Dao接口

package cn.itcast.article.dao;
 
import cn.itcast.article.po.Comment;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.mongodb.repository.MongoRepository;
 
public interface CommentRepository extends MongoRepository<Comment,String > {
 
    Page<Comment> findByParentid(String parentid,Pageable pageable); //注意必须是Parentid
 
}