Examples of Objectid in Java query MongoDB _java

Look for a long time query Objectid method is wrong, with Mongovue can query out, but is using Java do not know how to query

1.mongovue Query mode:

Copy Code code as follows:

{"_id": ObjectId ("5326bfc0e6f780b21635248f")}

2. In the pure MongoDB query way:

Copy Code code as follows:

Db.collect.find ({"_id": ObjectId ("5326bfc0e6f780b21635248f")})

3.java Query mode:

Copy Code code as follows:

Import Org.bson.types.ObjectId;

Public DBObject Finddocumentbyid (String ID) {
Basicdbobject query = new Basicdbobject ();
Query.put ("_id", new ObjectId (ID));
DBObject dbobj = collection.findone (query);
return dbobj;
}