猫鼬将项目推送到对象数组中的数组

Question

如何将元素推送到标记数组？

Answer 1

试试吧

let commentId = "",
let replies = ""
Model.update(
  { comment: { $elemMatch: { _id: commentId } } },
  {
    $push: { "comment.$.replies": replies  },
  }
);

playground