Spring IOC容器FactoryBean工厂Bean实例

<bean id="course2" class="com.pingguo.spring5.collectiontype.Course">
        <property name="course_name" value="毛氏面点课"></property>
    </bean>

package com.pingguo.spring5.factorybean;
import com.pingguo.spring5.collectiontype.Course;
import org.springframework.beans.factory.FactoryBean;
public class MyBean implements FactoryBean<Course> {
    // 定义返回 bean
    @Override
    public Course getObject() throws Exception {
        Course course = new Course();
        course.setCourseName("spring基础课程");
        return course;
    }
    @Override
    public Class<?> getObjectType() {
        return null;
    }
    @Override
    public boolean isSingleton() {
        return false;
    }
}

<?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">
    <bean id="myBean" class="com.pingguo.spring5.factorybean.MyBean"></bean>
</beans>

@Test
    public void test3() {
        ApplicationContext context =
                new ClassPathXmlApplicationContext("bean3.xml");
        Course course = context.getBean("myBean", Course.class);
        System.out.println(course);
    }

Course{course_name='spring基础课程'}
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