spring开发_使用p名称空间配置属性

 1 package com.b510.app.test;
 2 
 3 import org.springframework.context.ApplicationContext;
 4 import org.springframework.context.support.ClassPathXmlApplicationContext;
 5 
 6 import com.b510.service.AnimalService;
 7 
 8 public class SpringTest {
 9     public static void main(String[] args) {
10         ApplicationContext act = new ClassPathXmlApplicationContext("beans.xml");
11         // 获取id为animaleServiceOfDog的Bean
12         AnimalService animalServiceOfDog = (AnimalService) act
13                 .getBean("animaleServiceOfDog");
14         animalServiceOfDog.getInfo();
15         // 获取id为animaleServiceOfCat的Bean
16         AnimalService animalServiceOfCat = (AnimalService) act
17                 .getBean("animaleServiceOfCat");
18         animalServiceOfCat.getInfo();
19     }
20 }

 1 package com.b510.service;
 2 
 3 /**
 4  * 动物抽象类
 5  * 
 6  * @author Hongten
 7  * 
 8  */
 9 public interface AnimalService {
10 
11     /**
12      * 获取相关信息
13 */
14     public abstract void getInfo();
15 
16 }

 1 package com.b510.service;
 2 
 3 /**
 4  * 定义抽象类MeatService肉类
 5  * 
 6  * @author Hongten
 7  * 
 8  */
 9 public interface MeatService {
10 
11     /**
12      * 定义方法whatMeat
13      * 
14      * @return 返回一个字符串
15 */
16     public abstract String whatMeat();
17 }

 1 package com.b510.service.impl;
 2 
 3 import com.b510.service.AnimalService;
 4 import com.b510.service.MeatService;
 5 
 6 /**
 7  * 定义猫类实现AnimaleService抽象类
 8  * 
 9  * @author Hongten
10  * 
11  */
12 public class CatServiceBean implements AnimalService {
13     private int age;
14     private MeatService meatService;
15 
16     public int getAge() {
17         return age;
18     }
19 
20     public void setAge(int age) {
21         this.age = age;
22     }
23 
24     @Override
25     public void getInfo() {
26         System.out.println("我是猫，我的年龄是:"+age+",我很喜欢吃"+meatService.whatMeat());
27     }
28 
29     public MeatService getMeatService() {
30         return meatService;
31     }
32 
33     public void setMeatService(MeatService meatService) {
34         this.meatService = meatService;
35     }
36     
37 
38 }

 1 package com.b510.service.impl;
 2 
 3 import com.b510.service.AnimalService;
 4 import com.b510.service.MeatService;
 5 
 6 /**
 7  * 定义DogServiceBean类
 8  * 
 9  * @author Hongten
10  * 
11  */
12 public class DogServiceBean implements AnimalService {
13     private int age;
14     private MeatService meatService;
15 
16     public MeatService getMeatService() {
17         return meatService;
18     }
19 
20     public void setMeatService(MeatService meatService) {
21         this.meatService = meatService;
22     }
23 
24     public int getAge() {
25         return age;
26     }
27 
28     public void setAge(int age) {
29         this.age = age;
30     }
31 
32     @Override
33     public void getInfo() {
34         System.out.println("我是狗，我的年龄是:" + age + ",我很喜欢吃"
35                 + meatService.whatMeat());
36     }
37 
38 }

 1 package com.b510.service.impl;
 2 
 3 import com.b510.service.MeatService;
 4 
 5 /**
 6  * 定义鱼肉实现MeatService抽象类
 7  * 
 8  * @author Hongten
 9  * 
10  */
11 public class FishServiceBean implements MeatService {
12 
13     @Override
14     public String whatMeat() {
15         return "鱼肉";
16     }
17 
18 }

 1 package com.b510.service.impl;
 2 
 3 import com.b510.service.MeatService;
 4 
 5 /**
 6  * 定义猪肉实现MeatService抽象类
 7  * 
 8  * @author Hongten
 9  * 
10  */
11 public class PorkServiceBean implements MeatService {
12 
13     @Override
14     public String whatMeat() {
15         return "猪肉";
16     }
17 
18 }

 1 <?xml version="1.0" encoding="GBK"?>
 2     <!-- Spring配置文件的根元素，使用spring-beans-3.0.xsd语义约束 -->
 3 <beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4     xmlns="http://www.springframework.org/schema/beans" xmlns:p="http://www.springframework.org/schema/p"
 5     xsi:schemaLocation="http://www.springframework.org/schema/beans
 6     http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
 7     <bean id="meatServiceOfFish" class="com.b510.service.impl.FishServiceBean"></bean>
 8     <bean id="meatServiceOfPork" class="com.b510.service.impl.PorkServiceBean"></bean>
 9     <bean id="animaleServiceOfDog" class="com.b510.service.impl.DogServiceBean"
10         p:age="12" p:meatService-ref="meatServiceOfPork" />
11     <bean id="animaleServiceOfCat" class="com.b510.service.impl.CatServiceBean"
12         p:age="3" p:meatService-ref="meatServiceOfFish" />
13 </beans>

 1 2012-3-12 12:58:51 org.springframework.context.support.AbstractApplicationContext prepareRefresh
 2 信息: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@c1b531: display name [org.springframework.context.support.ClassPathXmlApplicationContext@c1b531]; startup date [Mon Mar 12 12:58:51 CST 2012]; root of context hierarchy
 3 2012-3-12 12:58:51 org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
 4 信息: Loading XML bean definitions from class path resource [beans.xml]
 5 2012-3-12 12:58:54 org.springframework.context.support.AbstractApplicationContext obtainFreshBeanFactory
 6 信息: Bean factory for application context [org.springframework.context.support.ClassPathXmlApplicationContext@c1b531]: org.springframework.beans.factory.support.DefaultListableBeanFactory@111a775
 7 2012-3-12 12:58:54 org.springframework.beans.factory.support.DefaultListableBeanFactory preInstantiateSingletons
 8 信息: Pre-instantiating singletons in org.springframework.beans.factory.support.DefaultListableBeanFactory@111a775: defining beans [meatServiceOfFish,meatServiceOfPork,animaleServiceOfDog,animaleServiceOfCat]; root of factory hierarchy
 9 我是狗，我的年龄是:12,我很喜欢吃猪肉
10 我是猫，我的年龄是:3,我很喜欢吃鱼肉