package com.kwan.spring5.service; import com.kwan.spring5.dao.UserDao; /** * user服务类 * * @author : qinyingjie * @version : 2.2.0 * @date : 2022/11/12 19:34 */ public class UserService { /** * 创建UserDao类型属性,生成set方法 */ private UserDao userDao; public void setUserDao(UserDao userDao) { this.userDao = userDao; } public void add() { System.out.println("service add..............."); userDao.update();//调用dao方法 } }