自动加入使用（JoinByOne，JoinByArray）
Auto Join using (JoinByOne , JoinByArray)
通常，用户需要手动选择需要加入的pieces/pages。例如 ：
可以通过编程加入吗？如果通过游标的某些属性可用，那么我希望它与我当前的作品相结合。否则，它将 return 为空。
The main purpose is to not manually search/browse my piece. I need it to be Auto join / programmatically join without user need to browse the piece by themselves. If not , I have to enable sendmail to admin to tell that, "Your blog receives Likes ! Join it to your blog piece now !" . Something like that.
在 self.beforeInsert 上看看他们是如何做到的：
https://github.com/apostrophecms/apostrophe-samples/commit/7f0b2b90377be4c4be216c8213ca4783ed2ec656
有关游标的文档的更多信息：
https://apostrophecms.org/docs/tutorials/intermediate/cursors.html
通常，用户需要手动选择需要加入的pieces/pages。例如 ：
可以通过编程加入吗？如果通过游标的某些属性可用，那么我希望它与我当前的作品相结合。否则，它将 return 为空。
The main purpose is to not manually search/browse my piece. I need it to be Auto join / programmatically join without user need to browse the piece by themselves. If not , I have to enable sendmail to admin to tell that, "Your blog receives Likes ! Join it to your blog piece now !" . Something like that.
在 self.beforeInsert 上看看他们是如何做到的：
https://github.com/apostrophecms/apostrophe-samples/commit/7f0b2b90377be4c4be216c8213ca4783ed2ec656
有关游标的文档的更多信息：
https://apostrophecms.org/docs/tutorials/intermediate/cursors.html