c# - 从深度嵌套的 json 对象获取数据

Question

我真的被这个问题困扰了 2 天，我怎样才能从深度嵌套的 json 对象中获取数据。

我在网上找到了一个json工具http://www.jsoneditoronline.org/ http://jsonformat.com/当您将 json 粘贴到其中时，它会显示所有对象数组等，因此我可以深入挖掘数据并获取我想要的信息。

当我调试代码并在以下位置设置断点时:foreach(rates.ToArray() 中的 JToken 数据) ，取决于我尝试的内容取决于我得到的错误，最后一个错误是。

Error converting value "@rateChange" to type 'Web.UI.Controllers.HomeController+RateInfo'.

Could not cast or convert from System.String to Web.UI.Controllers.HomeController+RateInfo.

非常感谢任何帮助。

我的类(class)

public class RateInfo
        {
            public string RateChange { get; set; }
            public string Promo { get; set; }
            public string PriceBreakdown { get; set; }
            public bool NonRefundable { get; set; }
            public string RateType { get; set; }
            public int CurrentAllotment { get; set; }
            public int? PromoId { get; set; }
            public string PromoDescription { get; set; }
            public string PromoType { get; set; }
        }

代码

 IList<JToken> rates = root["HotelListResponse"]["HotelList"]["HotelSummary"][0]["RoomRateDetailsList"]["RoomRateDetails"]["RateInfos"]["RateInfo"].Children().ToList();


                        IList<RateInfo> info = new List<RateInfo>();
                        foreach (JToken data in rates.ToArray())
                        {
                            RateInfo rateInfo = JsonConvert.DeserializeObject<RateInfo>(data.ToString());
                            info.Add(rateInfo);
                        }

JSON

{ "HotelListResponse" : { "HotelList" : { "@activePropertyCount" : "168",
          "@size" : "2",
          "HotelSummary" : [ { "@order" : "0",
                "@ubsScore" : "360017",
                "RoomRateDetailsList" : { "RoomRateDetails" : { "RateInfos" : { "@size" : "1",
                            "RateInfo" : { "@priceBreakdown" : "true",
                                "@promo" : "true",
                                "@rateChange" : "true",
                                "ChargeableRateInfo" : { "@averageBaseRate" : "68.62333",
                                    "@averageRate" : "68.62333",
                                    "@commissionableUsdTotal" : "205.87",
                                    "@currencyCode" : "USD",
                                    "@grossProfitOffline" : "14.06",
                                    "@grossProfitOnline" : "27.44",
                                    "@maxNightlyRate" : "77.87",
                                    "@nightlyRateTotal" : "205.87",
                                    "@total" : "205.87",
                                    "NightlyRatesPerRoom" : { "@size" : "3",
                                        "NightlyRate" : [ { "@baseRate" : "77.87",
                                              "@promo" : "false",
                                              "@rate" : "77.87"
                                            },
                                            { "@baseRate" : "64.0",
                                              "@promo" : "false",
                                              "@rate" : "64.0"
                                            },
                                            { "@baseRate" : "64.0",
                                              "@promo" : "false",
                                              "@rate" : "64.0"
                                            }
                                          ]
                                      }
                                  },
                                "RoomGroup" : { "Room" : { "numberOfAdults" : 2,
                                        "numberOfChildren" : 0,
                                        "rateKey" : "f82ab843-49ee-481a-b53a-71647592b183"
                                      } },
                                "currentAllotment" : 0,
                                "nonRefundable" : true,
                                "promoDescription" : "Advance Purchase Special - non-refundable",
                                "promoId" : 200827770,
                                "promoType" : "Standard",
                                "rateType" : "MerchantStandard"
                              }
                          },
                        "ValueAdds" : { "@size" : "1",
                            "ValueAdd" : { "@id" : "2048",
                                "description" : "Free Wireless Internet"
                              }
                          },
                        "expediaPropertyId" : 3084588,
                        "maxRoomOccupancy" : 3,
                        "minGuestAge" : 0,
                        "propertyAvailable" : true,
                        "propertyRestricted" : false,
                        "quotedRoomOccupancy" : 2,
                        "rateCode" : 200371945,
                        "roomDescription" : "Standard Room with King size bed",
                        "roomTypeCode" : 477014
                      } },
                "address1" : "Stone Cellar Road",
                "address2" : "High Usworth Newcastle",
                "airportCode" : " ",
                "amenityMask" : 18063491,
                "city" : "Washington",
                "confidenceRating" : 90,
                "countryCode" : "GB",
                "deepLink" : "http://travel.ian.com/index.jsp?pageName=hotAvail&cid=55505&hotelID=340461&mode=2&numberOfRooms=1&room-0-adult-total=2&room-0-child-total=0&arrivalMonth=11&arrivalDay=12&departureMonth=11&departureDay=15&showInfo=true&locale=en_US&currencyCode=USD",
                "highRate" : 77.870000000000005,
                "hotelId" : 340461,
                "hotelInDestination" : true,
                "hotelRating" : 3,
                "latitude" : 54.922739999999997,
                "locationDescription" : "Near Washington Old Hall",
                "longitude" : -1.5342899999999999,
                "lowRate" : 64,
                "name" : "Mercure Newcastle George Washington Hotel Golf and Spa",
                "postalCode" : "NE37 1PH",
                "propertyCategory" : 1,
                "proximityDistance" : 1.4710813,
                "proximityUnit" : "MI",
                "rateCurrencyCode" : "USD",
                "shortDescription" : "<p><b>Location. </b> <br />Mercure Newcastle George Washington Hotel Golf and Spa is a business-friendly hotel located in Washington, close to Washington Old Hall, Angel of the North, and WWT",
                "supplierType" : "E",
                "thumbNailUrl" : "/hotels/4000000/3090000/3084600/3084588/3084588_84_t.jpg",
                "tripAdvisorRating" : 3.5,
                "tripAdvisorRatingUrl" : "http://www.tripadvisor.com/img/cdsi/img2/ratings/traveler/3.5-12345-4.gif",
                "tripAdvisorReviewCount" : 215
              },
              { "@order" : "1",
                "@ubsScore" : "258461",
                "RoomRateDetailsList" : { "RoomRateDetails" : { "RateInfos" : { "@size" : "1",
                            "RateInfo" : { "@priceBreakdown" : "true",
                                "@promo" : "false",
                                "@rateChange" : "true",
                                "ChargeableRateInfo" : { "@averageBaseRate" : "54.83667",
                                    "@averageRate" : "54.83667",
                                    "@commissionableUsdTotal" : "164.51001",
                                    "@currencyCode" : "USD",
                                    "@grossProfitOffline" : "11.69",
                                    "@grossProfitOnline" : "22.38",
                                    "@maxNightlyRate" : "63.47",
                                    "@nightlyRateTotal" : "164.51001",
                                    "@total" : "164.51",
                                    "NightlyRatesPerRoom" : { "@size" : "3",
                                        "NightlyRate" : [ { "@baseRate" : "50.52",
                                              "@promo" : "false",
                                              "@rate" : "50.52"
                                            },
                                            { "@baseRate" : "50.52",
                                              "@promo" : "false",
                                              "@rate" : "50.52"
                                            },
                                            { "@baseRate" : "63.47",
                                              "@promo" : "false",
                                              "@rate" : "63.47"
                                            }
                                          ]
                                      }
                                  },
                                "RoomGroup" : { "Room" : { "numberOfAdults" : 2,
                                        "numberOfChildren" : 0,
                                        "rateKey" : "f82ab843-49ee-481a-b53a-71647592b183"
                                      } },
                                "currentAllotment" : 0,
                                "nonRefundable" : true,
                                "rateType" : "MerchantStandard"
                              }
                          },
                        "expediaPropertyId" : 901118,
                        "maxRoomOccupancy" : 2,
                        "minGuestAge" : 0,
                        "propertyAvailable" : true,
                        "propertyRestricted" : false,
                        "quotedRoomOccupancy" : 2,
                        "rateCode" : 200369466,
                        "roomDescription" : "Standard room with double bed - Book early & Save",
                        "roomTypeCode" : 162976
                      } },
                "address1" : "Emerson Road",
                "address2" : "District 5",
                "airportCode" : "NCL",
                "amenityMask" : 1507328,
                "city" : "Washington",
                "confidenceRating" : 85,
                "countryCode" : "GB",
                "deepLink" : "http://travel.ian.com/index.jsp?pageName=hotAvail&cid=55505&hotelID=207631&mode=2&numberOfRooms=1&room-0-adult-total=2&room-0-child-total=0&arrivalMonth=11&arrivalDay=12&departureMonth=11&departureDay=15&showInfo=true&locale=en_US&currencyCode=USD",
                "highRate" : 63.469999999999999,
                "hotelId" : 207631,
                "hotelInDestination" : true,
                "hotelRating" : 2,
                "latitude" : 54.895090000000003,
                "locationDescription" : "Near Washington Old Hall",
                "longitude" : -1.55661,
                "lowRate" : 50.520000000000003,
                "name" : "Campanile Washington Newcastle Upon Tyne",
                "postalCode" : "NE37 1LB",
                "propertyCategory" : 1,
                "proximityDistance" : 1.2526573000000001,
                "proximityUnit" : "MI",
                "rateCurrencyCode" : "USD",
                "shortDescription" : "<p><b>Location. </b> <br />Campanile Washington Newcastle Upon Tyne is located in Washington, close to Washington Old Hall, Angel of the North, and WWT Washington Wetland Centre. Additional area",
                "supplierType" : "E",
                "thumbNailUrl" : "/hotels/1000000/910000/901200/901118/901118_20_t.jpg",
                "tripAdvisorRating" : 3.5,
                "tripAdvisorRatingUrl" : "http://www.tripadvisor.com/img/cdsi/img2/ratings/traveler/3.5-12345-4.gif",
                "tripAdvisorReviewCount" : 55
              }
            ]
        },
      "cacheKey" : "4ef59f3e:13e1c495694:-6e28",
      "cacheLocation" : "10.186.168.74:7301",
      "cachedSupplierResponse" : { "@cachedTime" : "0",
          "@candidatePreptime" : "100",
          "@matchedCurrency" : "true",
          "@matchedLocale" : "true",
          "@otherOverheadTime" : "3",
          "@supplierCacheTolerance" : "MED",
          "@supplierRequestNum" : "118",
          "@supplierResponseNum" : "2",
          "@supplierResponseTime" : "468",
          "@tpidUsed" : "5200"
        },
      "customerSessionId" : "0ABAA84A-59F3-E913-E1C2-495694906E33",
      "moreResultsAvailable" : true,
      "numberOfRoomsRequested" : 1
    } } 

=============================这段代码可以从摘要数组中获取数据========= ===

public class Hotelsummary
    {
        public string Name                  { get; set; }
        public string Address1              { get; set; }
        public string Address2              { get; set; }
        public string City                  { get; set; }
        public string PostalCode            { get; set; }
        public string CountryCode           { get; set; }
        public string ThumbNailUrl          { get; set; }
        public string ShortDescription      { get; set; }
        public double HotelRating           { get; set; }
        public double TripAdvisorRating     { get; set; }
        public string RateCurrencyCode      { get; set; }
    }


public IEnumerable<Hotelsummary> GetHotelsForLocationSearch()
        {
            var hotelDetails = GetHotelsFromEan.GetListOfHotels();
            var root = JObject.Parse(hotelDetails.ToString());
            IList<JToken> hotels = root["HotelListResponse"]["HotelList"]["HotelSummary"].Children().ToList();
            IList<Hotelsummary> hotelsummaries = hotels.Select(result => JsonConvert
                                                                             .DeserializeObject<Hotelsummary>(
                                                                                 result.ToString())).ToList();
            return hotelsummaries;
        }

但是一旦我尝试更深入地挖掘数据，我就无法获得我需要的数据

Answer 1

试试这个:

IList<JToken> rates = root["HotelListResponse"]["HotelList"]["HotelSummary"][0]["RoomRateDetailsList"]["RoomRateDetails"]["RateInfos"].Children().ToList();

编辑:

var rateInfo = json["HotelListResponse"]["HotelList"]["HotelSummary"][0]["RoomRateDetailsList"]["RoomRateDetails"]["RateInfos"]["RateInfo"];

var result =JsonConvert.DeserializeObject<RateInfo>( rateInfo .ToString() );