学习spring ioc和aop

package com.example.springcorelearn; import com.example.springcorelearn.aop.SpringLearnAop; import com.example.springcorelearn.initilization.TeacherBuilder; import com.example.springcorelearn.question.StudentHolder; import com.example.springcorelearn.question.TeacherHolder; import com.example.springcorelearn.question.entity.Person; import com.example.springcorelearn.question.entity.School; import com.example.springcorelearn.question.entity.Student; import com.example.springcorelearn.question.entity.Teacher; import lombok.extern.slf4j.Slf4j; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.beans.factory.support.DefaultListableBeanFactory; import org.springframework.boot.ApplicationArguments; import org.springframework.boot.ApplicationRunner; import org.springframework.context.annotation.*; import org.springframework.context.support.ClassPathXmlApplicationContext; import javax.annotation.Resource; import java.util.List; import java.util.Map; /** * @author jiguansheng * @date 2022/12/31 **/ @Slf4j @ComponentScan({"com.example.springcorelearn.question","com.example.springcorelearn.aop"}) @Configuration public class BeanDependencyDemo implements ApplicationRunner { /** * 依赖查找 * DependencyDescriptor * 必须（required=true） * 通过类型查找 School * 字段名称 school * 实时注入 非饥饿模式 * */ @Resource(name = "xiaowang") private Student xiaowang; @Autowired @Qualifier("tengyichao") private Student tengyichao; @Autowired private Map<String, Person> personMap; public static void main(String[] args) { ClassPathXmlApplicationContext classPathXmlApplicationContext = new ClassPathXmlApplicationContext("classpath:applicationContext.xml"); AnnotationConfigApplicationContext applicationContext = new AnnotationConfigApplicationContext((DefaultListableBeanFactory) classPathXmlApplicationContext.getBeanFactory()); applicationContext.register(BeanDependencyDemo.class, SpringLearnAop.class); applicationContext.refresh(); //log.info("xiaowang:"+applicationContext.getBean("xiaowang",Student.class)); //log.info("tengyichao:"+applicationContext.getBean("tengyichao",Student.class)); // log.info("shixiaogang:"+applicationContext.getBean("shixiaogang",Teacher.class)); } @Bean public Student xiaowang( @Autowired Teacher teacher){ Student student = new Student(); student .setTeacher(teacher) .setGrade(13) .setName("xiaowang") .setAge(12) ; return student; } @Bean //@Primary public Teacher teacher(){ Teacher teacher = new Teacher(); teacher .setCourse("语文") .setName("文君胜") .setAge(40); return teacher; } @Override public void run(ApplicationArguments args) throws Exception { log.info("school:{}",xiaowang); } }