我试图上传多个图像到谷歌云存储在使用JavaScript的批量请求。我使用https://developers.google.com/storage/docs/json_api/v1/how-tos/batch#example作为参考。批量上传请求到谷歌云存储使用javascript
我有一个输入文件,用户可以选择多个文件,和一个“上传” BTN上传到GCS像这样:
<input type="file" name="fileName" id="fileInput" multiple="multiple" onchange="javascript: loadFiles()"/>
<input type="button" name="upload-btn" id="upload" value="Upload"/>
当用户选择的图像时,“loadFiles”函数创建批处理请求的“正文”。
var tok = <token>;
var boundary = "---======= foo_bar_baz12034245623562346 ===";
var consolidated_request = '';
function loadFiles()
{
var input = $('fileInput');
for (var i = 0; i < input.files.length; i++)
{
var f = input.files[i];
var reader = new FileReader();
reader.readAsBinaryString(f);
reader.onload = function(e){
var fbinary = e.target.result;
var fsize = f.size;
var url = 'https://www.googleapis.com/upload/storage/v1beta2/b/<mybucket>/o?';
url += 'uploadType=media&name='+f.name+ ' HTTP/1.1';
var req = boundary +
'\r\nContent-Type: application/http'+
'\r\nContent-Transfer-Encoding: binary'+
'\r\n\nPOST ' + url +
'\r\nContent-Type: image/jpeg'+
'\r\nContent-Length: '+ f.size +
'\r\nAuthorization: '+tok+
'\r\n\n'+ fbinary + '\n';
consolidated_request += req;
};
}
}
当用户点击上传:
$('upload').onclick = function(e){
var xhr = new XMLHttpRequest();
xhr.open("POST", 'https://www.googleapis.com/batch', true);
xhr.setRequestHeader("Authorization", tok);
xhr.setRequestHeader("Content-Type", "multipart/mixed;boundary=" + boundary);
xhr.send(consolidated_request);
};
这里是POST的样品产生(使用萤火虫):
部首:
Accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Encoding gzip, deflate
Accept-Language en-US,en;q=0.5
Authorization Bearer ya29.AHES6ZQgu6gFurD6y7Bo2Mao1RNCFwyqNZcwvgDZ82RXIbQ4
Content-Length 159866
Content-Type multipart/mixed; charset=UTF-8;boundary=---======= foo_bar_baz12034245623562346 ===
Host www.googleapis.com
身体:
--======= foo_bar_baz12034245623562346 ===
Content-Type: application/http
Content-Transfer-Encoding: binary
POST https://www.googleapis.com/upload/storage/v1beta2/b/<mybucket>/o?uploadType=media&name=myimage.jpg HTTP/1.1
Content-Type: image/jpeg
Content-Length: 69436
Authorization: Bearer ya29.AHES6ZQgu6gFurD6y7Bo2Mao1RNCFwyqNZcwvgDZ82RXIbQ4
ÿØÿà�JFIF���d�d��ÿì�Ducky�����<��ÿî�Adobe�dÀ���ÿÛ��
...
问题是没有响应,因为我得到了400个错误的请求消息。该请求有什么问题?