DevicesServiceIntern/DevicesService/Commen/Log.cs

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

namespace DevicesService.Commen
{
   public class Log
    {
        private static StreamWriter streamWriter; //写文件    

        public static void Error(string message)
        {
            try
            {
                //DateTime dt = new DateTime();  
                string directPath = AppDomain.CurrentDomain.BaseDirectory + "\\logs\\error";    //在获得文件夹路径  
                if (!Directory.Exists(directPath))   //判断文件夹是否存在，如果不存在则创建  
                {
                    Directory.CreateDirectory(directPath);
                }
                directPath += string.Format(@"\{0}.log", DateTime.Now.ToString("yyyy-MM-dd"));
                if (streamWriter == null)
                {
                    streamWriter = !File.Exists(directPath) ? File.CreateText(directPath) : File.AppendText(directPath);   
                }
                streamWriter.WriteLine("***********************************************************************");
                streamWriter.WriteLine(DateTime.Now.ToString("HH:mm:ss"));
                streamWriter.WriteLine("输出信息：错误信息");
                if (message != null)
                {
                    streamWriter.WriteLine("异常信息：\r\n" + message);
                }
            }
            finally
            {
                if (streamWriter != null)
                {
                    streamWriter.Flush();
                    if (streamWriter != null) {
                        streamWriter.Dispose();
                        streamWriter = null;
                    }
                }
            }
        }

        public static void Info(string message)
        {
            try
            {
                //DateTime dt = new DateTime();  
                string directPath = AppDomain.CurrentDomain.BaseDirectory + "\\logs\\Info";    //在获得文件夹路径  
                if (!Directory.Exists(directPath))   //判断文件夹是否存在，如果不存在则创建  
                {
                    Directory.CreateDirectory(directPath);
                }
                directPath += string.Format(@"\{0}.log", DateTime.Now.ToString("yyyy-MM-dd"));
                if (streamWriter == null)
                {
                    streamWriter = !File.Exists(directPath) ? File.CreateText(directPath) : File.AppendText(directPath);
                }
                streamWriter.WriteLine("***********************************************************************");
                streamWriter.WriteLine(DateTime.Now.ToString("HH:mm:ss"));
                streamWriter.WriteLine("输出信息：信息");
                if (message != null)
                {
                    streamWriter.WriteLine("信息：\r\n" + message);
                }
            }
            finally
            {
                if (streamWriter != null)
                {
                    streamWriter.Flush();
                    if (streamWriter != null)
                    {
                        streamWriter.Dispose();
                        streamWriter = null;
                    }
                }
            }
        }
    }
}