object与byte[]的相互转换、文件与byte数组相互转换

转载自   https://blog.csdn.net/scimence/article/details/52233656

object与byte[]互转

/// <summary>
/// 工具类：对象与二进制流间的转换
/// </summary>
class ByteConvertHelper
{
    /// <summary>
    /// 将对象转换为byte数组
    /// </summary>
    /// <param name="obj">被转换对象</param>
    /// <returns>转换后byte数组</returns>
    public static byte[] Object2Bytes(object obj)
    {
        byte[] buff;
        using (MemoryStream ms = new MemoryStream())
        {
            IFormatter iFormatter = new BinaryFormatter();
            iFormatter.Serialize(ms, obj);
            buff = ms.GetBuffer();
        }
        return buff;
    }

    /// <summary>
    /// 将byte数组转换成对象
    /// </summary>
    /// <param name="buff">被转换byte数组</param>
    /// <returns>转换完成后的对象</returns>
    public static object Bytes2Object(byte[] buff)
    {
        object obj;
        using (MemoryStream ms = new MemoryStream(buff))
        {
            IFormatter iFormatter = new BinaryFormatter();
            obj = iFormatter.Deserialize(ms);
        }
        return obj;
    }
}