javascript-使用Guzzle和Ajax从Dropbox下载文件

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我正在尝试使用Guzzle3和Ajax从Dropbox下载文件.当我使用Guzzle发送发帖请求时,我在控制台上收到以下原始代码：

HTTP/1.1 200 OK
Server: nginx
Date: Mon, 28 Dec 2015 09:34:20 GMT
Content-Type: application/octet-stream
Content-Length: 546000
Connection: keep-alive
pragma: no-cache
cache-control: no-cache
original-content-length: 546000
dropbox-api-result: {"name": "picture.jpg", "path_lower": "/box/mazedulislamkhan@gmail.com/picture.jpg", "id": "id:QzsqO9c4vG0AAAAAAAABzw", "client_modified": "2015-12-27T20:58:19Z", "server_modified": "2015-12-27T20:58:19Z", "rev": "4db24d66f17", "size": 546000, "media_info": {".tag": "metadata", "metadata": {".tag": "photo", "dimensions": {"height": 1281, "width": 1032}}}}
X-Server-Response-Time: 231
X-Dropbox-Request-Id: 3d610dd4a84f6717edd06dc5a2983a81
X-Robots-Tag: noindex, nofollow, noimageindex

????ExifII*??Duckyd??,http://ns.adobe.com/xap/1.0/<?xpacket begin="" id="W5M0MpCehiHzreSzNTczkc9d"?> <x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="Adobe XMP Core 5.5-c014 79.151481, 2013/03/13-12:09:15        "> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"> <rdf:Description rdf:about="" xmlns:xmp="http://ns.adobe.com/xap/1.0/" xmlns:xmpMM="http://ns.adobe.com/xap/1.0/mm/" xmlns:stRef="http://ns.adobe.com/xap/1.0/sType/ResourceRef#" xmp:CreatorTool="Adobe Photoshop CC (Macintosh)" xmpMM:InstanceID="xmp.iid:D0AC9B83656611E49FF7AB801A4B82BC" xmpMM:DocumentID="xmp.did:D0AC9B84656611E49FF7AB801A4B82BC"> <xmpMM:DerivedFrom stRef:instanceID="xmp.iid:D0AC9B81656611E49FF7AB801A4B82BC" stRef:documentID="xmp.did:D0AC9B82656611E49FF7AB801A4B82BC"/> </rdf:Description> </rdf:RDF> </x:xmpmeta> <?xpacket end="r"?>??Adobed?????????   
    !1AQa"  q??2??????BR#3
?br$??CS???s4%?c??T???Dt?d?5u???6'(!1AQaq"2???????BR#3??br$?4C???S%?Ds56??????_??<?=?,R???L???k???????b?5?E??????"???G??????????'???#??E?Q??A?!?>h?Q??I/o??????j)?G1/l?H??1?K??5??8p?TStjM??;???c??H?p?t}?[?"Hgd???!p????o??(?YJ????a??>?Y4].??????????Y????Me???^?????????ffl?19f?(>???~>(?P???>?~???,3???8?YC???r?X???F????,??????3d?E??????????????Q}i?????[>A!???S??v'?????(?b?S??|???<?IJ? x@T??H?0}m??$??\??  ??wa,???(Ve9w???????S?9?}I???!?p??t?K8?}a???8|"???T??Q8%Fg??2????o??JH???rH??g4??G?8O???????`?5??s?3?U?Bws?y$?$??s?3?Q??0}d?$??W???g??H_?????&?????g??H>?\???J???G??K????E?s?3?T????QC?s?7????2?QC???=???W.e??5????>?\?j)?P???{%? ??(?Q??<V?;{!>?_?2?~w?N0??<?]c?????4???<?ME ??W?a>?????y???_?>???4j(TL?????8>???4j(????/????3?4??j?ux?<J??    ?<  o4??_???X??;????1??QDW??????????$?y?QI?c????J?])s?4??p???9a?0??P????P???????b?[??:??????[?Q?C9???cW?R<??q?%??0?Px?j(?????_?
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?>H餅?@?????e?`?[?W14??? Фdy?<[8??|`?.????y?a4??gV2l}??`???s???0?<SY8y?/??a????????A???v7???sC#??_??<PG$<????????Dg?0???&?2YY????B??,?!I*?h??0???S?????T?&C$??NG??0?+"G??

这是我正在使用的Guzzle3代码：

$client = new Client();
        $request = $client->post('https://content.dropboxapi.com/2/files/download');
        $request->setHeaders([
            'Authorization' => 'Bearer ' . self::getAccessToken(),
            'Dropbox-API-Arg' => '{"path": "/Box/' . $dropboxPath . '/' . $fileName . '"}'
        ]);

        try {
            $response = $request->send();

            return $response;
        } catch (BadResponseException $e) {

            return $e->getResponse();
        }

这是我正在使用的Ajax代码：

$.ajax({
    type: 'POST',
    url: '/downloaddropbox/' + filePath + '/' + fileName,
    data: 'filePath=' + filePath + '&fileName=' + fileName,
    beforeSend: function () {
        Materialize.toast('Please, wait while we\'re processing your download request.', 4000);
        $('.progress').show();
            },
    complete: function () {
        $('.progress').hide();
    },
    success: function (data) {
        console.log(data);
            },
    error: function () {
        Materialize.toast('Something goes wrong. Please, try again later!', 4000);
    }
});

任何人都可以帮助我如何从Ajax请求中下载文件.我也尝试过使用base64_encode结果,但是它仍然不起作用,因为我不仅会下载图像文件.

解决方法:

我建议改用dropbox API.

如文档的下载部分所示,在身份验证之后,您可以使用以下方式读取(下载)文件：

$localFile = fopen("working-draft.txt", "w+b");
$fileMetadata = $dbxClient->getFile("/file-in-dropbox.txt", $localFile);
fclose($localFile);
print_r($fileMetadata);

附言
如注释下面的建议,使用API??或任何其他方法,您必须适当设置标头(根据您要下载的文件类型)

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