Filestream和Byte[]之间的转换

Code
 1using System;
 2using System.IO;
 3using System.IO.Compression;
 4
 5public class DeflateTest
 6{
 7    //读filename到byte[]
 8    public static byte[] ReadFile(string fileName)
 9    {
        FileStream fs = new FileStream(fileName,FileMode.OpenOrCreate);
        byte[] buffer = new byte[fs.Length];
        try
        {
            fs.Read(buffer, 0, buffer.Length);
            fs.Seek(0, SeekOrigin.Begin);
            return buffer;
        }
        catch
        {
            return buffer;
        }
        finally
        {
            if (fs != null)
                fs.Close();
        }
    }
    //写byte[]到fileName
    public static bool WriteFile(byte[] pReadByte, string fileName)
    {
        FileStream fs = new FileStream(fileName, FileMode.OpenOrCreate);
        try
        {
            fs.Write(pReadByte, 0, pReadByte.Length);
        }
        catch
        {
            return false;
        }
        finally
        {
            if (fs != null)
                fs.Close();
        }
        return true;
    }


    public static void Main(string[] args)
    {
        byte[] b = ReadFile(@"d:/a.jpg");
        if (WriteFile(b, @"d:/a3.jpg"))
        {
            Console.WriteLine("Success");
        }
        else
        {
            Console.WriteLine("Sorry");
        }
        Console.ReadLine();
    }
}