摘要:Java -MongoDB Add DBRef
mongo = this.dao.getMongo();//取的Mongo对象,自行撰写
db = this.dao.getDB(mongo);//取得DB对象，自行撰写
DBCollection collection = db.getCollection(this.collection_name);
obj.append("ref_field",new DBRef(db,"ref_collection_name",obj.getString("ref_field_id")));
collection.save(obj)
原文:大专栏 Java -MongoDB Add DBRef