学习使用API

public class OpenWeatherProxy
    {
        public static async Task<RootObject> GetAdcode(string s)
        {
            var http = new HttpClient();
            var response = await http.GetAsync("http://restapi.amap.com/v3/geocode/geo?address="+s+"&key=自己的开发ID&output=json");
            var result = await response.Content.ReadAsStringAsync();
            var serializer = new DataContractJsonSerializer(typeof(RootObject));

            var ms = new MemoryStream(Encoding.UTF8.GetBytes(result));
            var data = (RootObject)serializer.ReadObject(ms);

            return data;
        }
        public static async Task<RootObject> GetWeather(string s)
        {
            var http = new HttpClient();
            var response = await http.GetAsync("http://restapi.amap.com/v3/weather/weatherInfo?key=自己的开发ID&city=" + s + "&extension=base&output=json");
            var result = await response.Content.ReadAsStringAsync();
            var serializer = new DataContractJsonSerializer(typeof(RootObject));

            var ms = new MemoryStream(Encoding.UTF8.GetBytes(result));
            var data = (RootObject)serializer.ReadObject(ms);

            return data;
        }

        [DataContract]
        public class RootObject
        {
            [DataMember]
            public string status { get; set; }
            [DataMember]
            public string count { get; set; }
            [DataMember]
            public string info { get; set; }
            [DataMember]
            public string infocode { get; set; }
            [DataMember]
            public List<Geocode> geocodes { get; set; }
            [DataMember]
            public List<Life> lives { get; set; }
        }

        [DataContract]
        public  class Building
        {
            [DataMember]
            public List<object> name { get; set; }
            [DataMember]
            public List<object> type { get; set; }
        }

        [DataContract]
        public class Geocode
        {
            [DataMember]
            public string formatted_address { get; set; }
            [DataMember]
            public string province { get; set; }
            [DataMember]
            public string citycode { get; set; }
            [DataMember]
            public string city { get; set; }
            [DataMember]
            public string district { get; set; }
            [DataMember]
            public List<object> township { get; set; }
            [DataMember]
            public Neighborhood neighborhood { get; set; }
            [DataMember]
            public Building building { get; set; }
            [DataMember]
            public string adcode { get; set; }
            [DataMember]
            public List<object> street { get; set; }
            [DataMember]
            public List<object> number { get; set; }
            [DataMember]
            public string location { get; set; }
            [DataMember]
            public string level { get; set; }

        }

        [DataContract]
        public class Neighborhood
        {
            [DataMember]
            public List<object> name { get; set; }
            [DataMember]
            public List<object> type { get; set; }
        }

        [DataContract]
        public class Life
        {
            [DataMember]
            public string province { get; set; }
            [DataMember]
            public string city { get; set; }
            [DataMember]
            public string adcode { get; set; }
            [DataMember]
            public string weather { get; set; }
            [DataMember]
            public string temperature { get; set; }
            [DataMember]
            public string winddirection { get; set; }
            [DataMember]
            public string windpower { get; set; }
            [DataMember]
            public string humidity { get; set; }
            [DataMember]
            public string reporttime { get; set; }
        }
    }