[{
"_id" : ObjectId("55f181e43fdda0be857daaf4"),
"form_info" : [
{
"val" : "王思聪",
"id" : "1"
},
{
"val" : "13800138000",
"id" : "2"
}
],
"tags" : [],
"__v" : 0
},
{
"_id" : ObjectId("55f181e43fdda0f48578acf4"),
"form_info" : [
{
"val" : "李丽珍",
"id" : "1"
},
{
"val" : "13934438010",
"id" : "2"
}
],
"tags" : [],
"__v" : 0
}]
如果我想筛选form_info数组内符合 成员对象内id为1,val为王思聪且id为2,val为13800138000 的记录。
即结果是:
[{
"_id" : ObjectId("55f181e43fdda0be857daaf4"),
"form_info" : [
{
"val" : "王思聪",
"id" : "1"
},
{
"val" : "13800138000",
"id" : "2"
}
],
"tags" : [],
"__v" : 0
}]
> db.test6.find({"test._id":ObjectId("55f181e43fdda0be857daaf4")},{"test.$":1}).pretty();
{
"_id" : ObjectId("55f255aef566c6baf2af1fac"),
"test" : [
{
"_id" : ObjectId("55f181e43fdda0be857daaf4"),
"form_info" : [
{
"val" : "王思聪",
"id" : "1"
},
{
"val" : "13800138000",
"id" : "2"
}
],
"tags" : [ ],
"__v" : 0
}
]
}
就好了
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