使用JSON.NET实现对象属性的自定义化格式

class Person
{
    public string Name { get; set; }
    public int Age { get; set; }
    public DateTime BirthDate { get; set; }
}

class Person

{

    public string Name { get; set; }

    public int Age { get; set; }

    public DateTime BirthDate { get; set; }

}

static void Main(string[] args)
{
    var me = new Person
    {
        Name = "Medit Ding",
        Age = 27,
        BirthDate = DateTime.Parse("1992-11-13")
    };

    var json1 = JsonConvert.SerializeObject(me);
    var json2 = JsonConvert.SerializeObject(me, new IsoDateTimeConverter { DateTimeFormat = "yyyy/MM/dd" });

    Console.WriteLine($"json1:\t{json1}\r\njson2:\t{json2}");
    Console.ReadKey();
}

static void Main(string[] args)

{

    var me = new Person

    {

        Name = "Medit Ding",

        Age = 27,

        BirthDate = DateTime.Parse("1992-11-13")

    };

    var json1 = JsonConvert.SerializeObject(me);

    var json2 = JsonConvert.SerializeObject(me, new IsoDateTimeConverter { DateTimeFormat = "yyyy/MM/dd" });

    Console.WriteLine($"json1:\t{json1}\r\njson2:\t{json2}");

    Console.ReadKey();

}

class Person
{
    public string Name { get; set; }
    public int Age { get; set; }

    [JsonConverter(typeof(DateTimeConverter),"yyyy/MM/dd")]
    public DateTime BirthDate { get; set; }
}

class DateTimeConverter : IsoDateTimeConverter
{
    public DateTimeConverter()
        :base()
    {
        //Default datetime format
        DateTimeFormat = "yyyy-MM-dd HH:mm:ss";
    }

    public DateTimeConverter(string format)
        :base()
    {
        DateTimeFormat = format;
    }
}

....
static void Main(string[] args)
{
    var me = new Person
    {
        Name = "Medit Ding",
        Age = 27,
        BirthDate = DateTime.Parse("1992-11-13")
    };
    
    var json = JsonConvert.SerializeObject(me);

    Console.WriteLine($"json:\t{json}");
    Console.ReadKey();
}

class Person

{

    public string Name { get; set; }

    public int Age { get; set; }

    [JsonConverter(typeof(DateTimeConverter),"yyyy/MM/dd")]

    public DateTime BirthDate { get; set; }

}

class DateTimeConverter : IsoDateTimeConverter

{

    public DateTimeConverter()

        :base()

    {

        //Default datetime format

        DateTimeFormat = "yyyy-MM-dd HH:mm:ss";

    }

    public DateTimeConverter(string format)

        :base()

    {

        DateTimeFormat = format;

    }

}

....

static void Main(string[] args)

{

    var me = new Person

    {

        Name = "Medit Ding",

        Age = 27,

        BirthDate = DateTime.Parse("1992-11-13")

    };

    var json = JsonConvert.SerializeObject(me);

    Console.WriteLine($"json:\t{json}");

    Console.ReadKey();

}