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我想從使用貓鼬的對象中刪除具有ID的子文檔。 我試圖在Moongose中使用更新功能,但運行腳本即時通訊狀態「好:1」,但狀態「nModified:0」。正在嘗試使用以下腳本:如何刪除使用貓鼬的對象內的子文檔
Page.update({"subPages._id": req.body.ID}, {"$unset":{"subPages":1}}, function (re,q) {
console.log(q);
});
此腳本從對象中刪除所有子文檔。 這裏是我的JSON:
{
"_id" : ObjectId("585a7a7c2ec07b40ecb093d6"),
"name_en" : "Head Page",
"name_nl" : "Head Page",
"slug_en" : "Head-page",
"slug_nl" : "hoofd-menu",
"content_en" : "<p>Easy (and free!) You should check out our premium features.</p>",
"content_nl" : "<p>Easy (and free!) You should check out our premium features.</p>",
"date" : ISODate("2016-12-21T12:50:04.374Z"),
"is_footerMenu" : 0,
"is_headMenu" : 0,
"visible" : 1,
"__v" : 0,
"subPages" : [
{
"content_nl" : "<p>Easy (and free!) You should check out our premium features.</p>",
"content_en" : "<p>Easy (and free!) You should check out our premium features.</p>",
"slug_nl" : "Sub-page",
"slug_en" : "Sub-page",
"name_nl" : "Subpage",
"name_en" : "Subpage",
"date" : ISODate("2016-12-21T14:58:44.733Z"),
"subPages" : [],
"is_footerMenu" : 0,
"is_headMenu" : 0,
"visible" : 1,
"_id" : ObjectId("585a98a46f657b52489087a8")
},
{
"content_nl" : "<p>Easy (and free!) You should check out our premium features.</p>",
"content_en" : "<p>Easy (and free!) You should check out our premium features.</p>",
"slug_nl" : "Subpage",
"slug_en" : "Subpage",
"name_nl" : "Subpage1",
"name_en" : "Subpage1",
"date" : ISODate("2016-12-21T14:58:54.819Z"),
"subPages" : [],
"is_footerMenu" : 0,
"is_headMenu" : 0,
"visible" : 1,
"_id" : ObjectId("585a98ae6f657b52489087a9")
}
]
}
我想與ID
585a98a46f657b52489087a8
我該怎麼辦呢刪除子對象?
它做到了!非常感謝你。我長久以來一直在努力。 –