c#中字符串转为json对象与json转对象

using System.Collections.Generic;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json;
using System.Web.Script.Serialization;


//使用JavaScriptSerializer()方式转json，需要添加System.Web.Extensions.dll最低的frameword3.5版本才有该dll
//使用JsonConvert方式需要Newtonsoft.dll;引用Newtonsoft.Json，frameword2.0也可以用
 //字符串转json
        public static void strJson()
        {
            string jsonText = "{\"shenzheng\":\"深圳\",\"beijing\":\"北京\",\"shanghai\":[{\"zj1\":\"zj11\",\"zj2\":\"zj22\"},\"zjs\"]}";
            //转为json对象
            JObject jo = (JObject)JsonConvert.DeserializeObject(jsonText);
            string zone = jo["shenzheng"].ToString();//输出 深圳
            string zone_en = jo["shanghai"].ToString();//"[\r\n  {\r\n    \"zj1\": \"zj11\",\r\n    \"zj2\": \"zj22\"\r\n  },\r\n  \"zjs\"\r\n]"
            string zj1 = jo["shanghai"][1].ToString();//"zjs"
            Console.WriteLine(jo);
        }
//JsonConvert方式的集合转json
  string jo =JsonConvert.SerializeObject(ListUserInfoModel);




        //对象与数组转JSON
        public static void GetJsonString()
        {
            //初始化对象
            Obj product = new Obj() { Name = "苹果", Price = 5.5 };
            //序列化
            string o = new JavaScriptSerializer().Serialize(product);//值："{\"Name\":\"苹果\",\"Price\":5.5}"



            //数组转json
            List products = new List(){
            new Obj(){Name="苹果",Price=5.5},
            new Obj(){Name="橘子",Price=2.5},
            new Obj(){Name="干柿子",Price=16.00}
            };

            ProductList productlist = new ProductList();
            productlist.GetProducts = products;
            //序列化
            string os = new JavaScriptSerializer().Serialize(productlist);
            //输出 "{\"GetProducts\":[{\"Name\":\"苹果\",\"Price\":5.5},{\"Name\":\"橘子\",\"Price\":2.5},{\"Name\":\"干柿子\",\"Price\":16}]}"
        }




        //json转对象、数组, 反序列化
        public static void JSONStringToList()
        {

            //json格式字符串
            string JsonStr = "{Name:'苹果',Price:5.5}";
            JavaScriptSerializer Serializer = new JavaScriptSerializer();

            //json字符串转为对象, 反序列化
            Obj obj = Serializer.Deserialize(JsonStr);
                Console.Write(obj.Name + ":" + obj.Price + "\r\n");



            //json格式字符串
            string JsonStrs = "[{Name:'苹果',Price:5.5},{Name:'橘子',Price:2.5},{Name:'柿子',Price:16}]";

            JavaScriptSerializer Serializers = new JavaScriptSerializer();

            //json字符串转为数组对象, 反序列化
            List objs = Serializers.Deserialize>(JsonStrs);

            foreach (var item in objs)
            {
               Console.Write(item.Name + ":" + item.Price + "\r\n");
            }
        }