擅长:python、mysql、java
<p>可以写入blob并使用StringIO检索数据</p>
<pre><code>from boto.s3.connection import S3Connection
from boto.s3.key import Key
from google.appengine.ext import db
class Data(db.Model)
image = db.BlobProperty(default=None)
conn = S3Connection(config.key, config.secret_key)
bucket = conn.get_bucket('bucketname')
key = bucket.get_key("picture.jpg")
fp = StringIO.StringIO()
key.get_file(fp)
data = Data(key_name="picture.jpg")
data.image = db.Blob(fp.getvalue())
data.put()
</code></pre>