using Newtonsoft.Json;
using System;
using System.IO;

namespace Production_Oil.Common
{
    public class JsonHelper
    {
        /// <summary>
        /// 读取Json文件
        /// </summary>
        /// <param name="filePath">文件路径</param>
        /// <returns></returns>
        public static string ReadJsonFile(string filePath)
        {
            try
            {
                if (!File.Exists(filePath))
                {
                    throw new FileNotFoundException(filePath);
                }
                return File.ReadAllText(filePath);
            }
            catch (Exception)
            {
                return string.Empty;
            }
        }
        /// <summary>
        /// 将实体类序列化字符串
        /// </summary>
        /// <typeparam name="T">实体类</typeparam>
        /// <param name="t"></param>
        /// <returns></returns>
        public static string SerializeObject<T>(T t)
        {
            try
            {
                return JsonConvert.SerializeObject(t);
            }
            catch (Exception ex)
            {
                return string.Empty;
            }
        }

        /// <summary>
        /// 将对象序列化为json格式
        /// </summary>
        /// <param name="obj">序列化对象</param>
        /// <returns>json字符串</returns>
        public static string SerializeObjct(object obj)
        {
            try
            {
                return JsonConvert.SerializeObject(obj);
            }
            catch (Exception)
            {
                return string.Empty;
            }
        }
        /// <summary>
        /// 解析JSON字符串生成对象实体
        /// </summary>
        /// <typeparam name="T">实体类</typeparam>
        /// <param name="json">JSON字符串</param>
        /// <returns></returns>
        public static T JsonConvertObject<T>(string json)
        {
            try
            {
                return JsonConvert.DeserializeObject<T>(json);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}