加入spring test.jar包

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 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.geyao</groupId><artifactId>spring01geyao</artifactId><version>1.0-SNAPSHOT</version><dependencies><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>4.3.13.RELEASE</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-test</artifactId><version>4.3.13.RELEASE</version></dependency><dependency><groupId>log4j</groupId><artifactId>log4j</artifactId><version>1.2.17</version></dependency><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.12</version></dependency></dependencies></project>

CompactDisc類

package soundSystem;import org.springframework.stereotype.Component;@Component public class CompactDisc {public CompactDisc() {super();System.out.println("compactdisc無參構造方法");}public void play(){System.out.println("正在播放音樂....");} }

CDplay類

package soundSystem;import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Component;@Component public class CDPlayer {private CompactDisc cd;public CDPlayer() {super();System.out.println("CDPlayer無參構造方法");} @Autowiredpublic CDPlayer(CompactDisc cd) {this.cd = cd;System.out.println("CDPlayer有參構造方法");}public void play(){cd.play();} }

?

appconfig類

package soundSystem;import org.springframework.context.annotation.ComponentScan; //spring注解類 @ComponentScan public class Appconfig { }

apptest類

package soundSystem;import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.ApplicationContext; import org.springframework.context.annotation.AnnotationConfigApplicationContext; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;//@RunWith(SpringJunit4ClassRunner.class) //@ContextConfiguration(class=) @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration(classes = Appconfig.class) public class AppTest {@Autowiredprivate CDPlayer player;@Testpublic void testPlay(){player.play();} }

運行結果

[INFO ] 2019-10-29 21:19:35,531 method:org.springframework.context.support.AbstractApplicationContext.prepareRefresh(AbstractApplicationContext.java:583) Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@32709393: startup date [Tue Oct 29 21:19:35 CST 2019]; root of context hierarchy [DEBUG] 2019-10-29 21:19:35,565 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' [DEBUG] 2019-10-29 21:19:35,566 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' [DEBUG] 2019-10-29 21:19:35,602 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' to allow for resolving potential circular references [DEBUG] 2019-10-29 21:19:35,609 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' [DEBUG] 2019-10-29 21:19:35,717 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' [DEBUG] 2019-10-29 21:19:35,718 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' [DEBUG] 2019-10-29 21:19:35,720 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' to allow for resolving potential circular references [DEBUG] 2019-10-29 21:19:35,772 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' [DEBUG] 2019-10-29 21:19:35,773 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' [DEBUG] 2019-10-29 21:19:35,774 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' [DEBUG] 2019-10-29 21:19:35,775 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' to allow for resolving potential circular references [DEBUG] 2019-10-29 21:19:35,792 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' [DEBUG] 2019-10-29 21:19:35,806 method:org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:730) Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@124c278f: defining beans [org.springframework.context.annotation.internalConfigurationAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor,org.springframework.context.event.internalEventListenerProcessor,org.springframework.context.event.internalEventListenerFactory,appconfig,CDPlayer,compactDisc]; root of factory hierarchy [DEBUG] 2019-10-29 21:19:35,806 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'org.springframework.context.annotation.internalConfigurationAnnotationProcessor' [DEBUG] 2019-10-29 21:19:35,807 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'org.springframework.context.annotation.internalAutowiredAnnotationProcessor' [DEBUG] 2019-10-29 21:19:35,810 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'org.springframework.context.annotation.internalRequiredAnnotationProcessor' [DEBUG] 2019-10-29 21:19:35,813 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'org.springframework.context.event.internalEventListenerProcessor' [DEBUG] 2019-10-29 21:19:35,815 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'org.springframework.context.event.internalEventListenerProcessor' [DEBUG] 2019-10-29 21:19:35,825 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'org.springframework.context.event.internalEventListenerProcessor' to allow for resolving potential circular references [DEBUG] 2019-10-29 21:19:35,834 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'org.springframework.context.event.internalEventListenerProcessor' [DEBUG] 2019-10-29 21:19:35,835 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'org.springframework.context.event.internalEventListenerFactory' [DEBUG] 2019-10-29 21:19:35,836 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'org.springframework.context.event.internalEventListenerFactory' [DEBUG] 2019-10-29 21:19:35,836 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'org.springframework.context.event.internalEventListenerFactory' to allow for resolving potential circular references [DEBUG] 2019-10-29 21:19:35,844 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'org.springframework.context.event.internalEventListenerFactory' [DEBUG] 2019-10-29 21:19:35,846 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'appconfig' [DEBUG] 2019-10-29 21:19:35,846 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'appconfig' [DEBUG] 2019-10-29 21:19:35,848 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'appconfig' to allow for resolving potential circular references [DEBUG] 2019-10-29 21:19:35,855 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'appconfig' [DEBUG] 2019-10-29 21:19:35,856 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'CDPlayer' [DEBUG] 2019-10-29 21:19:35,857 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'CDPlayer' [DEBUG] 2019-10-29 21:19:35,876 method:org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:221) Creating shared instance of singleton bean 'compactDisc' [DEBUG] 2019-10-29 21:19:35,877 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:449) Creating instance of bean 'compactDisc' compactdisc無參構造方法 [DEBUG] 2019-10-29 21:19:35,878 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'compactDisc' to allow for resolving potential circular references [DEBUG] 2019-10-29 21:19:35,885 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'compactDisc' [DEBUG] 2019-10-29 21:19:35,886 method:org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:757) Autowiring by type from bean name 'CDPlayer' via constructor to bean named 'compactDisc' CDPlayer有參構造方法 [DEBUG] 2019-10-29 21:19:35,889 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539) Eagerly caching bean 'CDPlayer' to allow for resolving potential circular references [DEBUG] 2019-10-29 21:19:35,891 method:org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:485) Finished creating instance of bean 'CDPlayer' [DEBUG] 2019-10-29 21:19:35,891 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'compactDisc' [DEBUG] 2019-10-29 21:19:35,892 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'org.springframework.context.event.internalEventListenerFactory' [DEBUG] 2019-10-29 21:19:35,970 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'lifecycleProcessor' [DEBUG] 2019-10-29 21:19:35,980 method:org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:251) Returning cached instance of singleton bean 'CDPlayer' 正在播放音樂....Process finished with exit code 0

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