c# JSON反序列化问题

[聆听灬莫问]

c# 如何读取这个JSON格式的数组啊。。。这种的我能读到，那种的怎么得到啊。。。。求教

[聆听灬莫问]

引用 1 楼 u011638080 的回复:

            string jsonStr = @"{""fruits"":{""a"":""orange"",""b"":""banana"",""c"":""apple""},""name"":{""z"":""zhangsan"",""l"":""lisi""}}";

            JavaScriptSerializer serializer = new JavaScriptSerializer();

            Dictionary<string, object> json = serializer.DeserializeObject(jsonStr) as Dictionary<string, object>;

            Dictionary<string, object> obj = json["fruits"] as Dictionary<string, object>;

            Console.WriteLine(obj["a"]);

            Console.ReadLine();

看看

不用字典的话 有方法不

[u011638080]

既然你诚心诚意的问了，哥还是大发慈悲的告诉你好了。 捂好蛋蛋，再看下面，不然会很疼的

        [DataContract]
        public class DanTengObj
        {
            [DataMember(Order = 1, Name = "fruits")]
            public Fruits fruits { get; set; }
            [DataMember(Order = 2, Name = "name")]
            public Name name { get; set; }

            [DataContract]
            public class Fruits
            {
                [DataMember(Order = 1, Name = "a")]
                public string a { get; set; }
                [DataMember(Order = 2, Name = "b")]
                public string b { get; set; }
                [DataMember(Order = 3, Name = "c")]
                public string c { get; set; }
            }

            [DataContract]
            public class Name
            {
                [DataMember(Order = 1, Name = "z")]
                public string z { get; set; }
                [DataMember(Order = 1, Name = "l")]
                public string l { get; set; }
            }
        }

        static void DanTengJsonTest()
        {
            string jsonStr = @"{""fruits"":{""a"":""orange"",""b"":""banana"",""c"":""apple""},""name"":{""z"":""zhangsan"",""l"":""lisi""}}";

            DataContractJsonSerializer js = new DataContractJsonSerializer(typeof(DanTengObj));

            using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonStr)))
            {
                DanTengObj obj = js.ReadObject(ms) as DanTengObj;
                Console.WriteLine(obj.fruits.a);
            }
        }

[聆听灬莫问]

引用 3 楼 u011638080 的回复:

既然你诚心诚意的问了，哥还是大发慈悲的告诉你好了。 捂好蛋蛋，再看下面，不然会很疼的

        [DataContract]
        public class DanTengObj
        {
            [DataMember(Order = 1, Name = "fruits")]
            public Fruits fruits { get; set; }
            [DataMember(Order = 2, Name = "name")]
            public Name name { get; set; }

            [DataContract]
            public class Fruits
            {
                [DataMember(Order = 1, Name = "a")]
                public string a { get; set; }
                [DataMember(Order = 2, Name = "b")]
                public string b { get; set; }
                [DataMember(Order = 3, Name = "c")]
                public string c { get; set; }
            }

            [DataContract]
            public class Name
            {
                [DataMember(Order = 1, Name = "z")]
                public string z { get; set; }
                [DataMember(Order = 1, Name = "l")]
                public string l { get; set; }
            }
        }

        static void DanTengJsonTest()
        {
            string jsonStr = @"{""fruits"":{""a"":""orange"",""b"":""banana"",""c"":""apple""},""name"":{""z"":""zhangsan"",""l"":""lisi""}}";

            DataContractJsonSerializer js = new DataContractJsonSerializer(typeof(DanTengObj));

            using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonStr)))
            {
                DanTengObj obj = js.ReadObject(ms) as DanTengObj;
                Console.WriteLine(obj.fruits.a);
            }
        }

[DataContract] public class DanTengObj { [DataMember(Order = 1, Name = "fruits")] public Fruits fruits { get; set; } [DataMember(Order = 2, Name = "name")] public Name name { get; set; } [DataContract] public class Fruits { [DataMember(Order = 1, Name = "a")] public string a { get; set; } [DataMember(Order = 2, Name = "b")] public string b { get; set; } [DataMember(Order = 3, Name = "c")] public string c { get; set; } } [DataContract] public class Name { [DataMember(Order = 1, Name = "z")] public string z { get; set; } [DataMember(Order = 1, Name = "l")] public string l { get; set; } } }

这个怎么理解啊

[u011638080]

C#里面对json的处理有2种，JavaScriptSerializer和DataContractJsonSerializer。 JavaScriptSerializer读出来就是key-value pair这种Dictionary<string, object>的东西，这个比较通用。 DataContractJsonSerializer类似于其他的Serializer，比如XMLSerializer一类的，是对象序列化/反序列化用的，所以你看到上面要先定义一个Obj对象，把json字串里面的key都定义成属性，最后执行反序列化就出来了一个Obj。

[聆听灬莫问]

引用 5 楼 u011638080 的回复:

C#里面对json的处理有2种，JavaScriptSerializer和DataContractJsonSerializer。 JavaScriptSerializer读出来就是key-value pair这种Dictionary<string, object>的东西，这个比较通用。 DataContractJsonSerializer类似于其他的Serializer，比如XMLSerializer一类的，是对象序列化/反序列化用的，所以你看到上面要先定义一个Obj对象，把json字串里面的key都定义成属性，最后执行反序列化就出来了一个Obj。

谢谢哈，我弄好了

[u011638080]

            string jsonStr = @"{""fruits"":{""a"":""orange"",""b"":""banana"",""c"":""apple""},""name"":{""z"":""zhangsan"",""l"":""lisi""}}";

            JavaScriptSerializer serializer = new JavaScriptSerializer();

            Dictionary<string, object> json = serializer.DeserializeObject(jsonStr) as Dictionary<string, object>;

            Dictionary<string, object> obj = json["fruits"] as Dictionary<string, object>;

            Console.WriteLine(obj["a"]);

            Console.ReadLine();

看看

[swdmike]

用DataContractJsonSerializer很方便的

[璧落璜丨谷间田]

我在最后取值的之后出错的，提示 未将对象引用设置到对象的实例。 string s; DataContractJsonSerializer js = new DataContractJsonSerializer(typeof(GetAccessCompanyM)); using (MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(html))) { GetAccessCompanyM obj = js.ReadObject(ms) as GetAccessCompanyM; //Console.WriteLine(obj.fruits.a); s = obj.result.toreturn.memberId.ToString(); }

[璧落璜丨谷间田]

就是这句话 s = obj.result.toreturn.memberId.ToString();

[璧落璜丨谷间田]

知道是什么问题了，那个地方是数组， 不过数组的话又要怎么读取呢？