创建记录文件类

using System;
using System.IO;
namespace Log
{
    /// <summary>
    /// Err 的摘要说明。
    /// </summary>
    public  class WirteLog
    {
        //日志文件大小
        private  int FileSize;
        private string FileLogPath;
        public WirteLog()
        {
            //初始化大于20480,日志文件将自动删除;
            FileSize=20480;//20KB
            //默认路径
            this.FileLogPath="d:\\Vod_Log\\";
        }
        
        //定义日志文件大小
        public int  fileSize
        {
            set
            {
                FileSize=value;
            }
            get
            {
                return FileSize;
            }
        }
        //日志文件的路径;
        public string fileLogPath
        {
            set
            {
                this.FileLogPath=value;
            }
            get
            {
                return this.FileLogPath;
            }
        }

        public void WirteLog(string LogFileName,string Message)
        {
            
            //DirectoryInfo path=new DirectoryInfo(LogFileName);
            //如果日志文件目录不存在,则创建
            if(!Directory.Exists(this.FileLogPath))
            {
                Directory.CreateDirectory(this.FileLogPath);
            }
        
            FileInfo finfo=new  FileInfo(this.FileLogPath+LogFileName);
            if(finfo.Exists&&finfo.Length>FileSize)
            {
                finfo.Delete();
            }
            try
            {
                FileStream fs=new FileStream(this.FileLogPath+LogFileName,FileMode.Append);
                try
                {
                    StreamWriter strwriter=new StreamWriter(fs);
                    DateTime d=DateTime.Now;
                    
                    strwriter.WriteLine(Message);
                
                    strwriter.Flush();
                    strwriter.Close();
                    strwriter=null;
                    fs.Close();
                    fs=null;

                }
                catch(Exception ee)
                {
                    Console.WriteLine("日志文件写入失败信息:"+ee.ToString());
                    
                }
            }
            catch(Exception ee)
            {
                Console.WriteLine("日志文件没有打开,详细信息如下:"+ee.ToString());
                
            }
        }


        

    }
}