Exemplo n.º 1
0
        public IHttpActionResult Pay([FromUri] PayParamModel paramModel)
        {
            var model = new PayModel();

            try
            {
                lock (PayLock)
                {
                    var baseSetting = _baseSettingService.GetLast();
                    if (baseSetting == null)
                    {
                        throw new MyProException("无效的基础设置");
                    }

                    var paySetting = _PaySettingService.GetLast();
                    if (paySetting == null)
                    {
                        throw new MyProException("无效的支付设置");
                    }

                    if (string.IsNullOrEmpty(paramModel.OpenId))
                    {
                        throw new MyProException("openId不能为空");
                    }
                    var userInfo = _userInfoService.GetByOpenId(paramModel.OpenId);
                    if (userInfo == null)
                    {
                        throw new MyProException("openId 无效");
                    }
                    decimal totalFee;
                    if (!decimal.TryParse(paramModel.Amount, out totalFee))
                    {
                        throw new MyProException("支付金额有误");
                    }
                    var logStr = new StringBuilder();
                    var body   = _payHelper.GetUtf8Str(paySetting.ShortName + "-美发/美容/美甲店");
                    var random = new Random();
                    Dictionary <string, string> resultDic = null;
                    var serialNumber = DateTime.Now.ToString("yyyyMMddHHmmssfff") + random.Next(999);

                    var dic = new Dictionary <string, string>
                    {
                        { "appid", baseSetting.AppId },
                        { "mch_id", paySetting.MchId },
                        { "nonce_str", _payHelper.GetRandomString(20) },
                        { "body", body },
                        { "out_trade_no", serialNumber },
                        { "total_fee", paramModel.Amount },
                        { "spbill_create_ip", paySetting.IpAddress },
                        { "notify_url", paySetting.PayResulturl },
                        { "trade_type", "JSAPI" },
                        { "openid", paramModel.OpenId }
                    };
                    dic.Add("sign", _payHelper.GetSignString(dic, paySetting.PayKey));
                    var strB = new StringBuilder();
                    strB.Append("<xml>");
                    foreach (var d in dic)
                    {
                        strB.AppendFormat("<{0}>{1}</{0}>", d.Key, d.Value);
                    }
                    strB.Append("</xml>");

                    logStr.AppendLine("支付请求的xml" + strB);
                    var xml      = new XmlDocument();
                    var en       = Encoding.GetEncoding("UTF-8");
                    var response = _payHelper.CreatePostHttpResponse("https://api.mch.weixin.qq.com/pay/unifiedorder",
                                                                     strB.ToString(), en);
                    if (response != null)
                    {
                        //打印返回值
                        var stream = response.GetResponseStream(); //获取响应的字符串流
                        if (stream != null)
                        {
                            var sr   = new StreamReader(stream); //创建一个stream读取流
                            var html = sr.ReadToEnd();           //从头读到尾,放到字符串html
                            logStr.AppendLine("请求返回的结果:" + html);
                            xml.LoadXml(html);
                            //对请求返回值 进行处理
                            var root   = xml.DocumentElement;
                            var ds     = new DataSet();
                            var stram  = new StringReader(html);
                            var reader = new XmlTextReader(stram);
                            ds.ReadXml(reader);
                            var returnCode = ds.Tables[0].Rows[0]["return_code"].ToString();
                            if (returnCode.ToUpper() == "SUCCESS")
                            {
                                resultDic = new Dictionary <string, string>
                                {
                                    { "appId", baseSetting.AppId },
                                    { "timeStamp", _payHelper.GetTimeStamp() },
                                    { "nonceStr", dic["nonce_str"] },
                                    { "package", "prepay_id=" + ds.Tables[0].Rows[0]["prepay_id"] },
                                    { "signType", "MD5" }
                                };
                                //在服务器上签名
                                resultDic.Add("paySign", _payHelper.GetSignString(resultDic, paySetting.PayKey));
                                model.TimeStamp = resultDic["timeStamp"];
                                model.NonceStr  = resultDic["nonceStr"];
                                model.Package   = resultDic["package"];
                                model.SignType  = resultDic["signType"];
                                model.PaySign   = resultDic["paySign"];
                                var requestStr = JsonConvert.SerializeObject(resultDic);
                                logStr.AppendLine("返回的结果:" + requestStr);
                                var payInfo = new PayInfo()
                                {
                                    UserInfoId = userInfo.Id,
                                    Amount     = decimal.Parse(paramModel.Amount) / 100,
                                    IsPay      = false,
                                    TradeNo    = serialNumber,
                                    Body       = body,
                                    CreateOn   = DateTime.Now
                                };
                                _payInfoService.Insert(payInfo);
                            }
                            else
                            {
                                var returnMsg = ds.Tables[0].Rows[0]["return_msg"].ToString();
                                model.IsSuccess = false;
                                model.ReturnMsg = returnMsg;
                                logStr.AppendLine("返回的结果:" + JsonConvert.SerializeObject(model));
                            }
                        }
                        else
                        {
                            model.IsSuccess = false;
                            model.ReturnMsg = "response.GetResponseStream() is null";
                            logStr.AppendLine("返回的结果:" + JsonConvert.SerializeObject(model));
                        }
                    }
                    else
                    {
                        model.IsSuccess = false;
                        model.ReturnMsg = "CreatePostHttpResponse is null";
                        logStr.AppendLine("返回的结果:" + JsonConvert.SerializeObject(model));
                    }
                    WebLogHelper.WebLog(logStr.ToString());
                    model.IsSuccess = true;
                    model.ReturnMsg = "调用成功";
                }
            }
            catch (Exception ex)
            {
                model.IsSuccess = false;
                model.ReturnMsg = ex.Message;
            }


            return(Json(model));
        }