everlight.eap/backend/DllEapFileUpload/BLL/LogBLL.cs

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

namespace DllEapFileUpload
{
    public class LogBLL
    {
        //public static readonly object objLock = new object();
        //    Path.DirectorySeparatorChar: '\'
        //    Path.AltDirectorySeparatorChar: '/'正斜杠 (/) 字符。 它是 Unix 系统上唯一可识别的目录分隔符
        public static void Err(string msg, Exception ex)
        {
            string s = "err:" + msg + ":" + ex.Message;
            string filepathname = AppDomain.CurrentDomain.BaseDirectory + "socketlog";


            string filename = filepathname + Path.AltDirectorySeparatorChar + DateTime.Now.ToString("yyyy-MM-dd HH") + ".txt";

            if (!Directory.Exists(filepathname))//验证路径是否存在
            {
                Directory.CreateDirectory(filepathname);
                //不存在则创建
            }
            FileStream fs;
            StreamWriter sw;
            if (File.Exists(filename))
            //验证文件是否存在，有则追加，无则创建
            {
                fs = new FileStream(filename, FileMode.Append, FileAccess.Write);
            }
            else
            {
                fs = new FileStream(filename, FileMode.Create, FileAccess.Write);
            }
            sw = new StreamWriter(fs);
            //sw.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH-mm-ss") );
            sw.WriteLine(s);
            sw.WriteLine("time:" + DateTime.Now.ToString());
            sw.WriteLine("----------------------------------");

            sw.Close();
            fs.Close();
        }

        public static void Err(string msg)
        {
            string s = "Msg:" + msg;
            string filepathname = AppDomain.CurrentDomain.BaseDirectory + "socketlog";
            string filename = filepathname + Path.AltDirectorySeparatorChar + DateTime.Now.ToString("yyyy-MM-dd") + ".txt";
            if (!Directory.Exists(filepathname))//验证路径是否存在
            {
                Directory.CreateDirectory(filepathname);
                //不存在则创建
            }
            FileStream fs;
            StreamWriter sw;
            if (File.Exists(filename))
            //验证文件是否存在，有则追加，无则创建
            {
                fs = new FileStream(filename, FileMode.Append, FileAccess.Write);
            }
            else
            {
                fs = new FileStream(filename, FileMode.Create, FileAccess.Write);
            }
            sw = new StreamWriter(fs);
            //sw.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH-mm-ss") );
            sw.WriteLine(s);
            sw.WriteLine("time:" + DateTime.Now.ToString());
            sw.WriteLine("----------------------------------");

            sw.Close();
            fs.Close();
        }
    }
}