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wy

2022-09-26 5235dde103124f973102dd9f6eca4465f53718c0

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 WebAPI/LogService.cs

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using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace WebAPI
{
    public class LogService
    {
        private static readonly object lockObj = new object();

        public static void WriteAsync(object obj, string filePath = "Vlog", bool isAppend = true)
        {
            Task.Run(() =>
            {
                Write(obj, filePath, isAppend);
            });
        }

        public static void WriteAsync<T>(object obj, string filePath = "Vlog", bool isAppend = true)
        {
            Task.Run(() =>
            {
                Write(obj, $@"{filePath}\{typeof(T).Name}", isAppend);
            }); 
        }

        #region 日志
        public static void Write(object obj, string filePath = "Vlog", bool isAppend = true)
        {
            try
            {
                lock (lockObj)
                {
                    filePath = $@"{filePath}\webapi{DateTime.Now.ToString("yyyyMMdd")}.txt";

                    filePath = AppDomain.CurrentDomain.BaseDirectory + filePath;

                    if (!System.IO.Directory.Exists(Path.GetDirectoryName(filePath)))
                    {
                        System.IO.Directory.CreateDirectory(Path.GetDirectoryName(filePath));
                    }

                    bool fileExists = System.IO.File.Exists(filePath);
                    //不存在 则创建该文件
                    if (!fileExists)
                    {
                        System.IO.File.Create(filePath).Close();
                    }

                    using (StreamWriter writer = new StreamWriter(filePath, isAppend))
                    {
                        //存在的时候才写一行
                        if (fileExists && isAppend)
                        {
                            writer.WriteLine();
                        }

                        var content = obj is string ? obj : JsonConvert.SerializeObject(obj);
                        writer.WriteLine($"{DateTime.Now} {content}");
                    }
                }
            }
            catch (Exception ex)
            {
            }
        }
        #endregion
    }
}