0
我似乎无法弄清楚如何更新子数组内的单个元素。我想更新images > 59db1c3654819952005897 > sort
为5更新MongoDB数组子元素字段
"_id" : 34,
"images": [
{
"59db1c3654819952005897": {
"name": "1024x1024.png",
"size": "19421",
"sort": 2
}
},
{
"59db1c3652cda581935479": {
"name": "200x200.png",
"size": "52100",
"sort": 3
}
}
]
这是我做过尝试,但没有工作:
updateOne(['_id' => 34], ['$set' => ["images.59db1c3654819952005897.sort" => 5]])
updateOne(['_id' => 34], ['$set' => ["images.$.59db1c3654819952005897.sort" => 5]])