操作文件

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

namespace Util
{
    public class WriteFile
    {
        public static void WriteText(string fileName, string content)
        {
            TextWriter tw = new StreamWriter(fileName, false);
            tw.WriteLine(content);
            tw.Close();
        }

        public static string ReadText(string fileName)
        {
            TextReader tr = new StreamReader(fileName);
            string content = tr.ReadToEnd();
            tr.Close();
            return content;
        }
    }
}