smart-bow-infrared/Assets/ShotSimulator/Scripts/Tool/FileTool.cs

using LitJson;
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;

public class FileTool
{
    public static JsonData ReadJson(string path)
    {
        try
        {
            if (File.Exists(path))
            {
                FileStream fs = new FileStream(path, FileMode.Open);
                StreamReader sr = new StreamReader(fs);
                JsonData values = JsonMapper.ToObject(sr.ReadToEnd());
                if (fs != null)
                {
                    fs.Close();
                }
                if (sr != null)
                {
                    sr.Close();
                }
                return values;
            }
        }
        catch (Exception e)
        {
            Debug.LogException(e);
        }

        return null;
    }
}