擅长:python、mysql、java
<p>Mongoengine不需要您定义一个。在</p>
<pre><code>class User(db.Document):
email = db.StringField(required=True)
first_name = db.StringField(max_lenght=40, required=True)
last_name = db.StringField(max_lenght=40, required=True)
password = db.StringField(required=True)
def clean(self):
# clean will be called when you call .save()
# You can do whatever you'd like to clean data before save
self.password = str(self.password)
</code></pre>
<p>那你要做的就是</p>
^{pr2}$