1

当我对我的 HTTP 响应应用 gzip 或 deflate 压缩时,我似乎丢失了 JSON 结构中的最后一个括号。例如:

没有压缩的结果:

{"alist":{"P_1":0,"P_2":0,"P_3":0}}

浏览器收到的压缩结果

{"alist":{"P_1":0,"P_2":0,"P_3":0}

在没有压缩的情况下编写响应时,我正在执行以下操作:

byte[] buffer = Encoding.UTF8.GetBytes(responseContent);

context.Response.ContentLength64 = buffer.Length;
context.Response.ContentType = ContentTypeJson;

Stream outputStream = context.Response.OutputStream;
outputStream.Write(buffer, 0, buffer.Length);
outputStream.Close();

或者,当调用者提供 Accept-Encoding 请求标头时,我尝试使用压缩编写响应,如下所示;

byte[] buffer = Encoding.UTF8.GetBytes(responseContent);
byte[] compressedBuffer;

using (var memoryStream = new MemoryStream())
{
    using (Stream compressionStream = new DeflateStream(memoryStream, CompressionMode.Compress, false))
    {
        compressionStream.Write(buffer, 0, buffer.Length);

        compressedBuffer = memoryStream.ToArray();

        compressionStream.Close();
    }

    memoryStream.Close();
}

context.Response.ContentLength64 = compressedBuffer.Length;
context.Response.ContentType = ContentTypeJson;

Stream outputStream = context.Response.OutputStream;
outputStream.Write(compressedBuffer, 0, compressedBuffer.Length);
outputStream.Close();

如果有帮助,我正在使用 System.Net.HttpListener,这就是我必须自己做的原因。有谁知道为什么会发生这种截断?

4

1 回答 1

0

DeflateStream写入后不会立即将所有内容写入其输出流,但您可以确定在关闭它后它已经这样做了。所以以下将起作用:

compressionStream.Write(buffer, 0, buffer.Length);

compressionStream.Close();

compressedBuffer = memoryStream.ToArray();
于 2011-07-04T08:17:23.923 回答