删除

• 根据 id 删除数据，如果不设置则会抛 IllegalStateException 异常

public DeleteResult remove(Object object);

public DeleteResult remove(Object object, String collectionName);

• 根据条件删除数据

public DeleteResult remove(Query query, String collectionName);

public DeleteResult remove(Query query, Class<?> entityClass)

Criteria criteria = Criteria.where("authors.name").is("王爽爽");
Query query = new Query(criteria);
mongoTemplate.remove(query, BOOK_COLLECTION);