订单查询

用处同V3订单查询，直接上代码：

1         /// 
 2         /// V2订单查询 3         /// 
 4         public void QueryOrder() 5         { 6             string orderNo = string.Empty; 7   8             WxPayModel model = WxPayModel.Create(orderNo); 9             OrderQueryMessage message = WeiXinHelper.OrderQuery(model.CreateOrderQueryPackage());10         }

生成订单查询json方法：

1         /// 
 2         /// 生成订单查询Json  （已测试通过） 3         /// 
 4         /// 
      5         public string CreateOrderQueryPackage() 6         { 7             Dictionary
     
       nativeObj = new Dictionary
      
       (); 8             if (CheckOrderQueryParameters() == false) 9             {10                 throw new SDKRuntimeException("生成package参数缺失！");11             }12             nativeObj.Add("appid", AppId);13             nativeObj.Add("package", GetCftPackage());14             nativeObj.Add("timestamp", ((DateTime.Now.ToUniversalTime().Ticks - 621355968000000000) / 10000000).ToString());15             nativeObj.Add("app_signature", GetBizSign(nativeObj));16             nativeObj.Add("sign_method", SignType);17 18             var entries = nativeObj.Select(d => string.Format("\"{0}\": \"{1}\"", d.Key, d.Value));19 20             return "{
    " + string.Join(",", entries.ToArray()) + "}";21         }
      
     

退款

退款操作只是向财付通发出退款通知，成功与否需要查询：

1         /// 
 2         /// V2退款 3         /// 
 4         /// 
     
      提交退款结果
      5         public bool OrderRefund() 6         { 7             string orderNo = string.Empty; 8             string transactionId = string.Empty; 9             string totalFee = string.Empty;10             string refundNo = string.Empty;11             string refundFee = string.Empty;12 13             /*14              TenpayHelper.Refund()方法中  这两段代码是在  管理员账号的密码默认为111111时使用 ，请根据情况修改15             reqHandler.setParameter("op_user_id", partnerId); //todo:配置（op_user_id,op_user_passwd)16             reqHandler.setParameter("op_user_passwd", MD5Util.GetMD5("111111", "GBK"));17              */18 19             return TenpayHelper.Refund(WeiXinConst.PartnerId, WeiXinConst.PartnerKey,20                orderNo, transactionId, totalFee, refundNo, refundFee,21                WeiXinConst.CertPath, WeiXinConst.CertPwd);22         }

TenpayHelper.Refund()方法是对V2官方demo再次封装的，相关方法做了一点修改：

1     /// 
 2     /// V2 接口 退款帮助类 3     /// 
 4     public class TenpayHelper 5     { 6         /// 
 7         /// 申请退款 8         /// 
 9         /// 商户号10         /// 财付通密钥11         /// 商户订单号12         /// 微信订单号13         /// 总金额（单位：分）14         /// 退款单号15         /// 退款金额（单位：分）16         /// MVC页面请求上下文对象17         /// 
     18         public static bool Refund(string partnerId, string partnerKey, string orderNo,19             string transanctionId, string totalFee, string refundNo, string refundFee,20             string certPath, string certPwd)21         {22             //商户号23             string partner = partnerId;24             //创建请求对象25             RequestHandler reqHandler = new RequestHandler();26             //通信对象27             TenpayHttpClient httpClient = new TenpayHttpClient();28             //应答对象29             ClientResponseHandler resHandler = new ClientResponseHandler();30 31             //-----------------------------32             //设置请求参数33             //-----------------------------34             reqHandler.init();35             reqHandler.setKey(partnerKey); //财付通密钥36 37             reqHandler.setGateUrl("https://mch.tenpay.com/refundapi/gateway/refund.xml");38 39             reqHandler.setParameter("partner", partner);40             //out_trade_no和transaction_id至少一个必填，同时存在时transaction_id优先41             if (string.IsNullOrEmpty(transanctionId))42             {43                 if (string.IsNullOrEmpty(orderNo))44                     throw new Exception("订单号不能为空！");45 46                 reqHandler.setParameter("out_trade_no", orderNo);47             }48             else49             {50                 reqHandler.setParameter("transaction_id", transanctionId);51             }52 53             reqHandler.setParameter("out_refund_no", refundNo); //退款单号54             reqHandler.setParameter("total_fee", totalFee); //总金额55             reqHandler.setParameter("refund_fee", refundFee); //退款金额56             reqHandler.setParameter("op_user_id", partnerId); //todo:配置（op_user_id,op_user_passwd)57             reqHandler.setParameter("op_user_passwd", MD5Util.GetMD5("111111", "GBK"));58             reqHandler.setParameter("service_version", "1.1");59 60             string requestUrl = reqHandler.getRequestURL();61             httpClient.setCertInfo(certPath, certPwd);62             //设置请求内容63             httpClient.setReqContent(requestUrl);64             //设置超时65             httpClient.setTimeOut(10);66 67             string rescontent = "";68             //后台调用69             if (httpClient.call())70             {71                 //获取结果72                 rescontent = httpClient.getResContent();73 74                 resHandler.setKey(partnerKey);75                 //设置结果参数76                 resHandler.setContent(rescontent);77                 //判断签名及结果78                 if (resHandler.isTenpaySign() && resHandler.getParameter("retcode") == "0")79                 {80                     return true;81                 }82                 else83                 {84                     return false;85                 }86             }87             else88             {89                 return false;90             }91         }92     }

结束语：

　　C#微信开发之旅是我在博客园首篇随笔系列，写的虎头蛇尾，就先结束了。。。。

　　以后会继续坚持写博客，分享工作中总结的微小经验用以记录，也希望能帮到大家！