LitJson

public class Student2
{
    public string name;
    public int age;
    public Student2(int age, string name)
    {
        this.age = age;
        this.name = name;
    }
}
public class Robot2
{
    public string name = "robot";
    public int age = 5;
    public bool gender = true;
    public int[] ids;
    public List<int> ids2;
    public Dictionary<int, string> dic;
    public Student2 s1;
    private float f = 1.4f;
}
public class L2 : MonoBehaviour
{
    // Start is called before the first frame update
    void Start()
    {
        //使用LitJson进行序列化
        //JsonMapper.ToJson(对象)
        Robot2 robot = new Robot2();
        robot.ids = new int[] { 1, 2, 4 };
        robot.ids2 = new List<int>() { 1, 2, 3 };
        robot.dic = new Dictionary<int, string>() { { 1, "123" }, { 2, "234" } };
        robot.s1 = new Student2(1, "bobo");

        string jsonStr =  JsonMapper.ToJson(robot);
        print(Application.persistentDataPath);
        File.WriteAllText(Application.persistentDataPath + "/robot2.json", jsonStr);

        //LitJson支持字典,且为null的值在存储时也会存储null
        //在自定义类前不需要加特性,但是私有的成员变量不能被序列化

        //使用LitJson进行反序列化
        //JsonMapper.ToObject(json字符串);
        jsonStr = File.ReadAllText(Application.persistentDataPath + "/robot2.json");
        //JsonData是LitJson提供的类对象,可以用键值对的形式去访问其中的内容
        //JsonData data = JsonMapper.ToObject(jsonStr);
        //print(data["name"]);
        //print(data["age"]);

        Robot2 robot2 =  JsonMapper.ToObject<Robot2>(jsonStr);
        //虽然支持字典,但如果键是数值在反序列化时会报错
        //反序列化自定义类时,自定义类需要有无参无返回值的构造函数,否则会报错
        //LitJson可直接读取数据集合
    }
}