TestClase test = new TestClase();
            string s = JsonConvert.SerializeObject(test);

 public class TestClase 
    {
        public int a = 1;
        [JsonIgnore]
        public int b = 2;
        public string c = "3";
        public string d = "4";
        public bool e = true;
        public bool f = false;
        public string g { get; set; }
        public string h { get; set; }

        [JsonIgnore]//固定忽略字段s，这个字段不会被序列化
        public string s = "a,b,c,e";

        //方法的名字为ShouldSerialize + a
        public bool ShouldSerializea()
        {
        
            List<string> strs = s.Split(',').ToList<string>();
            if (strs.FindAll((x)=>x == "a").Count > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        //方法的名字为ShouldSerialize + b
        public bool ShouldSerializeb()
        {
         
            List<string> strs = s.Split(',').ToList<string>();
            if (strs.FindAll((x) => x == "b").Count > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        //方法的名字为ShouldSerialize + c
        public bool ShouldSerializec()
        {
     
            List<string> strs = s.Split(',').ToList<string>();
            if (strs.FindAll((x) => x == "c").Count > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        public bool ShouldSerialized()
        {
           
            List<string> strs = s.Split(',').ToList<string>();
            if (strs.FindAll((x) => x == "d").Count > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        public bool ShouldSerializee()
        {
      
            List<string> strs = s.Split(',').ToList<string>();
            if (strs.FindAll((x) => x == "e").Count > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
        public bool ShouldSerializef()
        {
            
            List<string> strs = s.Split(',').ToList<string>();
            if (strs.FindAll((x) => x == "f").Count > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        public bool ShouldSerializeg()
        {

            List<string> strs = s.Split(',').ToList<string>();
            if (strs.FindAll((x) => x == "g").Count > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

    }