C# StreamWriter写入文件

C# StreamWriter写入文件

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace W
{
    class Program
    {
        static void Main(string[] args)
        {
            using (StreamWriter sw = new StreamWriter (@"c:\1.txt",true,Encoding.UTF8))
            {
                for (int i = 0; i < 100; i++)
                {
                    sw.WriteLine(i);
                }
            }
            Console.WriteLine("写入完毕！");
        }
    }
}