log记录日志

//记录日志信息
public class Log
{
    public static void LogMsg(int type,string name,string msg)
    {
        //日志存放的路径
        string path = @"d:\log\";
        //文件名以时间命名
        string file = DateTime.Now.ToShortDateString ()+".txt";
        FileStream fs = null;
        //判断文件是否存在
        if(!File.Exists(file)){
            fs = File.Create(path+file);
        }else{
    //文件存在，FileMode.Append直接追加到文件的下一行,FileMode.Create则是每次都把原来的覆盖掉，文件中只保存一条文档，如果不存在则创建
    
            fs = File.Open(path+file,FileMode.Append);
        }

        StreamWriter sw = new StreamWriter(fs);
//using限制着文件流的开关
        using(sw)
        {
            string content = "";
            if(type==0)
            {
                content = "["+name+"] -- "+DateTime.Now.ToString()+"  --  结果:"+msg;
            }
            else
            {
                content = "["+name+"] -- "+DateTime.Now.ToString()+"  --  结果:失败，原因:"+msg;
            }
            //按行写入
            sw.WriteLine(content);    
        }
    }

}     

string path = "@/log/"; //定义上传路径  
StreamReader smRead = new StreamReader(path,   
System.Text.Encoding.Default);
string[] strs =smRead.ReadAllLines();// 按行读取

public static void Main()
    {
        FileStream fr = new FileStream(@"g:\变节-潜罪犯.mkv",FileMode.Open);
        FileStream fw = null;
        //判断文件是否存在
        if(!File.Exists(@"d:\变节-潜罪犯.mkv"))
        {
            fw = new FileStream(@"d:\变节-潜罪犯.mkv",FileMode.Create);
        }
        else
        {
            Console.WriteLine("文件已经存在，是否覆盖?Y/N");
            if(Console.ReadLine().ToLower()=="y")
            {
                fw =  new FileStream(@"d:\变节-潜罪犯.mkv",FileMode.Create);
            }
        }
        byte[] buffer = new byte[1024*4];
        //获得总长度
        long size = fr.Length;
        int readsize = 0;
        using(fr)
        {
            using(fw)
            {
                int i = 0;
                while((i=fr.Read(buffer,0,buffer.Length))!=0)
                {    
                    
                        //获得已经读取的字节数
                        readsize+=i;
                        //计算百分比
                        double d = (double)readsize/size *100 ;
                        Console.WriteLine(d.ToString("0.0")+"%");
                        fw.Write(buffer,0,i);
                    
                }
            }
        }

    }