EmailProperty如何与StringProperty不同？ [英] How does EmailProperty differ from StringProperty?
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问题描述
如何 EmailProperty 与 StringProperty 不同？考虑这两个例子：
How does EmailProperty differ from StringProperty? Consider these two examples:
# example 1: store an e-mail address in an EmailProperty
class MyModel(db.Model):
email_address = db.EmailProperty()
m = MyModel()
m.email_address = db.Email("larry@example.com")
# example 2: store an e-mail address in a StringProperty
class MyModel(db.Model):
email_address = db.StringProperty()
m = MyModel()
m.email_address = "larry@example.com"
推荐答案
如果您调用 entity.to_xml（），EmailProperty将以
If you call entity.to_xml(), an EmailProperty will come back as gd:email in your entity's Atom representation.
请注意，使用EmailProperty 可以使用＃gdEmailrel =nofollow noreferrer> gd：email 不提供电子邮件地址格式的自动验证。
Note that using an EmailProperty does not provide automatic validation of email address formatting.
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