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There is an existing array as follows,
const idArr = ['5950b7bfe78afb0868dc6599','5950b532b3c06f0838ed47e2','5950afcc85881f07bf454232']; //数组每一项都作为查询的_id，遍历查询，该如何操作呢？ idArr.forEach((item,index)=>{ db.details.find({_id:item}); //这样吗？还是。。。 });
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The answer was found in the official documentation of mongodb
const idArr = ['5950b7bfe78afb0868dc6599','5950b532b3c06f0838ed47e2','5950afcc85881f07bf454232']; db.details.find({_id:{$in:idArr}); //这样就可以了，一次全部查出来
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The answer was found in the official documentation of mongodb