时间:2021-07-01 10:21:17 帮助过:2人阅读
{ _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 } } } );
MongoDB,从数组中删除对象
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