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 id="music1" class="com.geyao.demo.soundSystem.Music"> <constructor-arg value="i do 1"/> <constructor-arg value="270"/> </bean> <bean id="music2" class="com.geyao.demo.soundSystem.Music"> <constructor-arg value="i do 2"/> <constructor-arg value="270"/> </bean> <bean id="music3" class="com.geyao.demo.soundSystem.Music"> <constructor-arg value="i do 3"/> <constructor-arg value="270"/> </bean> <bean id="compactDisc1" class="com.geyao.demo.soundSystem.CompactDisc"> <constructor-arg name="title" value="I Do"/> <constructor-arg name="artist" value="莫文蔚"/> <constructor-arg name="tracks"> <array> <!--<value>i do 1</value> <value>i do 2</value> <value>i do 3</value> <ref bean="music1"/> <ref bean="music2"/> <ref bean="music3"/> <ref bean="music3"/> <entry key="m1" value-ref="music1"/> <entry key="m2" value-ref="music2"/> <entry key="m3" value-ref="music3"/> --> <ref bean="music1"/> <ref bean="music2"/> <ref bean="music3"/> </array> </constructor-arg> </bean> </beans> <!-- <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>-->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=ERRORCompactDisc类 package com.geyao.demo.soundSystem; import java.util.List; import java.util.Set; public class CompactDisc { private String title; private String artist; private Set<Music> tracks; public CompactDisc() { super(); System.out.println("compactdisc构造函数"); } public CompactDisc(String title,String artist){ this.title =title; this.artist=artist; System.out.println("compactDisc的有残构造函数"+this.toString()); } public CompactDisc(String title, String artist, Set<Music> tracks) { this.title = title; this.artist = artist; this.tracks = tracks; System.out.println("s三个方法的构造函数"); } public void play(){ System.out.println("播放cd音乐"+this.toString()+""+this.title+""+this.artist); for(Music track:this.tracks){ System.out.println("音乐"+track.getTitle()+"时长"+track.getDuration()); } } }Music类 package com.geyao.demo.soundSystem; public class Music { private String title; private Integer duration; public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public Integer getDuration() { return duration; } public void setDuration(Integer duration) { this.duration = duration; } public Music() { super(); } public Music(String title, Integer duration) { this.title = title; this.duration = duration; } }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.beans.factory.annotation.Qualifier; import org.springframework.test.context.ContextConfiguration; import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration("classpath:applicationContext.xml") public class AppTest { @Autowired private CompactDisc compactDisc1; //@Autowired //private CompactDisc compactDisc12; //@Autowired //@Qualifier("compacDisc2") // private CompactDisc compactDisc3; @Test public void testApp(){ compactDisc1.play(); // compactDisc12.play(); // compactDisc3.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 { @Autowired private CDPlayer cdPlayer1; @Autowired private CDPlayer cdPlayer2; @Test public void test01(){ cdPlayer1.play(); } @Test public void test02(){ cdPlayer1.play(); } }
运行结果
s三个方法的构造函数
播放cd音乐com.geyao.demo.soundSystem.CompactDisc@48bb62I Do莫文蔚
音乐i do 1时长270
音乐i do 2时长270
音乐i do 3时长270