{
_id: 5150a1199fac0e6910000002,
name: ‘some name,
items: [{
id: 23,
name: ‘item name 23‘
},{
id: 24,
name: ‘item name 24‘
}]
}
删除代码
db.mycollection.update(
{‘_id‘: ObjectId("5150a1199fac0e6910000002")},
{ $pull: { "items" : { id: 23 } } }
);
原文：https://www.cnblogs.com/wuchenggong/p/9807136.html