def get_auth_field(self):
return self._post(<EOL>'<STR_LIT>',<EOL>params={<EOL>'<STR_LIT:action>': '<STR_LIT>',<EOL>},<EOL>data={},<EOL>)<EOL>
获取授权页字段信息
详情请参考
https://mp.weixin.qq.com/wiki?id=mp1497082828_r1cI2

:return: 授权页的字段设置
:rtype: dict