Unity 读取Json文件、创建Json文件

1.储存在外部设置

2.Android的时候.json文件没法编辑，可以修改成.txt格式。WPS修改后再改回后缀名。

/// <summary>
/// /storage/emulated/0/ Android 外置内存根目录
/// Application.persistentDataPath; 来检测Android 外置内存根目录的方法
/// </summary>

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Runtime.Serialization.Json;
using System.Text;
using System.Xml;
using UnityEngine;
using UnityEngine.UI;

public class ReadJson:MonoBehaviour {
    public static TestSetting test = new TestSetting();
    //文件路径
    public static string JsonPath;
    public static int Port;
    public static int CutTime;
    public static int exeX;
    public static int exeY;
    public static int exeWhith;
    public static int exeHeight;
    public static string IP;
    public static string str;
    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() {


#if UNITY_ANDROID
        str = "这里是安卓设备";
        Debug.Log("这里是安卓设备");
        // Android设置
        if(Directory.Exists(AndroidDirectory)) {
            JsonPath = AndroidDirectory + "Config.json";
        } 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    \"Port\": \"10086\",\r\n    \"IP\": \"192.168.0.6\",\r\n    \"CutTime\": \"0\",\r\n    \"exeX\": \"0\",\r\n    \"exeY\": \"0\",\r\n    \"exeWhith\": \"1920\",\r\n    \"exeHeight\": \"1080\"\r\n}");
            sw.Close();
            JsonPath = AndroidDirectory + "Config.json";
        }

#endif



#if UNITY_STANDALONE_WIN
        Debug.Log("我是从Windows的电脑上运行的");
        str = "我是从Windows的电脑上运行的";
        // Windows设置
        if(Directory.Exists(WindowsDirectory)) {
            JsonPath = WindowsDirectory + "Config.json";
        } 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    \"Port\": \"10086\",\r\n    \"IP\": \"192.168.0.6\",\r\n    \"CutTime\": \"0\",\r\n    \"exeX\": \"0\",\r\n    \"exeY\": \"0\",\r\n    \"exeWhith\": \"1920\",\r\n    \"exeHeight\": \"1080\"\r\n}");
            sw.Close();
            JsonPath = WindowsDirectory + "Config.json";
        }
#endif


        ReadMyJson();
    }


    //读取方法
    public static void ReadMyJson() {
        string jsonString = File.ReadAllText(JsonPath);
        TestSetting mytest = JsonUtility.FromJson<TestSetting>(jsonString);
        test = mytest;
        Port = mytest.Port;
        CutTime = mytest.CutTime;
        exeX = mytest.exeX;
        exeY = mytest.exeY;
        exeWhith = mytest.exeWhith;
        exeHeight = mytest.exeHeight;
        IP = mytest.IP;
        print("端口号：" + Port);
        print("倒计时：" + CutTime);

    }
}


//数据类型，用来存储从json中读到的键值对
public struct TestSetting {
    public int Port;
    public int CutTime;
    public int exeX;
    public int exeY;
    public int exeWhith;
    public int exeHeight;
    public string IP;
}