Unity 读取Json文件、创建Json文件

using System.IO;
using UnityEngine;

public class ReadJson:MonoBehaviour {
    public static TestSetting test = new TestSetting();
    //文件路径
    public static string JsonPath;
    public static string TM;
    public static string PDD1;
    public static string PDD2;
    public static string JD1;
    public static string JD2;
    public static string SH;

    public static string AndroidDirectory = "/storage/emulated/0/Android/资源/配置文件/";//安卓路径
    public static string WindowsDirectory = System.Environment.CurrentDirectory + "/资源/配置文件/";//Windows路径
    [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.AfterSceneLoad)]
    public static void Start() {

        // Windows设置
        print(Directory.Exists(WindowsDirectory)+ "Windows设置");
        if(Directory.Exists(WindowsDirectory)) {
            JsonPath = WindowsDirectory + "Config.json";
            print("Windows:Json文件已创建无需创建");
            ReadMyJson();
            return;
        } else if(!Directory.Exists(WindowsDirectory)) {
            Directory.CreateDirectory(WindowsDirectory);//不存在则创建
            StreamWriter sw = new StreamWriter(WindowsDirectory + "Config.json");
            sw.WriteLine("{\r\n\r\n    \"Port\": \"10086\",\r\n    \"PDD1\": \"0\",\r\n    \"PDD2\": \"0\",\r\n    \"JD1\": \"0\",\r\n    \"JD2\": \"1920\",\r\n    \"SH\": \"1080\"\r\n}");
            sw.Close();
            JsonPath = WindowsDirectory + "Config.json";
            print("Windows:创建新的Json文件");
            ReadMyJson();
            return;
        }

        // Android设置
        print(Directory.Exists(AndroidDirectory) + "Android设置");
        if(Directory.Exists(AndroidDirectory)) {
            JsonPath = AndroidDirectory + "Config.json";
            print("Android:Json文件已创建无需创建");
            ReadMyJson();
            return;
        } else if(!Directory.Exists(AndroidDirectory)) {
            Directory.CreateDirectory(AndroidDirectory);//不存在则创建
            StreamWriter sw = new StreamWriter(AndroidDirectory + "Config.json");
            sw.WriteLine("{\r\n\r\n    \"Port\": \"10086\",\r\n    \"PDD1\": \"0\",\r\n    \"PDD2\": \"0\",\r\n    \"JD1\": \"0\",\r\n    \"JD2\": \"1920\",\r\n    \"SH\": \"1080\"\r\n}");
            sw.Close();
            JsonPath = AndroidDirectory + "Config.json";
            print("Android:创建新的Json文件");
            ReadMyJson();
            return;
        }

    }

    //读取方法
    public static void ReadMyJson() {
        string jsonString = File.ReadAllText(JsonPath);
        TestSetting mytest = JsonUtility.FromJson<TestSetting>(jsonString);
        test = mytest;
        TM = mytest.TM;
        PDD1 = mytest.PDD1;
        PDD2 = mytest.PDD2;
        JD1 = mytest.JD1;
        JD2 = mytest.JD2;
        SH = mytest.SH;
        print("端口号：" + TM);
        print("倒计时：" + PDD1);

    }
}

//数据类型，用来存储从json中读到的键值对
public struct TestSetting {
    public string TM;
    public string PDD1;
    public string PDD2;
    public string JD1;
    public string JD2;
    public string SH;
}