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();//"[\r\n  {\r\n    \"zj1\": \"zj11\",\r\n    \"zj2\": \"zj22\"\r\n  },\r\n  \"zjs\"\r\n]"
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 + "\r\n");
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 + "\r\n");
78             }
79         }  

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