可定时执行的Web日志自动压缩清理程序

    对于广大的Web开发人员,维护Web访问日志是一件经常性的工作,随着时间和访问量的提升,Web日志所占用的空间也会越来越大,如果将旧日志文件进行压缩会大大提升服务器硬盘空间的利用率,也方便日志文件的下载,手工操作总是比较繁琐的所以就写了下面的自动化程序,给大家分享一下

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

namespace WinCodeTest
{
    /// <summary>
    /// Web日志文件备份
    /// </summary>
    class FileZip
    {

        static List<string> listFile = new List<string>();

        public static void ZipLog()
        {
            //   Create   a   new   Timer   with   Interval   set   to   10   seconds.   
            System.Timers.Timer aTimer = new System.Timers.Timer(1000);
            aTimer.Elapsed += new ElapsedEventHandler(RunZip);
            //   Only   raise   the   event   the   first   time   Interval   elapses.   
            aTimer.AutoReset = true;
            aTimer.Enabled = true;

            Console.WriteLine("The Task Is Running... write 'q' exit");
            while (Console.Read() != 'q') ;
        }

        /// <summary>
        /// 遍历文件夹将所有文件进行压缩
        /// </summary>
        private static void RunZip(object source, ElapsedEventArgs e)
        {
            //存放日志文件的目录
            string filePath = @"D:\WebLog\";

            DateTime formatDate = Convert.ToDateTime(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
            DateTime startTime = Convert.ToDateTime(DateTime.Now.ToString("yyyy-MM-dd 02:10:00"));
            //定时执行时间判断
            double ts = (formatDate - startTime).TotalSeconds;
            if (ts == 0)
            {
                GetAllFiles(filePath);
                foreach (string file in listFile)
                {
                    Console.WriteLine(DateTime.Now+"-=|备份:" + file);
                    ZipFile(file);
                }
                Console.WriteLine(DateTime.Now + "任务结束");
            }
        }

        /// <summary>
        /// 遍历目录下所有文件
        /// </summary>
        /// <param name="filePath"></param>
        private static void GetAllFiles(string filePath)
        {
            //递归遍历所有子文件夹
            string[] dir = Directory.GetDirectories(filePath);
            for (int n = 0; n < dir.Length; n++)
            {
                GetAllFiles(dir[n]);
            }

            //保存文件夹内的文件路径 log文件
            string[] file = Directory.GetFiles(filePath,"*.log");
            for (int i = 0; i < file.Length; i++)
            {
                FileInfo fi = new FileInfo(file[i]);
                //将两天前的日志加入压缩文件列表
                if (fi.LastWriteTime < DateTime.Now.AddDays(-2))
                {
                    
                    listFile.Add(file[i]);
                }

                
            }

            //删除25天前的备份文件 rar文件
            string[] fileRar = Directory.GetFiles(filePath, "*.rar");
            for (int i = 0; i < fileRar.Length; i++)
            {
                FileInfo fi = new FileInfo(fileRar[i]);
                
                if (fi.LastWriteTime < DateTime.Now.AddDays(-25))
                {
                    Console.WriteLine(DateTime.Now + "-=|删除:" + fileRar[i]);
                    fi.Delete();
                    
                }


            }
        }

        /// <summary>
        /// 根据文件路径压缩[删除源文件(-df);不包含文件路径(-ep)]
        /// </summary>
        /// <param name="str">文件路径</param>
        /// <returns></returns>
        private static string ZipFile(string strFileName)
        {
            string fullFileName = strFileName;

            System.IO.FileInfo fi = new System.IO.FileInfo(fullFileName);
            
            string FileName = @"C:\Program Files\WinRAR\Rar.exe";   //Winrar软件的安装目录,也可以将'rar.exe'放在程序的运行目录,不过需要更改一下路径
            //执行压缩的命令,可以查看winrar软件的帮助文档,里面有详细的说明
            string command = "-df -ep -tl -or a " + fi.Directory + @"\" + fi.Name.Replace(fi.Extension, "") + ".rar " + fullFileName;
            
            System.Diagnostics.Process p = new System.Diagnostics.Process();
            string ResultStr;
            p.StartInfo.FileName = FileName;
            p.StartInfo.Arguments = " " + command;
            p.StartInfo.UseShellExecute = false;
            p.StartInfo.RedirectStandardInput = true;
            p.StartInfo.RedirectStandardOutput = true;
            p.StartInfo.RedirectStandardError = true;
            p.StartInfo.CreateNoWindow = true;
            p.StartInfo.ErrorDialog = false;
            p.StartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
            try
            {
                p.Start();
                ResultStr = p.StandardError.ReadToEnd();
                p.Close();
                return ResultStr;
            }
            catch (Exception ex)
            {
                return ex.Message.ToString();
            }
        } 
    }
}