spring学习（38）:注入set类型

目录结构

pom.xml


4.0.0com.geyaospring01geyao1.0-SNAPSHOTorg.springframeworkspring-context4.3.13.RELEASEorg.springframeworkspring-test3.2.0.RELEASElog4jlog4j1.2.17junitjunit4.12org.springframeworkspring-test4.3.4.RELEASEtestorg.springframeworkspring-test4.3.4.RELEASEtest


applictioncontext.xml

log4j.properties

### 设置###
log4j.rootLogger &＃61; ERROR,stdout### 输出信息到控制抬 ###
log4j.appender.stdout &＃61; org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout &＃61; org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern &＃61; [%-5p] %d{yyyy-MM-dd HH:mm:ss,SSS} method:%l%n%m%n
log4j.category.org.springframework.beans.factory&＃61;ERROR

CompactDisc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 tracks;public CompactDisc() {super();System.out.println("compactdisc构造函数");}public CompactDisc(String title,String artist){this.title &＃61;title;this.artist&＃61;artist;System.out.println("compactDisc的有残构造函数"&＃43;this.toString());}public CompactDisc(String title, String artist, Set tracks) {this.title &＃61; title;this.artist &＃61; artist;this.tracks &＃61; 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"&＃43;this.toString()&＃43;""&＃43;this.title&＃43;""&＃43;this.artist);for(Music track:this.tracks){System.out.println("音乐"&＃43;track.getTitle()&＃43;"时长"&＃43;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 &＃61; title;}public Integer getDuration() {return duration;}public void setDuration(Integer duration) {this.duration &＃61; duration;}public Music() {super();}public Music(String title, Integer duration) {this.title &＃61; title;this.duration &＃61; 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"&＃43;this.toString());}public CDPlayer(CompactDisc cd){this.cd&＃61;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&＃61;new ClassPathXmlApplicationContext("applicationContext.xml");CompactDisc cd1&＃61;(CompactDisc) context.getBean("compactDisc1");CompactDisc cd2&＃61;(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;&＃64;RunWith(SpringJUnit4ClassRunner.class)
&＃64;ContextConfiguration("classpath:applicationContext.xml")
public class AppTest {&＃64;Autowiredprivate CompactDisc compactDisc1;//&＃64;Autowired//private CompactDisc compactDisc12;//&＃64;Autowired//&＃64;Qualifier("compacDisc2")// private CompactDisc compactDisc3;&＃64;Testpublic 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;&＃64;RunWith(SpringJUnit4ClassRunner.class)
&＃64;ContextConfiguration("classpath:applicationContext.xml")
public class CDplayerTest {&＃64;Autowiredprivate CDPlayer cdPlayer1;&＃64;Autowiredprivate CDPlayer cdPlayer2;&＃64;Testpublic void test01(){cdPlayer1.play();}&＃64;Testpublic 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&＃64;4d1c005eI 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