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  • Stream 和 byte[] 之间的转换

    /* - - - - - - - - - - - - - - - - - - - - - - - - 
    * Stream 和 byte[] 之间的转换
    * - - - - - - - - - - - - - - - - - - - - - - - */
    /// <summary>
    /// 将 Stream 转成 byte[]
    /// </summary>
    public byte[] StreamToBytes(Stream stream)
    {
    byte[] bytes = new byte[stream.Length];
    stream.Read(bytes, 0, bytes.Length);
     
    // 设置当前流的位置为流的开始
    stream.Seek(0, SeekOrigin.Begin);
    return bytes;
    }
     
    /// <summary>
    /// 将 byte[] 转成 Stream
    /// </summary>
    public Stream BytesToStream(byte[] bytes)
    {
    Stream stream = new MemoryStream(bytes);
    return stream;
    }
     
     
    /* - - - - - - - - - - - - - - - - - - - - - - - - 
    * Stream 和 文件之间的转换
    * - - - - - - - - - - - - - - - - - - - - - - - */
    /// <summary>
    /// 将 Stream 写入文件
    /// </summary>
    public void StreamToFile(Stream stream,string fileName)
    {
    // 把 Stream 转换成 byte[]
    byte[] bytes = new byte[stream.Length];
    stream.Read(bytes, 0, bytes.Length);
    // 设置当前流的位置为流的开始
    stream.Seek(0, SeekOrigin.Begin);
     
    // 把 byte[] 写入文件
    FileStream fs = new FileStream(fileName, FileMode.Create);
    BinaryWriter bw = new BinaryWriter(fs);
    bw.Write(bytes);
    bw.Close();
    fs.Close();
    }
     
    /// <summary>
    /// 从文件读取 Stream
    /// </summary>
    public Stream FileToStream(string fileName)
    { 
    // 打开文件
    FileStream fileStream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read);
    // 读取文件的 byte[]
    byte[] bytes = new byte[fileStream.Length];
    fileStream.Read(bytes, 0, bytes.Length);
    fileStream.Close();
    // 把 byte[] 转换成 Stream
    Stream stream = new MemoryStream(bytes);
    return stream;
    }

    原文地址:http://bbs.dingdi.com/thread-763404-1-1.html

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  • 原文地址:https://www.cnblogs.com/poissonnotes/p/1684187.html
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