我有两个从 Web API 返回的 Json，其中包含动态大小数组“联系人”和“便利设施”。
通常我会使用以下代码访问 Json 中固定大小的数组“结果”，因为我正在修复大小。
string json = _obj.GetJsonResult(url);
Hotel hotel = Newtonsoft.Json.JsonConvert.DeserializeObject<Hotel>(json);
hotelName = hotel.results[0].property_name;
我尝试了以下 Link并按照代码获取动态数组大小，但它似乎不起作用。
var jObject = JObject.Parse(json);
JArray jArray = (JArray)jObject["hotel.results[0].contacts"];
int length = jArray.Count;
杰森一号
{
"results": [
{
"property_code": "FGPENOTP",
"property_name": "Olive Tree Penang",
"location": {
"latitude": 5.32708,
"longitude": 100.27944
},
"address": {
"line1": "No 76 Jalan Mahsuri",
"city": "Bayan Lepas",
"postal_code": "11950",
"country": "MY"
},
"total_price": {
"amount": "265.00",
"currency": "MYR"
},
"min_daily_rate": {
"amount": "250.00",
"currency": "MYR"
},
"contacts": [
{
"type": "PHONE",
"detail": "+6046377777"
},
{
"type": "FAX",
"detail": "+6046377788"
}
],
"amenities": [
{
"amenity": "RESTAURANT",
"ota_code": 76,
"description": "Restaurant"
},
{
"amenity": "ELEVATORS",
"ota_code": 33,
"description": "Elevators"
},
{
"amenity": "LAUNDRY_SERVICE",
"ota_code": 58,
"description": "Laundry/Valet service"
},
{
"amenity": "PARKING",
"ota_code": 68,
"description": "Parking"
},
{
"amenity": "ROOM_SERVICE",
"ota_code": 77,
"description": "Room service"
},
{
"amenity": "SAFE_DEPOSIT_BOX",
"ota_code": 78,
"description": "Safe deposit box"
},
{
"amenity": "OUTDOOR_POOL",
"ota_code": 66,
"description": "Outdoor pool"
},
{
"amenity": "BALLROOM",
"ota_code": 191,
"description": "Ballroom"
}
],
"awards": [
{
"provider": "Local Star Rating",
"rating": "4"
}
],
"images": [],
"rooms": [
{
"booking_code": "A1KBAR",
"room_type_code": "A1K",
"rate_plan_code": "BAR",
"total_amount": {
"amount": "265.00",
"currency": "MYR"
},
"rates": [
{
"start_date": "2018-06-15",
"end_date": "2018-06-16",
"currency_code": "MYR",
"price": 250
}
],
"descriptions": [
"BEST AVAILABLE RATE",
"DELUXE ROOM/ KING OR TWIN SIZED BED/ 28 SQM/",
"FREE WI FI"
],
"room_type_info": {
"room_type": "Room with bath - Superior",
"bed_type": "King",
"number_of_beds": "1"
},
"rate_type_code": "BAR"
}
],
"_links": {
"more_rooms_at_this_hotel": {
"href": "https://api.sandbox.amadeus.com/v1.2/hotels/FGPENOTP?apikey=pa3lM5UhJAZ0AJfzlZHcAKdiGVBA90wA&check_in=2018-06-15&check_out=2018-06-16&lang=EN¤cy=MYR&referrer=more_rooms_at_this_hotel"
}
}
}
]
}
Json二
{
"results": [
{
"property_code": "WWKULAPT",
"property_name": "Sama Sama Hotel Klia",
"location": {
"latitude": 2.75803,
"longitude": 101.7041
},
"address": {
"line1": "Jalan Cta 4b",
"city": "Selangor",
"postal_code": "64000",
"country": "MY"
},
"total_price": {
"amount": "625.00",
"currency": "MYR"
},
"min_daily_rate": {
"amount": "625.00",
"currency": "MYR"
},
"contacts": [
{
"type": "PHONE",
"detail": "60-3-87873333"
},
{
"type": "FAX",
"detail": "60-3-87875555"
},
{
"type": "EMAIL",
"detail": "info@samasamahotels.com"
},
{
"type": "URL",
"detail": "www.samasamahotels.com"
}
],
"amenities": [
{
"amenity": "COFFEE_SHOP",
"ota_code": 20,
"description": "Coffee shop"
},
{
"amenity": "RESTAURANT",
"ota_code": 76,
"description": "Restaurant"
},
{
"amenity": "ACCESSIBLE_FACILITIES",
"ota_code": 47,
"description": "Accessible facilities"
},
{
"amenity": "BEAUTY_SALON",
"ota_code": 107,
"description": "Beauty shop/salon"
},
{
"amenity": "CAR_RENTAL",
"ota_code": 15,
"description": "Car rental desk"
},
{
"amenity": "CHILDREN_WELCOME",
"ota_code": 218,
"description": "Children welcome"
},
{
"amenity": "ELEVATORS",
"ota_code": 33,
"description": "Elevators"
},
{
"amenity": "CURRENCY_EXCHANGE",
"ota_code": 26,
"description": "Currency exchange"
},
{
"amenity": "EXECUTIVE_FLOOR",
"ota_code": 34,
"description": "Executive floor"
},
{
"amenity": "HOTSPOTS",
"ota_code": 221,
"description": "Hotspots"
},
{
"amenity": "INTERNET_PUBLIC_AREAS",
"ota_code": 178,
"description": "Internet access in public areas"
},
{
"amenity": "JACUZZI",
"ota_code": 55,
"description": "Jacuzzi"
},
{
"amenity": "LAUNDRY_SERVICE",
"ota_code": 58,
"description": "Laundry/Valet service"
},
{
"amenity": "MASSAGE_SERVICES",
"ota_code": 61,
"description": "Massage services"
},
{
"amenity": "NON_PORNOGRAPHIC_TV",
"ota_code": 220,
"description": "Hotel does not provide pornographic films/TV"
},
{
"amenity": "PARKING",
"ota_code": 68,
"description": "Parking"
},
{
"amenity": "SAUNA",
"ota_code": 79,
"description": "Sauna"
},
{
"amenity": "SPA",
"ota_code": 84,
"description": "Spa"
},
{
"amenity": "VALET_PARKING",
"ota_code": 97,
"description": "Valet parking "
},
{
"amenity": "",
"ota_code": 46,
"description": "Hairdresser/barber"
},
{
"amenity": "POOL",
"ota_code": 71,
"description": "Pool"
},
{
"amenity": "ROOM_SERVICE",
"ota_code": 77,
"description": "Room service"
},
{
"amenity": "SAFE_DEPOSIT_BOX",
"ota_code": 78,
"description": "Safe deposit box"
}
],
"awards": [
{
"provider": "OHG",
"rating": "Deluxe"
}
],
"images": [],
"rooms": [
{
"booking_code": "DR12ZZZ",
"room_type_code": "D2T",
"rate_plan_code": "PRO",
"total_amount": {
"amount": "625.00",
"currency": "MYR"
},
"rates": [
{
"start_date": "2018-06-15",
"end_date": "2018-06-16",
"currency_code": "MYR",
"price": 625
}
],
"descriptions": [
"Sama Sama Best Available Rate GDS",
"Deluxe Twin/AC/Free WiFi/LCD TV/36SQM/",
"NonSmoking/Work Desk/Safe/Minibar"
],
"room_type_info": {
"room_type": "Room with bath - Minimum",
"bed_type": "Twin",
"number_of_beds": "2"
},
"rate_type_code": "PRO"
}
],
"_links": {
"more_rooms_at_this_hotel": {
"href": "https://api.sandbox.amadeus.com/v1.2/hotels/WWKULAPT?apikey=pa3lM5UhJAZ0AJfzlZHcAKdiGVBA90wA&check_in=2018-06-15&check_out=2018-06-16&lang=EN¤cy=MYR&referrer=more_rooms_at_this_hotel"
}
}
}
]
}
感谢这里的每一位帮助过的成员。
最佳答案
由于您已经对 JSON 进行了反序列化，因此您所要做的就是调用 hotel.results[0].contacts.Count。
这将返回一个整数，表示联系人列表中的项目数量。
如果 contacts 是数组数据类型，您将需要使用 length 而不是 count。
关于c# - 获取 Json 数组大小，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/50780317/