Spring

Spring

1，导入坐标

spring-context

2，创建接口与实现

dao && dao.impl

3，配置XML

<bean id="xxdao" class="类名"></bean>

4，测试

 ApplicationContext applicationContext=new ClassPathXmlApplicationContext("applicationContext.xml");
 UserDao userDao = (UserDao) applicationContext.getBean("dao");
 userDao.save();