我有表單上傳和處理程序,它允許從blobstore下載上傳的文件。 問題是當我點擊任何相關字段的下載按鈕時,它會每次下載相同的文件。即我上傳了3個文件(1.txt,2.txt,3.txt),並且每當我點擊另一個下載按鈕時,它總是隻下載1.txt文件。你可以在http://my77notes.appspot.com/show(或http://my77notes.appspot.com/upload首先上傳你自己的文件)看到它。 當我研究了源代碼時,它顯示了每個隱藏字段的不同鍵。 我錯了什麼?使用Blobstore檢索的Wring文件
這裏是我的文件:
模板文件:
<h2>Files uploaded to Blobstore</h2>
<table border="3">
<tr>
<td>#</td>
<td>Filename</td>
<td>Content-Type</td>
<td>Creation</td>
<td>Size</td>
<td>Download</td>
</tr>
<form id="show_blob" name="show_blob" method="post" action="{{ download_blob }}">
{% for file in blob_files %}
<tr>
<td>{{ loop.index }}</td>
<td>{{ file.filename }}</td>
<td>{{ file.content_type }}</td>
<td>{{ file.creation }}</td>
<td>{{ file.size }}</td>
<td>
<input type="submit" name="download" value="Download"/>
<input type="hidden" name="blobkey" value="{{ file.key() }}" />
</td>
</tr>
{% endfor %}
</form>
</table>
handler.py
class BlobstoreServeHandler(RequestHandler, BlobstoreDownloadMixin):
def post(self):
blob_info = blobstore.BlobInfo.get(self.request.form.get('blobkey'))
return self.send_blob(blob_info, save_as=True)
urls.py
rules = [
Rule('/', endpoint='index', handler='apps.77notes.handlers.IndexPageHandler'),
Rule('/upload', endpoint='upload/html', handler = 'apps.77notes.handlers.BlobstoreUploadFormHandler'),
Rule('/upload/handler', endpoint='upload/handler', handler='apps.77notes.handlers.UploadHandler'),
Rule('/download', endpoint='download/html', handler = 'apps.77notes.handlers.BlobstoreDownloadFormHandler'),
Rule('/download/file', endpoint='download/file', handler='apps.77notes.handlers.BlobstoreServeHandler'),
Rule('/show', endpoint='show/html', handler='apps.77notes.handlers.ShowUploadedFilesHandler'),
]
變量
blob_files = uploaded_files_to_blobstore = blobstore.BlobInfo.all()
download_blob = self.url_for('download/file')
謝謝!
'IND = INT([_ [2做到這一點:對於_在SE lf.request.form if _.startswith('dl')] [0]) - 你確定它是有效的代碼嗎? – VladG 2011-04-09 08:59:27