https://developers.weixin.qq.com/doc/offiaccount/Message_Management/Template_Message_Interface.htmlhttps://developers.weixin.qq.com/doc/offiaccount/Message_Management/Template_Message_Operation_Specifications.htmlhttps://developers.weixin.qq.com/doc/offiaccount/Message_Management/Template_Message_Operation_Specifications.html
模版消息使用详细说明:https://mp.weixin.qq.com/s/FRS90KHc4aIZoOfe5UZ3Mw