using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.IO;//添加引用System.IO

namespace ConsoleApplication1

{

    class Program

    {

        static void Main(string[] args)

        {

            //字符串数组用System.IO.File.WriteAllLine比较好

            //路径和文件名、字符串数组名字、最后加上Encoding.Default，防止编码问题

            string[] a=new string[]{"","",""};

            File.WriteAllLines("E:\\try.txt",a,Encoding.Default);

            //字符串用System.IO.File.WriteAllText比较好

            //路径和文件名、字符串名字、最后加上Encoding.Default，防止编码问题

            string b = "";

            File.WriteAllText("E:\\try.txt", b, Encoding.Default);

            Console.WriteLine("over");

            Console.ReadKey();

        }

    }

}