第一步:实体类
package it.heima.Dao;
public class Bean1 {
}
第二步:配置
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
<!--配置无参构造的IOC-->
<bean id="bean1" class="it.heima.Dao.Bean1"></bean>
</beans>
第三步:测试
public class Bean1Test {
Bean1 bean1 ;
@Before
public void setUp() throws Exception {
ClassPathXmlApplicationContext applicationContext = new ClassPathXmlApplicationContext("applicationContext.xml");
bean1=applicationContext.getBean("bean1", Bean1.class);
}
@Test
public void test(){
System.out.println(bean1);
}
}