def post(self):
username = self.input('username')
password = self.input('password')
nickname = self.input('nickname')
ret = {'err': True}
uid = User.get_uid_by_username(username)
if uid is not None:
ret['msg'] = u'登录名已存在！'
return self.write(ret)
validator = User.is_valid(**locals())
if validator is not None:
ret['filed'] = validator[0]
ret['msg'] = validator[1]
return self.write(ret)
User.save(username, password, nickname)
ret['err'] = False
self.write(ret)
