二进制和纯文本数据的读写

引用别人的，这里做个纪录

using System;
using System.IO;
using System.Text;

namespace ConsoleApplication6
{
    class Program
    {
        public static void Main(string[] args)
        {
            double[,] r = { { 2, 3 }, { 4, 5 } };

            //文本方式
            using (StreamWriter sw = new StreamWriter("1.txt", false))
            {
                foreach (double d in r)
                {
                    sw.Write(d);
                    sw.Write(" ");
                }
            }
            string[] temp = File.ReadAllText("1.txt", Encoding.Default).Split(new char[] { ' ' });
            int i = 0;
            for (int y = 0; y < 2; y++)
                for (int x = 0; x < 2; x++)
                {
                    r[y, x] = Double.Parse(temp[i]);
                    i++;
                    
                }
            Console.WriteLine("");
            //二进制方式
            using (FileStream fs = new FileStream("1.bin", FileMode.Create, FileAccess.Write))
            {
                using (BinaryWriter bw = new BinaryWriter(fs))
                {
                    foreach (double d in r)
                    {
                        bw.Write(d);
                    }
                }
            }
            using (FileStream fs = new FileStream("1.bin", FileMode.Open, FileAccess.Read))
            {
                using (BinaryReader br = new BinaryReader(fs))
                {
                    for (int y = 0; y < 2; y++)
                        for (int x = 0; x < 2; x++)
                        {
                            r[y, x] = br.ReadDouble();
                        }
                }
            }
        }
    }
}