黑马程序员Spring框架2016版资料_day2

log4j.properties

applicationContext.xml

xsi:schemaLocation="

http://www.springframework.org/schema/beans

http://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframew

ork.org/schema/context

</beans>

public interface UserDao {

public void sayHello();

}

<context:component-scan base-package="com.itheima.spring.demo1"/>

@Override

@Test

public void demo2() {

ApplicationContext applicationContext = new

ClassPathXmlApplicationContext(

"applicationContext.xml");

UserDao userDao = (UserDao) applicationContext.getBean("userDao");

userDao.sayHello();

}