def post(self):
district_name = request.json.get('district_name')
if not district_fields:
abort(400)
district = District(district_name=district_name)
try:
db.session.add(district)
db.session.commit()
return marshal(district, district_fields), 201
except IntegrityError, e:
db.session.rollback()
res = jsonify({'resCode': '31', 'resMsg': u'区域名已经存在'})
res.status_code = 422
return res
