我正在阅读关于Google App Engine中的Blobstore的文章。下面的代码来自示例文档。在用户选择要上传的文件并单击Submit之后,如何将密钥放入javascript变量?我可以在页面上显示它,但我只想保留它以备将来使用。显然,我对Web编程是个新手。
#!/usr/bin/env python
#
import os
import urllib
from google.appengine.ext import blobstore
from google.appengine.ext import webapp
from google.appengine.ext.webapp import blobstore_handlers
from google.appengine.ext.webapp.util import run_wsgi_app
class MainHandler(webapp.RequestHandler):
def get(self):
upload_url = blobstore.create_upload_url('/upload')
self.response.out.write('<html><body>')
self.response.out.write('<form action="%s" method="POST" enctype="multipart/form-data">' % upload_url)
self.response.out.write("""Upload File: <input type="file" name="file"><br> <input type="submit"
name="submit" value="Submit"> </form></body></html>""")
class UploadHandler(blobstore_handlers.BlobstoreUploadHandler):
def post(self):
upload_files = self.get_uploads('file') # 'file' is file upload field in the form
blob_info = upload_files[0]
self.response.out.write('<html><body>')
self.response.out.write(str(blob_info.key()))
self.response.out.write('</body><html>')
def main():
application = webapp.WSGIApplication(
[('/', MainHandler),
('/upload', UploadHandler),
], debug=True)
run_wsgi_app(application)
if __name__ == '__main__':
main()发布于 2012-05-24 05:42:53
你可以这样做:
self.response.out.write("""
<html>
<script>
var blobKey = "%s";
</script>
<body>
...
</body>
</html>""" % (blob_info.key(),)https://stackoverflow.com/questions/10727580
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