Unity学习笔记 关于对象与YAML的序列化和反序列化

YAML支持

  • 导入插件:YamlDotNet for Unity

  • 链接:YamlDotNet for Unity
    在这里插入图片描述

序列化

  • 核心方法:Serializer.Serialize()输出序列化结果的字符串,写入本地yaml文件

反序列化

  • 核心方法:Deserializer.Deserializ()读取本地yaml文件,反序列化成目标对象

  • 注意:反序列化的对象一定要有默认的构造函数,否则报错无法反序列化。

完整示例

using System;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
using YamlDotNet.Serialization;
using Object = System.Object;

public class YamlSample : MonoBehaviour
{
    
    
    private class MyClass
    {
    
    
        public string Grade {
    
     get; set; }           // 年级
        public string ClassName {
    
     get; set; }       // 班名
        public string Teacher {
    
     get; set; }         // 班主任  
        public List<Student> Students {
    
     get; set; } // 学生

        public MyClass() {
    
     }
        public MyClass(string grade, string className, string teacher, List<Student> students)
        {
    
    
            Grade = grade;
            ClassName = className;
            Teacher = teacher;
            Students = students;
        }

    }
    
    private class Student
    {
    
    
        public string Name {
    
     get; set; }        // 姓名
        public string StudentID {
    
     get; set; }   // 学号
        public float Height {
    
     get; set; }       // 身高
        
        public Student() {
    
     }
        public Student(string name, string stuID, float height)
        {
    
    
            Name = name;
            StudentID = stuID;
            Height = height;
        }
    }
    
    
    // Start is called before the first frame update
    void Start()
    {
    
    
        // 【示例: 对象 序列化 Yaml】
        
        // 创建对象
        List<Student> myStudents = new List<Student>();
        Student student01 = new Student("小明", "01", 1.74f);
        Student student02 = new Student("小红", "02", 1.66f);
        Student student03 = new Student("小黄", "03", 1.87f);
        myStudents.Add(student01);
        myStudents.Add(student02);
        myStudents.Add(student03);

        MyClass myClass = new MyClass(
            "五年级",
            "(1)班",
            "李老师",
            myStudents
        );
        
        // 序列化为yaml文件
        SerializeYaml(myClass, "C:/Users/xxx/xxx/output.yaml");

        // 【示例: Yaml 反序列化 对象】
        
        // 读取yaml文件反序列化
        MyClass desMyClass = DeserializeYAML<MyClass>("C:/Users/xxx/xxx/output.yaml");
        // 结果显示
        Debug.Log("Yaml反序列化结果");
        Debug.Log($"年级:{
      
      desMyClass.Grade},班级:{
      
      desMyClass.ClassName},班主任{
      
      desMyClass.Teacher}, 学生有:");
        foreach (var student in desMyClass.Students)
        {
    
    
            Debug.Log($"姓名:{
      
      student.Name},学号:{
      
      student.StudentID},身高:{
      
      student.Height}");
        }
        
    }

    /// <summary>
    /// 序列化成YAML
    /// </summary>
    /// <param name="obj"></param>
    /// <param name="path"></param>
    private void SerializeYaml(Object obj, string path)
    {
    
    
        try
        {
    
    
            Serializer yamlSerializer = new Serializer();
            string outputYaml = yamlSerializer.Serialize(obj);
            
            // 结果输出
            File.WriteAllText(path, outputYaml);
        }
        catch (Exception e)
        {
    
    
            Debug.LogWarning(e);
        }
    }

    /// <summary>
    /// 反序列化YAML
    /// </summary>
    /// <param name="path"></param>
    /// <typeparam name="T"></typeparam>
    /// <returns></returns>
    private T DeserializeYAML<T>(string path)
    {
    
    
        try
        {
    
    
            string yamlContent = String.Empty;
            if (File.Exists(path))
            {
    
    
                yamlContent = File.ReadAllText(path);
            }
            
            Deserializer yamlDeserializer = new Deserializer();
            T obj = yamlDeserializer.Deserialize<T>(yamlContent);
            return obj;
        }
        catch (Exception e)
        {
    
    
            Debug.LogWarning(e);
            throw;
        }
    }
}
  • 序列化结果截图
    在这里插入图片描述

  • 反序列化结果截图
    在这里插入图片描述

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