C#按顺序从json读取值

Install-Package Newtonsoft.Json

using Newtonsoft.Json;
using System;
using System.Collections.Generic;

public class Person
{
    public string FirstName { get; set; }
    public string LastName { get; set; }
    public int Age { get; set; }
}

class Program
{
    static void Main()
    {
        string json = @"{""FirstName"": ""John"",""LastName"": ""Doe"",""Age"": 30}";

        // 反序列化JSON到对象
        Person person = JsonConvert.DeserializeObject<Person>(json);

        // 按顺序读取值
        Console.WriteLine($"First Name: {person.FirstName}");
        Console.WriteLine($"Last Name: {person.LastName}");
        Console.WriteLine($"Age: {person.Age}");
    }
}

using System;
using System.Text.Json;

public class Person
{
    public string FirstName { get; set; }
    public string LastName { get; set; }
    public int Age { get; set; }
}

class Program
{
    static void Main()
    {
        string json = @"{""FirstName"": ""John"",""LastName"": ""Doe"",""Age"": 30}";

        // 反序列化JSON到对象
        Person person = JsonSerializer.Deserialize<Person>(json);

        // 按顺序读取值
        Console.WriteLine($"First Name: {person.FirstName}");
        Console.WriteLine($"Last Name: {person.LastName}");
        Console.WriteLine($"Age: {person.Age}");
    }
}

try
{
    Person person = JsonSerializer.Deserialize<Person>(json);
}
catch (JsonException ex)
{
    Console.WriteLine($"JSON解析错误: {ex.Message}");
}