1005ef1ea5ae001c1cf0ed8a423fa3fa

来自「《v512工作室_Java高端培训系列视频》(Java JSP Servlet 」· 代码 · 共 18 行

package com.v512.guestbook.dao;
import java.util.List;
import com.v512.guestbook.model.Guestbook;

public interface GuestbookDao {
    public void save(Guestbook transientInstance) ;

    public void delete(Guestbook persistentInstance);

    public Guestbook findById(java.lang.Long id) ;
    

   
    public List findAll() ;
    
   
    public void update(Guestbook instance);
}