springboot bean生命周期

最新推荐文章于 2025-04-22 16:42:56 发布

niceguy_smile

最新推荐文章于 2025-04-22 16:42:56 发布

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分类专栏： springboot 文章标签： springboot

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本文探讨了SpringBoot中Bean的生命周期，从基础的配置到接口的使用，再到自定义初始化和销毁方法，通过示例代码详细阐述了Bean在SpringBoot应用中的创建、初始化和销毁过程，并提供了GitHub代码仓库供读者参考。

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项目架构为:

Pom.xml:

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.2.0.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.nice</groupId>
    <artifactId>boot-chapter4</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>boot-chapter4</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>runtime</scope>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
            <exclusions>
                <exclusion>
                    <groupId>org.junit.vintage</groupId>
                    <artifactId>junit-vintage-engine</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>compile</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

AppConfig.java:

package com.nice.config;


import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;

/**
 * @author ningh
 */
@Configuration
@ComponentScan(basePackages = "com.nice.*", lazyInit = true)
public class AppConfig {
}

Animal.java:

package com.nice.pojo.definition;

/**
 * 动物接口
 * @author ningh
 */
public interface Animal {
    public void use();
}

Person.java:

package com.nice.pojo.definition;

/**
 * 人类接口
 * @author ningh
 */
public interface Person {

    /**
     * 使用动物服务
     */
    public void service();

    /**
     * 设置动物
     * @param animalal 动物
     */
    public void setAnimal(Animal animalal);

}

BusinessPerson.java:

package com.nice.pojo;

import com.nice.pojo.definition.Animal;
import com.nice.pojo.definition.Person;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;

/**
 * 人物实现类
 * @author ningh
 */
@Component
public class BussinessPerson implements Person {



    @Autowired(required = false)
    @Qualifier("dog")
    private Animal animal;


    @Override
    public void service() {
        this.animal.use();
    }

    @Autowired @Qualifier("dog")
    @Override
    public void setAnimal(Animal animal) {
        System.out.println("延迟依赖注入");
        this.animal = animal;
    }
}

Cat.java:

package com.nice.pojo;

import com.nice.pojo.definition.Animal;
import org.springframework.context.annotation.Primary;
import org.springframework.stereotype.Component;

/**
 * 猫的实现类
 * @author ningh
 */
@Component
@Primary
public class Cat implements Animal {
    @Override
    public void use() {
        System.out.println("猫["+Cat.class.getSimpleName()+"]是抓老鼠");
    }
}

Dog.java:

package com.nice.pojo;

import com.nice.pojo.definition.Animal;
import org.springframework.stereotype.Component;

/**
 * 狗的实现类
 * @author ningh
 */
@Component
public class Dog implements Animal {
    @Override
    public void use() {
        System.out.println("狗[" + Dog.class.getSimpleName() + "]是看门用的.");
    }
}

测试方法为:

    @Test
    public void test1(){
        ApplicationContext applicationContext = new AnnotationConfigApplicationContext(AppConfig.class);
        BussinessPerson bussinessPerson = (BussinessPerson) applicationContext.getBean("bussinessPerson");
    }

运行结果为:

D:\Java\jdk1.8.0_202\bin\java.exe -ea -Didea.test.cyclic.buffer.size=1048576 "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA 2019.2.scala\lib\idea_rt.jar=52471:C:\Program Files\JetBrains\IntelliJ IDEA 2019.2.scala\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\JetBrains\IntelliJ IDEA 2019.2.scala\lib\idea_rt.jar;C:\Program Files\JetBrains\IntelliJ IDEA 2019.2.scala\plugins\junit\lib\junit-rt.jar;C:\Program Files\JetBrains\IntelliJ IDEA 2019.2.scala\plugins\junit\lib\junit5-rt.jar;D:\Java\jdk1.8.0_202\jre\lib\charsets.jar;D:\Java\jdk1.8.0_202\jre\lib\deploy.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\access-bridge-64.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\cldrdata.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\dnsns.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\jaccess.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\jfxrt.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\localedata.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\nashorn.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\sunec.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\sunjce_provider.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\sunmscapi.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\sunpkcs11.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\zipfs.jar;D:\Java\jdk1.8.0_202\jre\lib\javaws.jar;D:\Java\jdk1.8.0_202\jre\lib\jce.jar;D:\Java\jdk1.8.0_202\jre\lib\jfr.jar;D:\Java\jdk1.8.0_202\jre\lib\jfxswt.jar;D:\Java\jdk1.8.0_202\jre\lib\jsse.jar;D:\Java\jdk1.8.0_202\jre\lib\management-agent.jar;D:\Java\jdk1.8.0_202\jre\lib\plugin.jar;D:\Java\jdk1.8.0_202\jre\lib\resources.jar;D:\Java\jdk1.8.0_202\jre\lib\rt.jar;D:\ideapro\boot-chapter4\target\test-classes;D:\ideapro\boot-chapter4\target\classes;C:\Users\ningh\.m2\repository\org\springframework\boot\spring-boot-starter\2.2.0.RELEASE\spring-boot-starter-2.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\boot\spring-boot\2.2.0.RELEASE\spring-boot-2.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\spring-context\5.2.0.RELEASE\spring-context-5.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\spring-aop\5.2.0.RELEASE\spring-aop-5.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\spring-beans\5.2.0.RELEASE\spring-beans-5.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\spring-expression\5.2.0.RELEASE\spring-expression-5.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\boot\spring-boot-autoconfigure\2.2.0.RELEASE\spring-boot-autoconfigure-2.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\boot\spring-boot-starter-logging\2.2.0.RELEASE\spring-boot-starter-logging-2.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\ch\qos\logback\logback-classic\1.2.3\logback-classic-1.2.3.jar;C:\Users\ningh\.m2\repository\ch\qos\logback\logback-core\1.2.3\logback-core-1.2.3.jar;C:\Users\ningh\.m2\repository\org\apache\logging\log4j\log4j-to-slf4j\2.12.1\log4j-to-slf4j-2.12.1.jar;C:\Users\ningh\.m2\repository\org\apache\logging\log4j\log4j-api\2.12.1\log4j-api-2.12.1.jar;C:\Users\ningh\.m2\repository\org\slf4j\jul-to-slf4j\1.7.28\jul-to-slf4j-1.7.28.jar;C:\Users\ningh\.m2\repository\jakarta\annotation\jakarta.annotation-api\1.3.5\jakarta.annotation-api-1.3.5.jar;C:\Users\ningh\.m2\repository\org\springframework\spring-core\5.2.0.RELEASE\spring-core-5.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\spring-jcl\5.2.0.RELEASE\spring-jcl-5.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\yaml\snakeyaml\1.25\snakeyaml-1.25.jar;C:\Users\ningh\.m2\repository\org\springframework\boot\spring-boot-devtools\2.2.0.RELEASE\spring-boot-devtools-2.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\projectlombok\lombok\1.18.10\lombok-1.18.10.jar;C:\Users\ningh\.m2\repository\org\springframework\boot\spring-boot-starter-test\2.2.0.RELEASE\spring-boot-starter-test-2.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\boot\spring-boot-test\2.2.0.RELEASE\spring-boot-test-2.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\boot\spring-boot-test-autoconfigure\2.2.0.RELEASE\spring-boot-test-autoconfigure-2.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\com\jayway\jsonpath\json-path\2.4.0\json-path-2.4.0.jar;C:\Users\ningh\.m2\repository\net\minidev\json-smart\2.3\json-smart-2.3.jar;C:\Users\ningh\.m2\repository\net\minidev\accessors-smart\1.2\accessors-smart-1.2.jar;C:\Users\ningh\.m2\repository\org\ow2\asm\asm\5.0.4\asm-5.0.4.jar;C:\Users\ningh\.m2\repository\org\slf4j\slf4j-api\1.7.28\slf4j-api-1.7.28.jar;C:\Users\ningh\.m2\repository\jakarta\xml\bind\jakarta.xml.bind-api\2.3.2\jakarta.xml.bind-api-2.3.2.jar;C:\Users\ningh\.m2\repository\jakarta\activation\jakarta.activation-api\1.2.1\jakarta.activation-api-1.2.1.jar;C:\Users\ningh\.m2\repository\org\junit\jupiter\junit-jupiter\5.5.2\junit-jupiter-5.5.2.jar;C:\Users\ningh\.m2\repository\org\junit\jupiter\junit-jupiter-api\5.5.2\junit-jupiter-api-5.5.2.jar;C:\Users\ningh\.m2\repository\org\apiguardian\apiguardian-api\1.1.0\apiguardian-api-1.1.0.jar;C:\Users\ningh\.m2\repository\org\opentest4j\opentest4j\1.2.0\opentest4j-1.2.0.jar;C:\Users\ningh\.m2\repository\org\junit\platform\junit-platform-commons\1.5.2\junit-platform-commons-1.5.2.jar;C:\Users\ningh\.m2\repository\org\junit\jupiter\junit-jupiter-params\5.5.2\junit-jupiter-params-5.5.2.jar;C:\Users\ningh\.m2\repository\org\junit\jupiter\junit-jupiter-engine\5.5.2\junit-jupiter-engine-5.5.2.jar;C:\Users\ningh\.m2\repository\org\junit\platform\junit-platform-engine\1.5.2\junit-platform-engine-1.5.2.jar;C:\Users\ningh\.m2\repository\org\mockito\mockito-junit-jupiter\3.1.0\mockito-junit-jupiter-3.1.0.jar;C:\Users\ningh\.m2\repository\org\assertj\assertj-core\3.13.2\assertj-core-3.13.2.jar;C:\Users\ningh\.m2\repository\org\hamcrest\hamcrest\2.1\hamcrest-2.1.jar;C:\Users\ningh\.m2\repository\org\mockito\mockito-core\3.1.0\mockito-core-3.1.0.jar;C:\Users\ningh\.m2\repository\net\bytebuddy\byte-buddy\1.10.1\byte-buddy-1.10.1.jar;C:\Users\ningh\.m2\repository\net\bytebuddy\byte-buddy-agent\1.10.1\byte-buddy-agent-1.10.1.jar;C:\Users\ningh\.m2\repository\org\objenesis\objenesis\2.6\objenesis-2.6.jar;C:\Users\ningh\.m2\repository\org\skyscreamer\jsonassert\1.5.0\jsonassert-1.5.0.jar;C:\Users\ningh\.m2\repository\com\vaadin\external\google\android-json\0.0.20131108.vaadin1\android-json-0.0.20131108.vaadin1.jar;C:\Users\ningh\.m2\repository\org\springframework\spring-test\5.2.0.RELEASE\spring-test-5.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\xmlunit\xmlunit-core\2.6.3\xmlunit-core-2.6.3.jar;C:\Users\ningh\.m2\repository\junit\junit\4.12\junit-4.12.jar;C:\Users\ningh\.m2\repository\org\hamcrest\hamcrest-core\2.1\hamcrest-core-2.1.jar" com.intellij.rt.execution.junit.JUnitStarter -ideVersion5 -junit4 com.nice.TestApplication,test1

06:49:01.065 [main] DEBUG org.springframework.context.annotation.AnnotationConfigApplicationContext - Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@57829d67
06:49:01.078 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor'
06:49:01.129 [main] DEBUG org.springframework.context.annotation.ClassPathBeanDefinitionScanner - Identified candidate component class: file [D:\ideapro\boot-chapter4\target\classes\com\nice\pojo\BussinessPerson.class]
06:49:01.129 [main] DEBUG org.springframework.context.annotation.ClassPathBeanDefinitionScanner - Identified candidate component class: file [D:\ideapro\boot-chapter4\target\classes\com\nice\pojo\Cat.class]
06:49:01.129 [main] DEBUG org.springframework.context.annotation.ClassPathBeanDefinitionScanner - Identified candidate component class: file [D:\ideapro\boot-chapter4\target\classes\com\nice\pojo\Dog.class]
06:49:01.193 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.event.internalEventListenerProcessor'
06:49:01.195 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.event.internalEventListenerFactory'
06:49:01.196 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor'
06:49:01.197 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.annotation.internalCommonAnnotationProcessor'
06:49:01.204 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'appConfig'
06:49:01.225 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'bussinessPerson'
06:49:01.250 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'dog'
延迟依赖注入



Process finished with exit code 0

加入生命周期接口和自定义:

package com.nice.pojo;

import com.nice.pojo.definition.Animal;
import com.nice.pojo.definition.Person;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;

/**
 * 人物实现类
 * @author ningh
 */
@Component
public class BussinessPerson implements Person, BeanNameAware, BeanFactoryAware, ApplicationContextAware, InitializingBean, DisposableBean {



    @Autowired(required = false)
    @Qualifier("dog")
    private Animal animal;


    @Override
    public void service() {
        this.animal.use();
    }

    @Autowired @Qualifier("dog")
    @Override
    public void setAnimal(Animal animal) {
        System.out.println("延迟依赖注入");
        this.animal = animal;
    }

    @Override
    public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
        System.out.println("["+this.getClass().getSimpleName()+"] 调用BeanFactoryAware的setBeanFactory");
    }

    @Override
    public void setBeanName(String s) {
        System.out.println("["+this.getClass().getSimpleName()+"]调用BeanNameAware的setBeanName");
    }

    @Override
    public void destroy() throws Exception {
        System.out.println("["+this.getClass().getSimpleName()+"] DisposableBean方法");
    }
    
    @PreDestroy
    public void destory1(){
        System.out.println("["+this.getClass().getSimpleName()+"] 注解PreDestroy定义的自定义的销毁方法");
    }
    
    @PostConstruct
    public void init(){
        System.out.println("["+this.getClass().getSimpleName()+"] 注解@PostConstruct定义的自定义初始化方法");
    }

    @Override
    public void afterPropertiesSet() throws Exception {
        System.out.println("["+this.getClass().getSimpleName()+"] 调用InitializingBean的afterPropertiesSet方法");
    }

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        System.out.println("["+this.getClass().getSimpleName()+"] 调用ApplicationContextAware的setApplicationContext");
    }
}

后置bean初始化器:

package com.nice.life;

import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.stereotype.Component;

/**
 * 后置Bean初始化器
 * @author ningh
 */
@Component
public class BeanPostProcessorExample implements BeanPostProcessor {
    @Override
    public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
        System.out.println("BeanPostProcessor调用postProcessBeforeInitialization方法，参数["
        +bean.getClass().getSimpleName()+"]["+beanName+"]");
        return bean;
    }

    @Override
    public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
        System.out.println("BeanPostProcessor调用postProcessAfterInitialization方法[参数"+bean.getClass().getSimpleName()
        +"]["+beanName +"]");
        return bean;
    }
}

测试方法为:

    @Test
    public void test2(){
        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(AppConfig.class);
        context.close();
    }

运行结果为:

D:\Java\jdk1.8.0_202\bin\java.exe -ea -Didea.test.cyclic.buffer.size=1048576 "-javaagent:C:\Program Files\JetBrains\IntelliJ IDEA 2019.2.scala\lib\idea_rt.jar=53841:C:\Program Files\JetBrains\IntelliJ IDEA 2019.2.scala\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\JetBrains\IntelliJ IDEA 2019.2.scala\lib\idea_rt.jar;C:\Program Files\JetBrains\IntelliJ IDEA 2019.2.scala\plugins\junit\lib\junit-rt.jar;C:\Program Files\JetBrains\IntelliJ IDEA 2019.2.scala\plugins\junit\lib\junit5-rt.jar;D:\Java\jdk1.8.0_202\jre\lib\charsets.jar;D:\Java\jdk1.8.0_202\jre\lib\deploy.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\access-bridge-64.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\cldrdata.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\dnsns.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\jaccess.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\jfxrt.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\localedata.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\nashorn.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\sunec.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\sunjce_provider.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\sunmscapi.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\sunpkcs11.jar;D:\Java\jdk1.8.0_202\jre\lib\ext\zipfs.jar;D:\Java\jdk1.8.0_202\jre\lib\javaws.jar;D:\Java\jdk1.8.0_202\jre\lib\jce.jar;D:\Java\jdk1.8.0_202\jre\lib\jfr.jar;D:\Java\jdk1.8.0_202\jre\lib\jfxswt.jar;D:\Java\jdk1.8.0_202\jre\lib\jsse.jar;D:\Java\jdk1.8.0_202\jre\lib\management-agent.jar;D:\Java\jdk1.8.0_202\jre\lib\plugin.jar;D:\Java\jdk1.8.0_202\jre\lib\resources.jar;D:\Java\jdk1.8.0_202\jre\lib\rt.jar;D:\ideapro\boot-chapter4\target\test-classes;D:\ideapro\boot-chapter4\target\classes;C:\Users\ningh\.m2\repository\org\springframework\boot\spring-boot-starter\2.2.0.RELEASE\spring-boot-starter-2.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\boot\spring-boot\2.2.0.RELEASE\spring-boot-2.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\spring-context\5.2.0.RELEASE\spring-context-5.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\spring-aop\5.2.0.RELEASE\spring-aop-5.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\spring-beans\5.2.0.RELEASE\spring-beans-5.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\spring-expression\5.2.0.RELEASE\spring-expression-5.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\boot\spring-boot-autoconfigure\2.2.0.RELEASE\spring-boot-autoconfigure-2.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\boot\spring-boot-starter-logging\2.2.0.RELEASE\spring-boot-starter-logging-2.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\ch\qos\logback\logback-classic\1.2.3\logback-classic-1.2.3.jar;C:\Users\ningh\.m2\repository\ch\qos\logback\logback-core\1.2.3\logback-core-1.2.3.jar;C:\Users\ningh\.m2\repository\org\apache\logging\log4j\log4j-to-slf4j\2.12.1\log4j-to-slf4j-2.12.1.jar;C:\Users\ningh\.m2\repository\org\apache\logging\log4j\log4j-api\2.12.1\log4j-api-2.12.1.jar;C:\Users\ningh\.m2\repository\org\slf4j\jul-to-slf4j\1.7.28\jul-to-slf4j-1.7.28.jar;C:\Users\ningh\.m2\repository\jakarta\annotation\jakarta.annotation-api\1.3.5\jakarta.annotation-api-1.3.5.jar;C:\Users\ningh\.m2\repository\org\springframework\spring-core\5.2.0.RELEASE\spring-core-5.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\spring-jcl\5.2.0.RELEASE\spring-jcl-5.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\yaml\snakeyaml\1.25\snakeyaml-1.25.jar;C:\Users\ningh\.m2\repository\org\springframework\boot\spring-boot-devtools\2.2.0.RELEASE\spring-boot-devtools-2.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\projectlombok\lombok\1.18.10\lombok-1.18.10.jar;C:\Users\ningh\.m2\repository\org\springframework\boot\spring-boot-starter-test\2.2.0.RELEASE\spring-boot-starter-test-2.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\boot\spring-boot-test\2.2.0.RELEASE\spring-boot-test-2.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\springframework\boot\spring-boot-test-autoconfigure\2.2.0.RELEASE\spring-boot-test-autoconfigure-2.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\com\jayway\jsonpath\json-path\2.4.0\json-path-2.4.0.jar;C:\Users\ningh\.m2\repository\net\minidev\json-smart\2.3\json-smart-2.3.jar;C:\Users\ningh\.m2\repository\net\minidev\accessors-smart\1.2\accessors-smart-1.2.jar;C:\Users\ningh\.m2\repository\org\ow2\asm\asm\5.0.4\asm-5.0.4.jar;C:\Users\ningh\.m2\repository\org\slf4j\slf4j-api\1.7.28\slf4j-api-1.7.28.jar;C:\Users\ningh\.m2\repository\jakarta\xml\bind\jakarta.xml.bind-api\2.3.2\jakarta.xml.bind-api-2.3.2.jar;C:\Users\ningh\.m2\repository\jakarta\activation\jakarta.activation-api\1.2.1\jakarta.activation-api-1.2.1.jar;C:\Users\ningh\.m2\repository\org\junit\jupiter\junit-jupiter\5.5.2\junit-jupiter-5.5.2.jar;C:\Users\ningh\.m2\repository\org\junit\jupiter\junit-jupiter-api\5.5.2\junit-jupiter-api-5.5.2.jar;C:\Users\ningh\.m2\repository\org\apiguardian\apiguardian-api\1.1.0\apiguardian-api-1.1.0.jar;C:\Users\ningh\.m2\repository\org\opentest4j\opentest4j\1.2.0\opentest4j-1.2.0.jar;C:\Users\ningh\.m2\repository\org\junit\platform\junit-platform-commons\1.5.2\junit-platform-commons-1.5.2.jar;C:\Users\ningh\.m2\repository\org\junit\jupiter\junit-jupiter-params\5.5.2\junit-jupiter-params-5.5.2.jar;C:\Users\ningh\.m2\repository\org\junit\jupiter\junit-jupiter-engine\5.5.2\junit-jupiter-engine-5.5.2.jar;C:\Users\ningh\.m2\repository\org\junit\platform\junit-platform-engine\1.5.2\junit-platform-engine-1.5.2.jar;C:\Users\ningh\.m2\repository\org\mockito\mockito-junit-jupiter\3.1.0\mockito-junit-jupiter-3.1.0.jar;C:\Users\ningh\.m2\repository\org\assertj\assertj-core\3.13.2\assertj-core-3.13.2.jar;C:\Users\ningh\.m2\repository\org\hamcrest\hamcrest\2.1\hamcrest-2.1.jar;C:\Users\ningh\.m2\repository\org\mockito\mockito-core\3.1.0\mockito-core-3.1.0.jar;C:\Users\ningh\.m2\repository\net\bytebuddy\byte-buddy\1.10.1\byte-buddy-1.10.1.jar;C:\Users\ningh\.m2\repository\net\bytebuddy\byte-buddy-agent\1.10.1\byte-buddy-agent-1.10.1.jar;C:\Users\ningh\.m2\repository\org\objenesis\objenesis\2.6\objenesis-2.6.jar;C:\Users\ningh\.m2\repository\org\skyscreamer\jsonassert\1.5.0\jsonassert-1.5.0.jar;C:\Users\ningh\.m2\repository\com\vaadin\external\google\android-json\0.0.20131108.vaadin1\android-json-0.0.20131108.vaadin1.jar;C:\Users\ningh\.m2\repository\org\springframework\spring-test\5.2.0.RELEASE\spring-test-5.2.0.RELEASE.jar;C:\Users\ningh\.m2\repository\org\xmlunit\xmlunit-core\2.6.3\xmlunit-core-2.6.3.jar;C:\Users\ningh\.m2\repository\junit\junit\4.12\junit-4.12.jar;C:\Users\ningh\.m2\repository\org\hamcrest\hamcrest-core\2.1\hamcrest-core-2.1.jar" com.intellij.rt.execution.junit.JUnitStarter -ideVersion5 -junit4 com.nice.TestApplication,test2

07:31:25.954 [main] DEBUG org.springframework.context.annotation.AnnotationConfigApplicationContext - Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@57829d67
07:31:25.968 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor'
07:31:26.022 [main] DEBUG org.springframework.context.annotation.ClassPathBeanDefinitionScanner - Identified candidate component class: file [D:\ideapro\boot-chapter4\target\classes\com\nice\life\BeanPostProcessorExample.class]
07:31:26.024 [main] DEBUG org.springframework.context.annotation.ClassPathBeanDefinitionScanner - Identified candidate component class: file [D:\ideapro\boot-chapter4\target\classes\com\nice\pojo\BussinessPerson.class]
07:31:26.025 [main] DEBUG org.springframework.context.annotation.ClassPathBeanDefinitionScanner - Identified candidate component class: file [D:\ideapro\boot-chapter4\target\classes\com\nice\pojo\Cat.class]
07:31:26.025 [main] DEBUG org.springframework.context.annotation.ClassPathBeanDefinitionScanner - Identified candidate component class: file [D:\ideapro\boot-chapter4\target\classes\com\nice\pojo\Dog.class]
07:31:26.094 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.event.internalEventListenerProcessor'
07:31:26.096 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.event.internalEventListenerFactory'
07:31:26.097 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor'
07:31:26.098 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'org.springframework.context.annotation.internalCommonAnnotationProcessor'
07:31:26.102 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'beanPostProcessorExample'
07:31:26.112 [main] DEBUG org.springframework.beans.factory.support.DefaultListableBeanFactory - Creating shared instance of singleton bean 'appConfig'
BeanPostProcessor调用postProcessBeforeInitialization方法，参数[AppConfig$$EnhancerBySpringCGLIB$$101056de][appConfig]
BeanPostProcessor调用postProcessAfterInitialization方法[参数AppConfig$$EnhancerBySpringCGLIB$$101056de][appConfig]
07:31:26.133 [main] DEBUG org.springframework.context.annotation.AnnotationConfigApplicationContext - Closing org.springframework.context.annotation.AnnotationConfigApplicationContext@57829d67, started on Fri Nov 01 07:31:25 CST 2019



Process finished with exit code 0

github地址为:https://github.com/k8nice/boot-chapter4

参考资料:《深入理解Spring Boot 2.x》