=?DateTime.Now;
????????????Log.Debug("WxPayApi",?"Refund?request?:?"?+?xml);????????????string?response?=?HttpService.Post(xml,?url,?true,?timeOut);//調(diào)用HTTP通信接口提交數(shù)據(jù)到API
????????????Log.Debug("WxPayApi",?"Refund?response?:?"?+?response);????????????var?end?=?DateTime.Now;????????????int?timeCost?=?(int)((end?-?start).TotalMilliseconds);//獲得接口耗時(shí)????????????//將xml格式的結(jié)果轉(zhuǎn)換為對(duì)象以返回
????????????WxPayData?result?=?new?WxPayData();
????????????result.FromXml(response);
????????????ReportCostTime(url,?timeCost,?result);//測(cè)速上報(bào)
????????????return?result;
????????}

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

?? WeChat? ?? ?? ??? ????.

??: ? ???? ????? ??? ?????. ??? ??? ???? ?????. WeChat? ??? 1? ??? ??? ?? ??? ??? ? ??? ????.

? ??? ??? ?? ? ??? ?????? ?????. ? ???? ??? ??? PHP ??? ????? ?? ?? ??? ?????!

?? ??:

ss3? ????? ?? ??

jQuery, Angular, node

H5 ??? ?? ????? video.js? Promise? ?? ??? ??

? ??? WeChat Pay ?? ?? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!