Spring Data MongoDB 查询指定字段

DBObject dbObject = new BasicDBObject();
//dbObject.put("name", "zhangsan");  //查询条件

BasicDBObject fieldsObject=new BasicDBObject();
//指定返回的字段
fieldsObject.put("name", true);
fieldsObject.put("age", true);
fieldsObject.put("sex", true);

Query query = new BasicQuery(dbObject,fieldsObject);
List<Person> user = mongoTemplate.find(query, Person.class);