• C#中Json处理


     1 using System.Collections.Generic;
     2 using Newtonsoft.Json.Linq;
     3 using Newtonsoft.Json;
     4 using System.Web.Script.Serialization;
     5 
     6 
     7 //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
     8 //使用JsonConvert方式需要Newtonsoft.dll;引用Newtonsoft.Json,frameword2.0也可以用
     9  //字符串转json
    10         public static void strJson()
    11         {
    12             string jsonText = "{"shenzheng":"深圳","beijing":"北京","shanghai":[{"zj1":"zj11","zj2":"zj22"},"zjs"]}";
    13             //转为json对象
    14             JObject jo = (JObject)JsonConvert.DeserializeObject(jsonText);
    15             string zone = jo["shenzheng"].ToString();//输出 深圳
    16             string zone_en = jo["shanghai"].ToString();//"[
      {
        "zj1": "zj11",
        "zj2": "zj22"
      },
      "zjs"
    ]"
    17             string zj1 = jo["shanghai"][1].ToString();//"zjs"
    18             Console.WriteLine(jo);
    19         }
    20 //JsonConvert方式的集合转json
    21   string jo =JsonConvert.SerializeObject(ListUserInfoModel);
    22 
    23 
    24 
    25 
    26         //对象与数组转JSON
    27         public static void GetJsonString()
    28         {
    29             //初始化对象
    30             Obj product = new Obj() { Name = "苹果", Price = 5.5 };
    31             //序列化
    32             string o = new JavaScriptSerializer().Serialize(product);//值:"{"Name":"苹果","Price":5.5}"
    33 
    34 
    35 
    36             //数组转json
    37             List<Obj> products = new List<Obj>(){
    38             new Obj(){Name="苹果",Price=5.5},
    39             new Obj(){Name="橘子",Price=2.5},
    40             new Obj(){Name="干柿子",Price=16.00}
    41             };
    42 
    43             ProductList productlist = new ProductList();
    44             productlist.GetProducts = products;
    45             //序列化
    46             string os = new JavaScriptSerializer().Serialize(productlist);
    47             //输出 "{"GetProducts":[{"Name":"苹果","Price":5.5},{"Name":"橘子","Price":2.5},{"Name":"干柿子","Price":16}]}"
    48         }
    49 
    50 
    51 
    52 
    53         //json转对象、数组, 反序列化
    54         public static void JSONStringToList()
    55         {
    56 
    57             //json格式字符串
    58             string JsonStr = "{Name:'苹果',Price:5.5}";
    59             JavaScriptSerializer Serializer = new JavaScriptSerializer();
    60 
    61             //json字符串转为对象, 反序列化
    62             Obj obj = Serializer.Deserialize<Obj>(JsonStr);
    63                 Console.Write(obj.Name + ":" + obj.Price + "
    ");
    64 
    65 
    66 
    67             //json格式字符串
    68             string JsonStrs = "[{Name:'苹果',Price:5.5},{Name:'橘子',Price:2.5},{Name:'柿子',Price:16}]";
    69 
    70             JavaScriptSerializer Serializers = new JavaScriptSerializer();
    71 
    72             //json字符串转为数组对象, 反序列化
    73             List<Obj> objs = Serializers.Deserialize<List<Obj>>(JsonStrs);
    74 
    75             foreach (var item in objs)
    76             {
    77                Console.Write(item.Name + ":" + item.Price + "
    ");
    78             }
    79         }  

    https://blog.csdn.net/yh12346789/article/details/78768334

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  • 原文地址:https://www.cnblogs.com/gsh0921/p/10894002.html
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