C# File类，文件读取，编码

来源：互联网发布：数据库管理范式编辑：程序博客网时间：2024/06/13 18:18
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.IO;namespace _14File类的操作{    class Program    {        static void Main(string[] args)        {            //File   静态类            //Exist()：判断指定的文件是否存在            //Create():创建            //Move():剪切            //Copy():复制            //Delete()：删除            //if (!File.Exists("1.txt"))            //{            //    File.Create("1.txt");            //}            //if (File.Exists("1.txt"))            //{            //    File.Delete("1.txt");            //}            //            //File.Copy(@"C:\Users\SpringRain\Desktop\english.txt", @"D:\aaaaaa.txt");            //Console.WriteLine("操作成功");            //File.Move(@"D:\aaaaaa.txt", @"C:\Users\SpringRain\Desktop\bbbbbb.txt");            //ReadAllLines()默认采用的编码格式是utf-8            //string[] str = File.ReadAllLines(@"C:\Users\SpringRain\Desktop\english.txt");            //ReadAllText()默认采用的编码格式也是utf-8            //string str = File.ReadAllText(@"C:\Users\SpringRain\Desktop\english.txt");            //Console.WriteLine(str);            //byte[] buffer = File.ReadAllBytes(@"C:\Users\SpringRain\Desktop\english.txt");            ////字节数组---->字符串            //string str = Encoding.UTF8.GetString(buffer);            //Console.WriteLine(str);            //string str="张三李四王五百家姓";            ////字符串--->字节数组            //byte[] buffer= Encoding.Default.GetBytes(str);            //File.WriteAllBytes(@"C:\Users\SpringRain\Desktop\121212.txt", buffer);            //Console.WriteLine("写入成功");            //Console.ReadKey();            //File.WriteAllLines(@"C:\Users\SpringRain\Desktop\121212.txt", new string[] { "a", "b" });            //File.WriteAllText(@"C:\Users\SpringRain\Desktop\121212.txt", "c");            //byte[] buffer = new byte[3];            //Console.WriteLine(buffer.ToString());  //字节数组---->所在的命名空间，ToString使用较少，MD5使用ToString()            //18 99 221 我爱你            //Encoding.Default.GetString();   //字节数组---->字符串        }    }}
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