def bind_open(self, appid, open_appid):
return self._post(<EOL>'<STR_LIT>',<EOL>data={<EOL>'<STR_LIT>': appid,<EOL>'<STR_LIT>': open_appid,<EOL>}<EOL>)<EOL>
将公众号/小程序绑定到开放平台帐号下
详情请参考
https://open.weixin.qq.com/cgi-bin/showdocument?action=dir_list&id=open1498704199_1bcax

:param appid: 授权公众号或小程序的 appid
:param open_appid: 开放平台帐号 appid