mongodb命令行_id查询方法
-
直接用ObjectId()
db.getCollection(‘imangtextcol’).find({“_id”:ObjectId(“58f9b20b8c8858538af69409”)})
java操作MongoDB，采用_id查询
java中_id查询方法
- new ObjectId(id)
BasicDBObject queryObject = new BasicDBObject(“_id”,new ObjectId(id));
直接用ObjectId()
db.getCollection(‘imangtextcol’).find({“_id”:ObjectId(“58f9b20b8c8858538af69409”)})
BasicDBObject queryObject = new BasicDBObject(“_id”,new ObjectId(id));