gallery/image/112614.html">http://www.cnblogs.com/hongten/gallery/image/112614.html
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 { 获取相关信息 getInfo(); }
com.b510.service; MeatService { 方法whatMeat 一个字符串 String whatMeat(); }
添加注解，Spring会采用约定的方式来为这些Bean实例指定名称，这些Bean实例的名称默认是Bean类的首字母小写，其他部分不变。如：catServiceBean
添加注解，相当于覆盖了Spring提供的默认实例名称，所以Bean的实例名称为：cat
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; } 方法：@postconstruct @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; 方法可以不要滴 @Resource(name = "pork") MeatService meatService; DogServiceBean() { System.out.println("狗类被初始化了"); } getAge() { age; } 方法 @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; } 方法 @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"; } }
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:\Wordplace\spring_workspace\spring_1800_Annotation\bin\com\b510\service\impl\CatServiceBean.]] 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:\Wordplace\spring_workspace\spring_1800_Annotation\bin\com\b510\service\impl\DogServiceBean.]] 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]
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