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

namespace _5_6
{
    class Program
    {
        public const string TO_FILE = @"E:\c#\c#_net\15_6\test.txt";
        public const string COPY_TO_FILE = @"E:\c#\c#_net\15_6\test2.txt";
        public const string MOVE_TO_FILE = @"E:\c#\c#_net\15_6\test.mov";

        static void Main(string[] args)
        {
            Console.WriteLine(File.Exists(TO_FILE)); //Exists 方法，当路径参数不对时抛出异常
            Console.WriteLine(File.Exists("E:\\c#\\c#_net\\15_6"));
            File.Copy(TO_FILE, COPY_TO_FILE, true);          //copy抛出多种异常
            File.Move(TO_FILE, MOVE_TO_FILE); //可以跨越磁盘卷工作，当目标和源相同时不抛出异常
            File.Delete(TO_FILE);    //当要删除的文件不存在时，delete 方法不抛出异常
        }
    }
}

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