spring开发_Annotation_注解

发布时间：2020-12-15 01:52:42 所属栏目：大数据来源：网络整理

导读：com.b510.app.test; java.util.Arrays; org.springframework.context.ApplicationContext; org.springframework.context.support.ClassPathXmlApplicationContext; SpringTest { main(String[] args) { ApplicationContext act = ClassPathXmlApplicationCon

com.b510.app.test; java.util.Arrays; org.springframework.context.ApplicationContext; org.springframework.context.support.ClassPathXmlApplicationContext; SpringTest { main(String[] args) { ApplicationContext act = ClassPathXmlApplicationContext("beans.xml"); System.out.println(Arrays.toString(act.getBeanDefinitionNames())); } }

com.b510.service; AnimalService { getInfo(); }

com.b510.service; MeatService { String whatMeat(); }

com.b510.service.impl; javax.annotation.PostConstruct; javax.annotation.Resource; org.springframework.stereotype.Component; com.b510.service.AnimalService; com.b510.service.MeatService; @Component("cat") CatServiceBean AnimalService { age; MeatService meatService; CatServiceBean(){ System.out.println("猫类被初始化了"); } getAge() { age; } @PostConstruct @Override getInfo() { System.out.println("我是猫，我的年龄是:"+age+",我很喜欢吃"+meatService.whatMeat()); } MeatService getMeatService() { meatService; } setAge( age) { .age = age; } @Resource(name="fish") setMeatService(MeatService meatService) { .meatService = meatService; } }

com.b510.service.impl; javax.annotation.PostConstruct; javax.annotation.PreDestroy; javax.annotation.Resource; org.springframework.stereotype.Component; com.b510.service.AnimalService; com.b510.service.MeatService; @Component("dog") DogServiceBean AnimalService { age; @Resource(name = "pork") MeatService meatService; DogServiceBean() { System.out.println("狗类被初始化了"); } getAge() { age; } @PostConstruct @Override getInfo() { System.out.println("我是狗，我的年龄是:" + age + ",我很喜欢吃" + meatService.whatMeat()); } MeatService getMeatService() { meatService; } setAge( age) { .age = age; } @PreDestroy close() { System.out.println("这是Bean DogServiceBean销毁之前的方法"); } }

com.b510.service.impl; org.springframework.stereotype.Component; com.b510.service.MeatService; @Component("fish") FishServiceBean MeatService { FishServiceBean(){ System.out.println("鱼肉类被初始化了"); } @Override String whatMeat() { "鱼肉"; } }

com.b510.service.impl; org.springframework.stereotype.Component; com.b510.service.MeatService; @Component("pork") PorkServiceBean MeatService { PorkServiceBean(){ System.out.println("猪肉类被初始化了"); } @Override String whatMeat() { "猪肉"; } }

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="http://www.springframework.org/schema/beans http: http: http: http:

="com.b510.service">

="com.b510.service.impl.CatServiceBean"> ="com.b510.service.impl.DogServiceBean">

2012-3-12 21:17:39 org.springframework.context.support.AbstractApplicationContext prepareRefresh 信息: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@c1b531: display name [org.springframework.context.support.ClassPathXmlApplicationContext@c1b531]; startup date [Mon Mar 12 21:17:39 CST 2012]; root of context hierarchy 2012-3-12 21:17:39 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions 信息: Loading XML bean definitions from path resource [beans.xml] 2012-3-12 21:17:39 org.springframework.beans.factory.support.DefaultListableBeanFactory registerBeanDefinition 信息: Overriding bean definition bean 'cat': replacing [Generic bean: [com.b510.service.impl.CatServiceBean]; scope=singleton; =; lazyInit=; autowireMode=0; dependencyCheck=0; autowireCandidate=; primary=; factoryBeanName=; factoryMethodName=; initMethodName=; destroyMethodName=; defined in file [D:WordPlacespring_workspacespring_1800_Annotationbincomb510serviceimplCatServiceBean.]] with [Generic bean: [com.b510.service.impl.CatServiceBean]; scope=singleton; =; lazyInit=; autowireMode=0; dependencyCheck=0; autowireCandidate=; primary=; factoryBeanName=; factoryMethodName=; initMethodName=; destroyMethodName=; defined in path resource [beans.xml]] 2012-3-12 21:17:39 org.springframework.beans.factory.support.DefaultListableBeanFactory registerBeanDefinition 信息: Overriding bean definition bean 'dog': replacing [Generic bean: [com.b510.service.impl.DogServiceBean]; scope=singleton; =; lazyInit=; autowireMode=0; dependencyCheck=0; autowireCandidate=; primary=; factoryBeanName=; factoryMethodName=; initMethodName=; destroyMethodName=; defined in file [D:WordPlacespring_workspacespring_1800_Annotationbincomb510serviceimplDogServiceBean.]] with [Generic bean: [com.b510.service.impl.DogServiceBean]; scope=singleton; =; lazyInit=; autowireMode=0; dependencyCheck=0; autowireCandidate=; primary=; factoryBeanName=; factoryMethodName=; initMethodName=; destroyMethodName=; defined in path resource [beans.xml]] 2012-3-12 21:17:39 org.springframework.context.support.AbstractApplicationContext obtainFreshBeanFactory 信息: Bean factory application context [org.springframework.context.support.ClassPathXmlApplicationContext@c1b531]: org.springframework.beans.factory.support.DefaultListableBeanFactory@587c94 2012-3-12 21:17:39 org.springframework.beans.factory.support.DefaultListableBeanFactory preInstantiateSingletons 信息: Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@587c94: defining beans [cat,dog,fish,pork,org.springframework.context.annotation.internalCommonAnnotationProcessor,org.springframework.context.annotation.internalAutowiredAnnotationProcessor,org.springframework.context.annotation.internalRequiredAnnotationProcessor]; root of factory hierarchy 猫类被初始化了鱼肉类被初始化了我是猫，我的年龄是:2,我很喜欢吃鱼肉狗类被初始化了猪肉类被初始化了我是狗，我的年龄是:5,我很喜欢吃猪肉 [cat,org.springframework.context.annotation.internalRequiredAnnotationProcessor]

（编辑：李大同）

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