C#中JSON字符串中的转义字符

using Newtonsoft.Json;
using System;

namespace NetCoreJson
{
    public class MessageContainer
    {
        public string Message1
        {
            get;
            set;
        }

        public string Message2
        {
            get;
            set;
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            MessageContainer messageContainerToJson = new MessageContainer()
            {
                Message1 = "这是带双引号转义字符的消息:\"今天是个好天气！\"",
                Message2 = "这是带换行的消息:今天天气真好\n适合出去郊游\n真是愉快的一天"
            };

            string toJsonMessage = JsonConvert.SerializeObject(messageContainerToJson, Formatting.Indented);

            Console.WriteLine(toJsonMessage);
            /*
                {
                  "Message1": "这是带双引号转义字符的消息:\"今天是个好天气！\"",
                  "Message2": "这是带换行的消息:今天天气真好\n适合出去郊游\n真是愉快的一天"
                }
             */

            string fromJsonMessage = "{\"Message1\": \"这是带双引号转义字符的消息:\\\"今天是个好天气！\\\"\",\"Message2\": \"这是带换行的消息:今天天气真好\\n适合出去郊游\\n真是愉快的一天\"}";

            MessageContainer messageContainerFromJson = JsonConvert.DeserializeObject<MessageContainer>(fromJsonMessage);

            Console.WriteLine("Message1为:{0}", messageContainerFromJson.Message1);
            Console.WriteLine("Message2为:{0}", messageContainerFromJson.Message2);

            Console.WriteLine("Press any key to end...");
            Console.ReadKey();
        }
    }
}