using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using System.IO;namespace FileTest{    class Program    {        static void Main(string[] args)        {            WriteFile();            ReadFile();            Console.ReadKey();        }        /// <summary>        /// 写、读文件        /// </summary>        static void WriteFile()        {            string pathUrl = @"E:\我的任务\其他\MyCodes_VS2013\MyCodes\TestFolder\WriteAndReadFile.txt";            try            {                if (File.Exists(pathUrl))                {                    #region 向文件写入数据                    Console.WriteLine("");                    //以WriteAllBytes方式向文件中写入数据                    Console.WriteLine("以WriteAllBytes方式向文件中写入数据");                    byte[] contentInByte = Encoding.GetEncoding("gb2312").GetBytes("以WriteAllBytes方式向文件中写入数据。"); ;                    File.WriteAllBytes(pathUrl, contentInByte);                    Console.WriteLine("");                    //以WriteAllLines方式向文件中写入数据                    Console.WriteLine("以WriteAllLine方式向文件中写入数据");                    string[] contentInString = new string[] { "以WriteAllLine方式向文件中写入数据。" };                    File.WriteAllLines(pathUrl, contentInString, Encoding.GetEncoding("gb2312"));                    Console.WriteLine("");                    //以WriteAllText方式向文件中写入数据                    Console.WriteLine("以WriteAllText方式向文件中写入数据");                    File.WriteAllText(pathUrl, "以WriteAllText方式向文件中写入数据。", Encoding.GetEncoding("gb2312"));                    #endregion                }                else                {                    File.Create(pathUrl);                }            }            catch (Exception ex)            {                Console.WriteLine(ex.Message + ex.StackTrace);            }        }        static void ReadFile()        {            string pathUrl = @"E:\我的任务\其他\MyCodes_VS2013\MyCodes\TestFolder\WriteAndReadFile.txt";            try            {                if (File.Exists(pathUrl))                {                    Console.WriteLine("");                    #region 读取文件数据                    //以ReadAllBytes方式读取数据                    Console.WriteLine("以ReadAllBytes方式读取文件数据：");                    byte[] readContentInByte = File.ReadAllBytes(pathUrl);                    Console.WriteLine(Encoding.GetEncoding("gb2312").GetString(readContentInByte));                    Console.WriteLine("");                    //以ReadAllLine方式读取数据                    Console.WriteLine("以ReadAllLine方式读取文件数据：");                    string[] readContentInString = File.ReadAllLines(pathUrl, Encoding.GetEncoding("gbk"));                    Console.WriteLine(readContentInString.Aggregate(string.Empty, (result, current) => result += current));                    Console.WriteLine("");                    //以ReadAllText方式读取数据                    Console.WriteLine("以ReadAllTex方式读取文件数据：");                    Console.WriteLine(File.ReadAllText(pathUrl, Encoding.GetEncoding("GBK")));                    #endregion                }                else                {                    File.Create(pathUrl);                }            }            catch (Exception ex)            {                Console.WriteLine(ex.Message + ex.StackTrace);            }        }    }}