MongoDB 嵌套查询

> db.pageurls.find({‘links.url’:{$eq:’http://xz3-13.okzyxz.com/20190813/17277_bd297120/全能侦探社S01E08.mp4′}},{‘links.$’:1}).pretty()

{
“_id” : ObjectId(“5e0222792c63b2caf5609409”),
“links” : [
{
“part” : “第08集”,
“url” : “http://xz3-13.okzyxz.com/20190813/17277_bd297120/全能侦探社S01E08.mp4”
}
]
}