public class Person
  {
    public  Person()
    {
    }
    public Person(string Name, string Sex, int Age, string Address, PersonCharacter Character)
    {
      this.Name = Name;
      this.Sex = Sex;
      this.Age = Age;
      this.Address = Address;
      this.Character = Character;
    }
    public string Name { get; set; }
    public string Sex { get; set; }
    public int Age { get; set; }
    public string Address { get; set; }
    public PersonCharacter Character { get; set; }
  }
  public class PersonCharacter
  {
    public string Daode { get; set; }
    public string Wenhua { get; set; }
    public string Xiuyang { get; set; }
  }
 public void ShowConvert()
    {
      Person person = new Person("lanar", "男", 24, "陕西", new PersonCharacter());
      JsonSerializer serializer = new JsonSerializer();
StringWriter sw = new StringWriter();
serializer.Serialize(new JsonTextWriter(sw), person );
Console.WriteLine(sw.GetStringBuilder().ToString());
StringReader sr = new StringReader(@"{""Name"":""ppp"", ""Age"":"12"}");
Person p1 = (Project)serializer.Deserialize(new JsonTextReader(sr), typeof(Person));
Console.WriteLine(p1.Name+ "=>" + p1.Age);
}

 public class Person
   {
     public  Person()
     {
     }
     public Person(string Name, string Sex, int Age, string Address, PersonCharacter Character)
     {
       this.Name = Name;
       this.Sex = Sex;
       this.Age = Age;
       this.Address = Address;
       this.Character = Character;
     }
     [DataMember]
     public string Name { get; set; }
     [DataMember]
     public string Sex { get; set; }
     [DataMember]
     public int Age { get; set; }
      [DataMember]
     public string Address { get; set; }
     [DataMember]
     public PersonCharacter Character { get; set; }
   }
   public class PersonCharacter
   {
     public string Daode { get; set; }
     public string Wenhua { get; set; }
     public string Xiuyang { get; set; }
   }
     public void ShowConvert()
     {
       Person person = new Person("许展鹏", "男", , "陕西", new PersonCharacter());
       Person p = new Person() { Name = "四大圣地", Age = , Sex = "男", Character = new PersonCharacter() { Daode="sds", Wenhua="dasd", Xiuyang="zzz"} };
       DataContractJsonSerializer serializer = new DataContractJsonSerializer(p.GetType());
       string jsonText;
       try
       {
         using (MemoryStream stream = new MemoryStream())
         {
           serializer.WriteObject(stream, p);
           jsonText = Encoding.UTF.GetString(stream.ToArray());
           Console.WriteLine(jsonText);
         }
         using (MemoryStream ms = new MemoryStream(Encoding.UTF.GetBytes(jsonText)))
         {
           DataContractJsonSerializer serializer = new DataContractJsonSerializer(typeof(Person));
           Person p = (Person)serializer.ReadObject(ms);
         }
       }
       catch (Exception ex )
       {
         throw new Exception(ex.Message,ex);
       }
     }