spring学习（35）:c名称空间注入

目录结构

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>3.2.0.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><dependency><groupId>org.springframework</groupId><artifactId>spring-test</artifactId><version>4.3.4.RELEASE</version><scope>test</scope></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-test</artifactId><version>4.3.4.RELEASE</version><scope>test</scope></dependency></dependencies>
</project>

applictioncontext.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:c="http://www.springframework.org/schema/c"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"><!--bean元素：描述当前的对象需要由spring容器管理id属性：标识对象 未来在应用程序中可以根据id获取对象class对象：被管理的对象的全名-->
<bean name="compactDisc1 compactDisc12" class="com.geyao.demo.soundSystem.CompactDisc"></bean><bean name="compactDisc2" class="com.geyao.demo.soundSystem.CompactDisc"></bean><bean name="cdPlayer1" class="com.geyao.demo.soundSystem.CDPlayer"><constructor-arg ref="compactDisc1"/></bean><bean name="cdPlayer2" class="com.geyao.demo.soundSystem.CDPlayer" c:cd-ref="compactDisc2"></bean>
</beans>

log4j.properties

### 设置###
log4j.rootLogger = ERROR,stdout### 输出信息到控制抬 ###
log4j.appender.stdout = org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout = org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern = [%-5p] %d{yyyy-MM-dd HH:mm:ss,SSS} method:%l%n%m%n
log4j.category.org.springframework.beans.factory=ERROR

CompactDisc类

import com.geyao.demo.soundSystem.CompactDisc;
import org.springframework.context.support.ClassPathXmlApplicationContext;public class ApplicationSpring {public static void main(String[] args){System.out.println("Application ");ClassPathXmlApplicationContext context=new ClassPathXmlApplicationContext("applicationContext.xml");CompactDisc cd=context.getBean(CompactDisc.class);cd.play();}
}

cdplayer类

package com.geyao.demo.soundSystem;public class CDPlayer {private CompactDisc cd;public CDPlayer() {super();System.out.println("cdplayer的构造方法"+this.toString());}public CDPlayer(CompactDisc cd){this.cd=cd;System.out.println("cdplayer的有残构造方法");}public void play(){cd.play();}
}

ApplicationSpring类

import com.geyao.demo.soundSystem.CompactDisc;
import org.springframework.context.support.ClassPathXmlApplicationContext;public class ApplicationSpring {public static void main(String[] args){System.out.println("Application ");ClassPathXmlApplicationContext context=new ClassPathXmlApplicationContext("applicationContext.xml");CompactDisc cd1=(CompactDisc) context.getBean("compactDisc1");CompactDisc cd2=(CompactDisc) context.getBean("compactDisc2");cd1.play();cd2.play();}
}

appTest类

package com.geyao.demo.souundSystem;import com.geyao.demo.soundSystem.CompactDisc;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:applicationContext.xml")
public class AppTest {@Autowiredprivate CompactDisc compactDisc1;@Autowiredprivate CompactDisc compactDisc12;@Testpublic void testApp(){compactDisc1.play();compactDisc12.play();}}

CDplayerTest

package com.geyao.demo.souundSystem;import com.geyao.demo.soundSystem.CDPlayer;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:applicationContext.xml")
public class CDplayerTest {@Autowiredprivate CDPlayer cdPlayer1;@Autowiredprivate CDPlayer cdPlayer2;@Testpublic void test01(){cdPlayer1.play();}@Testpublic void test02(){cdPlayer1.play();}}

运行结果

compactdisc构造函数
compactdisc构造函数
cdplayer的有残构造方法
cdplayer的有残构造方法
CDplayer:com.geyao.demo.soundSystem.CDPlayer@74e28667
播放cd音乐com.geyao.demo.soundSystem.CompactDisc@1cf6d1be

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