上代码：
using System;using System.Collections;using System.Collections.Generic;using System.IO;using System.Linq;using System.Text;using Newtonsoft.Json;using Newtonsoft.Json.Linq; namespace JsonWithNewtonsoft{ class Program { static void Main(string[] args) { //使用StringReader读取Json string jsonText = @"{""Name"":""Jack"",""Age"":""22""}"; JsonReader reader = new JsonTextReader(new StringReader(jsonText)); while (reader.Read()) { Console.WriteLine(reader.TokenType + "\t" + reader.ValueType + "\t" + reader.Value); } Console.WriteLine(); //使用JObject读取Json JObject jo = JObject.Parse(jsonText); string[] values = jo.Properties().Select(item => item.Name.ToString() + ":" + item.Value.ToString()).ToArray(); foreach (string s in values) { Console.WriteLine(s); } Console.WriteLine(); //解析数组型数据 string jsonArrayText1 = "[{'Name':'Tom','Age':'16'},{'Name':'Mary','Age':'15'}]"; JArray ja = (JArray)JsonConvert.DeserializeObject(jsonArrayText1); string name1 = ja[1]["Name"].ToString(); Console.WriteLine("数组型数据取法一：" + name1); Console.WriteLine(); JObject o = (JObject)ja[1]; string name2 = o["Name"].ToString(); Console.WriteLine("数组型数据取法二：" + name2); Console.WriteLine(); //嵌套格式 string jsonTexta = "{\"shanghai\":{\"zone\":\"浦东\",\"zone_en\":\"pudong\"}}"; JObject jsonObjt = JObject.Parse(jsonTexta); string zone = ((JObject)jsonObjt["shanghai"])["zone"].ToString(); string zoneEn = ((JObject)jsonObjt["shanghai"])["zone_en"].ToString(); Console.WriteLine(zone + "," + zoneEn); string jsonData = "{\"name\":\"lily\",\"age\":23,\"addr\":{\"city\":\"guangzhou\",\"province\":\"guangdong\"}}"; JObject jsonObj = JObject.Parse(jsonData); string namea = jsonObj["name"].ToString(); string age = jsonObj["age"].ToString(); string city = ((JObject)jsonObj["addr"])["city"].ToString(); string province = ((JObject)jsonObj["addr"])["province"].ToString(); Console.WriteLine(namea + "," + age + "," + city + "," + province); Console.WriteLine(GetJsonValue(jsonObj.Children(), "province")); Console.WriteLine(); string jsonDatab = "{\"addr\":[{\"city\":\"guangzhou\",\"province\":\"guangdong\"},{\"city\":\"guiyang\",\"province\":\"guizhou\"}]}"; JObject jsonObjm = JObject.Parse(jsonDatab); JArray jar = JArray.Parse(jsonObjm["addr"].ToString()); JObject j = JObject.Parse(jar[0].ToString()); Console.WriteLine(j["city"]); //序列化Json StringWriter sw = new StringWriter(); JsonWriter writer = new JsonTextWriter(sw); writer.WriteStartObject(); writer.WritePropertyName("Name"); writer.WriteValue("Jack"); writer.WritePropertyName("Age"); writer.WriteValue("26"); writer.WriteEndObject(); writer.Flush(); string jsonTextb = sw.GetStringBuilder().ToString(); Console.WriteLine(jsonTextb); Console.WriteLine(); //序列化Student类 Student stu = new Student() { Name="Jack",Age=20}; JsonSerializer serializer=new JsonSerializer(); StringWriter strw=new StringWriter(); serializer.Serialize(new JsonTextWriter(strw),stu ); Console.WriteLine(strw.GetStringBuilder().ToString()); //反序列化Student类 StringReader sr=new StringReader(strw.GetStringBuilder().ToString()); Student st = (Student) serializer.Deserialize(new JsonTextReader(sr), typeof (Student)); Console.WriteLine(st.Name + "=>" + st.Age); Console.WriteLine(); //反序列化类 //定义一个JSON字符串 string jsonTextc = "[{'a':'aaa','b':'bbb','c':'ccc'},{'a':'aaa2','b':'bbb2','c':'ccc2'}]"; //反序列化JSON字符串,将JSON字符串转换成LIST列表 List _list = JsonConvert.DeserializeObject >(jsonTextc); //读取列表中的值 Console.WriteLine(_list[1].a); //输出结果：aaa2 foreach (Customer c in _list) { Console.WriteLine(c.c); //输出结果ccc ccc2 } Console.WriteLine(); //序列化集合列表 List students=new List (); Student stu1=new Student(){Name="Jack",Age=20}; Student stu2=new Student(){Name="Tom",Age=21}; students.Add(stu1); students.Add(stu2); JsonSerializer serializer1=new JsonSerializer(); StringWriter strw1=new StringWriter(); serializer.Serialize(new JsonTextWriter(strw1),students); Console.WriteLine(strw1.GetStringBuilder().ToString()); Console.WriteLine(); List student2s=new List (); Student2 stu3=new Student2(){Name="Jack",Age=20,Phones = new List { "18627900216","18571643691"}}; Student2 stu4 = new Student2() { Name = "Tom", Age = 21, Phones = new List { "15972944805", "13349855388" } }; student2s.Add(stu3); student2s.Add(stu4); JsonSerializer serializer2=new JsonSerializer(); StringWriter strw2=new StringWriter(); serializer2.Serialize(new JsonTextWriter(strw2),student2s); Console.WriteLine(strw2.GetStringBuilder().ToString()); Console.Read(); } /// /// 遍历动态json对象 /// /// json对象的集合 /// json对象的属性 /// json对象的值 public static string GetJsonValue(JEnumerable jToken, string key) { IEnumerator enumerator = jToken.GetEnumerator(); while (enumerator.MoveNext()) { JToken jc = (JToken) enumerator.Current; if (jc is JObject || ((JProperty) jc).Value is JObject) { return GetJsonValue(jc.Children(), key); } else { if (((JProperty) jc).Name == key) { return ((JProperty) jc).Value.ToString(); } } } return null; } /// /// Student类,序列化时用 /// public class Student { /// /// 姓名 /// public string Name { get; set; } /// /// 年龄 /// public int Age { get; set; } } /// /// 修改Studnet类，添加电话号码字段 /// public class Student2 { /// /// 姓名 /// public string Name { get; set; } /// /// 年龄 /// public int Age { get; set; } //电话集合 public List Phones { get; set; } } /// ///Customer 的摘要说明 /// public class Customer { //在序列化前后没有变动 public string a { get; set; } //在序列化前后设置和重置 public string b { get; set; } //设置为null，但在序列化后填充 public string c { get; set; } public string Other { get; set; } public Customer() { // //TODO: 在此处添加构造函数逻辑 // a = ""; b = ""; c = ""; Other = null; } } //应用实例： //result.Data.PayHtml = JsonConvert.DeserializeObject (implResult.ReturnValue.PayInfo.Replace("package", "packagevalue")); //public class WxPrePayIdResponse //{ // public WxPayHtml PayHtml { get; set; } //} ///// ///// 微信要序列成对象的实体参数 ///// //public class WxPayHtml //{ // public string appid { get; set; } // public string partnerid { get; set; } // public string prepayid { get; set; } // public string noncestr { get; set; } // public string timestamp { get; set; } // public string appkey { get; set; } // public string packagevalue { get; set; } // public string sign { get; set; } //}
/*"PayHtml": {
"appid": "wx257b0d84993abd65", "partnerid": "1223710101", "prepayid": "8201038000151225260ec7a972158a17", "noncestr": "41c542dfe6e4fc3deb251d64cf6ed2e4", "timestamp": "1451053391", "appkey": "4VAICNn3cH84oUgvIPiQiRFCxYTmvCMqGl4Afk4dxZsgXGCudgf8tvkKPU40HAXa4M4NOCTN9o4NqbSD7Vo3jd9w3ulZ4l69BG0xlpAQYyjDVMk9brEv4v7HA2kswARc", "packagevalue": "Sign=WXPay", "sign": "e0c1075e4f53f8ed40d37719c3a2a4bac8994f23" }*/}}
上效果：
上附件：
引用 System.Web.Extensions
////// JSON Serializer using JavaScriptSerializer /// public class DefaultJsonSerializer : IJsonSerializer { private readonly JavaScriptSerializer serializer = new JavaScriptSerializer(); ////// Serialize an object to JSON string /// /// object ///JSON string public string Serialize(object obj) { return serializer.Serialize(obj); } ////// Deserialize a JSON string to typed object. /// ///type of object /// JSON string ///typed object public T Deserialize(string json) { return serializer.Deserialize (json); } }
using Newtonsoft.Json;using JsonSerializer = ServiceStack.Text.JsonSerializer;namespace JWT.Tests{ public class ServiceStackJsonSerializer : IJsonSerializer { public string Serialize(object obj) { return JsonSerializer.SerializeToString(obj); } public T Deserialize (string json) { return JsonSerializer.DeserializeFromString (json); } } public class NewtonJsonSerializer : IJsonSerializer { public string Serialize(object obj) { return JsonConvert.SerializeObject(obj); } public T Deserialize (string json) { return JsonConvert.DeserializeObject (json); } }}
////// Provides JSON Serialize and Deserialize. Allows custom serializers used. /// public interface IJsonSerializer { ////// Serialize an object to JSON string /// /// object ///JSON string string Serialize(object obj); ////// Deserialize a JSON string to typed object. /// ///type of object /// JSON string ///typed object T Deserialize(string json); }
https://www.cnblogs.com/yanweidie/p/4605212.html Newtonsoft.Json高级用法
ServiceStack.Text.JsnSerializer
