spring学习43-p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:p="http://www.springframework.org/schema/p"
           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">
        <property name="title" value="告白气球"/>
        <property name="duration" value="215"/>
     
    </bean>
    <bean id="music2" class="com.geyao.demo.soundSystem.Music" p:title="爱情废材" p:duration="305"/>
     
     
     
    <bean id="compactDisc2" class="com.geyao.demo.soundSystem.CompactDisc">
        <property name="title" value="爱情废材"/>
        <property name="artist" value="周杰伦"/>
        <property 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"/>
     
     
            </array>
        </property>
     
    </bean>
    <bean id="CDplayer1" class="com.geyao.demo.soundSystem.CDPlayer">
        <property name="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

    package com.geyao.demo.soundSystem;
     
    import java.util.List;
    import java.util.Map;
    import java.util.Set;
     
    public class CompactDisc {
        private String title;
        private String artist;
        private 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, 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 String getTitle() {
            return title;
        }
     
        public void setTitle(String title) {
            this.title = title;
            System.out.println("一再"+this.toString()+"中注入title");
        }
     
        public String getArtist() {
            return artist;
        }
     
        public void setArtist(String artist) {
            this.artist = artist;
            System.out.println("一再"+this.toString()+"中注入artist");
        }
     
        public Music[] getTracks() {
            return tracks;
        }
     
        public void setTracks(Music[] tracks) {
            this.tracks = tracks;
            System.out.println("一再"+this.toString()+"中注入tracks");
        }
     
        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());
            }
            //for(String key:this.tracks.keySet()){
             //   System.out.println("key:"+key);
              //  Music music=this.tracks.get(key);
             //   System.out.println("音乐"+music.getTitle()+"时长"+music.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;
            System.out.println("一再"+this.toString()+"中注入title");
        }
     
        public Integer getDuration() {
            return duration;
        }
     
        public void setDuration(Integer duration) {
            this.duration = duration;
            System.out.println("一再"+this.toString()+"中注入duration");
        }
     
        public Music() {
            super();
            System.out.println("Music的狗只函数。。。"+this.toString());
        }
     
        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 CompactDisc getCd() {
            return cd;
        }
     
        public void setCd(CompactDisc cd) {
            this.cd = cd;
            System.out.println("一再"+this.toString()+"中注入cd");
        }
     
        public void play(){
            System.out.println("CDplayer:"+this.toString());
            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();
        }
     
    }
     

CDplaytest类

    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();
        }
     
    }

ApptestSX类

    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 AppTestSX {
        @Autowired
        private CDPlayer cdPlayer;
     
        @Test
        public void test(){
            cdPlayer.play();
        }
    }

运行结果

    Music的狗只函数。。。com.geyao.demo.soundSystem.Music@66d3eec0
    一再com.geyao.demo.soundSystem.Music@66d3eec0中注入title
    一再com.geyao.demo.soundSystem.Music@66d3eec0中注入duration
    Music的狗只函数。。。com.geyao.demo.soundSystem.Music@428640fa
    一再com.geyao.demo.soundSystem.Music@428640fa中注入title
    一再com.geyao.demo.soundSystem.Music@428640fa中注入duration
    compactdisc构造函数
    一再com.geyao.demo.soundSystem.CompactDisc@506ae4d4中注入title
    一再com.geyao.demo.soundSystem.CompactDisc@506ae4d4中注入artist
    一再com.geyao.demo.soundSystem.CompactDisc@506ae4d4中注入tracks
    cdplayer的构造方法com.geyao.demo.soundSystem.CDPlayer@7d4f9aae
    一再com.geyao.demo.soundSystem.CDPlayer@7d4f9aae中注入cd
    CDplayer:com.geyao.demo.soundSystem.CDPlayer@7d4f9aae
    播放cd音乐com.geyao.demo.soundSystem.CompactDisc@506ae4d4爱情废材周杰伦
    音乐告白气球时长215
    音乐爱情废材时长215