node.js将http响应写入流 [英] node.js write http response to stream

问题描述

我通过http获取一些二进制数据。我的代码如下：

i'm fetching some binary data over http. My code looks like:

var writeStream = fs.createWriteStream(fileName);
request(url, function(err, res) {
    res.socket.pipe(writeStream);
});

现在输出文件已创建，但文件大小为0.网址是正确的，但我验证了与wget。

now the output file is created but the filesize is 0. The url is correct though, i verified that with wget.

提前致谢&最好的问候

Thanks in advance & best regards

推荐答案

http.request 仅提供一个参数，该参数是对响应。尝试

http.request(url, function(res) {
    res.pipe(writeStream);
});

另请注意 ClientResponse 实现 ReadableStream ，所以你应该使用 .pipe 而不是 .socket.pipe 。

Also note that the ClientResponse implements ReadableStream, so you should use .pipe rather than .socket.pipe.

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