Bean生命周期配置

Posted 2021-02-20 jiangzishun

init-method：指定类中的初始化方法名称

destroy-method：指定类中销毁方法名称

<bean id="userDao" class="ioc1.it.dao.userDaoImpl" init-method="init" destroy-method="destroy"></bean>

 

 

package ioc1.it.dao;

public class userDaoImpl implements userDao {
    public userDaoImpl() {
        System.out.println("无参");
    }
    public void init(){
        System.out.println("init");
    }
    public void destroy(){
        System.out.println("destroy");
    }
}