来源: c#中string字符串转为json与json转对象 – 任督二脉 – 博客园
添加引用,Newtonsoft.Json.dll
using Newtonsoft.Json.Linq;
1 //字符串转json
2 public static void strJson()
3 {
4 string jsonText = "{"shenzheng":"深圳","beijing":"北京","shanghai":[{"zj1":"zj11","zj2":"zj22"},"zjs"]}";
5
6 JObject jo = (JObject)JsonConvert.DeserializeObject(jsonText);//或者JObject jo = JObject.Parse(jsonText);
7 string zone = jo["shenzheng"].ToString();//输出 "深圳"
8 string zone_en = jo["shanghai"].ToString();//输出 "[{"zj1":"zj11","zj2":"zj22"},"zjs"]"
9 string zj1 = jo["shanghai"][1].ToString();//输出 "zjs"
10 Console.WriteLine(jo);
11 }
1 //对象与数组转JSON
2 public static void GetJsonString()
3 {
4 //初始化对象
5 Obj product = new Obj() { Name = "苹果", Price = 5.5 };
6 //序列化
7 string o = new JavaScriptSerializer().Serialize(product);//值:"{\"Name\":\"苹果\",\"Price\":5.5}"
8
9 //数组转json
10 List<Obj> products = new List<Obj>(){
11 new Obj(){Name="苹果",Price=5.5},
12 new Obj(){Name="橘子",Price=2.5},
13 new Obj(){Name="干柿子",Price=16.00}
14 };
15
16 ProductList productlist = new ProductList();
17 productlist.GetProducts = products;
18 //序列化
19 string os = new JavaScriptSerializer().Serialize(productlist);
20 //输出 "{\"GetProducts\":[{\"Name\":\"苹果\",\"Price\":5.5},{\"Name\":\"橘子\",\"Price\":2.5},{\"Name\":\"干柿子\",\"Price\":16}]}"
21 }
22
23 //json转对象、数组, 反序列化
24 public static void JSONStringToList()
25 {
26
27 //json格式字符串
28 string JsonStr = "{Name:'苹果',Price:5.5}";
29 JavaScriptSerializer Serializer = new JavaScriptSerializer();
30
31 //json字符串转为对象, 反序列化
32 Obj obj = Serializer.Deserialize<Obj>(JsonStr);
33 Console.Write(obj.Name + ":" + obj.Price + "\r\n");
34
35 //json格式字符串
36 string JsonStrs = "[{Name:'苹果',Price:5.5},{Name:'橘子',Price:2.5},{Name:'柿子',Price:16}]";
37
38 JavaScriptSerializer Serializers = new JavaScriptSerializer();
39
40 //json字符串转为数组对象, 反序列化
41 List<Obj> objs = Serializers.Deserialize<List<Obj>>(JsonStrs);
42
43 foreach (var item in objs)
44 {
45 Console.Write(item.Name + ":" + item.Price + "\r\n");
46 }
47 }
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