SPRING IN ACTION 第4版笔记-第二章WIRING BEANS-007-以set方法注入<property>\p-namespace\util-space

一、注入简单属性

 package soundsystem.properties;
 import org.springframework.beans.factory.annotation.Autowired;

 import soundsystem.CompactDisc;
 import soundsystem.MediaPlayer;

 public class CDPlayer implements MediaPlayer {
   private CompactDisc compactDisc;

   @Autowired
   public void setCompactDisc(CompactDisc compactDisc) {
     this.compactDisc = compactDisc;
   }

   public void play() {
     compactDisc.play();
   }

 }

1.<property>

<bean id="cdPlayer"
class="soundsystem.CDPlayer">
<property name="compactDisc" ref="compactDisc" />
</bean>

2.p-namespace(p表示property)

 <?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 id="compactDisc" class="soundsystem.BlankDisc">
     <constructor-arg value="Sgt. Pepper's Lonely Hearts Club Band" />
     <constructor-arg value="The Beatles" />
   </bean>

   <bean id="cdPlayer" class="soundsystem.properties.CDPlayer"
         p:compactDisc-ref="compactDisc" />

 </beans>

二、注入集合属性

 package soundsystem.properties;

 import java.util.List;

 import soundsystem.CompactDisc;

 public class BlankDisc implements CompactDisc {

   private String title;
   private String artist;
   private List<String> tracks;

   public void setTitle(String title) {
     this.title = title;
   }

   public void setArtist(String artist) {
     this.artist = artist;
   }

   public void setTracks(List<String> tracks) {
     this.tracks = tracks;
   }

   public void play() {
     System.out.println("Playing " + title + " by " + artist);
     for (String track : tracks) {
       System.out.println("-Track: " + track);
     }
   }

 }

1.<property>

 <?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 id="compactDisc"
         class="soundsystem.properties.BlankDisc">
     <property name="title" value="Sgt. Pepper's Lonely Hearts Club Band" />
     <property name="artist" value="The Beatles" />
     <property name="tracks">
       <list>
         <value>Sgt. Pepper's Lonely Hearts Club Band</value>
         <value>With a Little Help from My Friends</value>
         <value>Lucy in the Sky with Diamonds</value>
         <value>Getting Better</value>
         <value>Fixing a Hole</value>
         <value>She's Leaving Home</value>
         <value>Being for the Benefit of Mr. Kite!</value>
         <value>Within You Without You</value>
         <value>When I'm Sixty-Four</value>
         <value>Lovely Rita</value>
         <value>Good Morning Good Morning</value>
         <value>Sgt. Pepper's Lonely Hearts Club Band (Reprise)</value>
         <value>A Day in the Life</value>
       </list>
     </property>
   </bean>

   <bean id="cdPlayer"
         class="soundsystem.properties.CDPlayer"
         p:compactDisc-ref="compactDisc" />

 </beans>

2.p-namespace

 <?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 id="compactDisc"
         class="soundsystem.properties.BlankDisc"
         p:title="Sgt. Pepper's Lonely Hearts Club Band"
         p:artist="The Beatles">
     <property name="tracks">
       <list>
         <value>Sgt. Pepper's Lonely Hearts Club Band</value>
         <value>With a Little Help from My Friends</value>
         <value>Lucy in the Sky with Diamonds</value>
         <value>Getting Better</value>
         <value>Fixing a Hole</value>
         <value>She's Leaving Home</value>
         <value>Being for the Benefit of Mr. Kite!</value>
         <value>Within You Without You</value>
         <value>When I'm Sixty-Four</value>
         <value>Lovely Rita</value>
         <value>Good Morning Good Morning</value>
         <value>Sgt. Pepper's Lonely Hearts Club Band (Reprise)</value>
         <value>A Day in the Life</value>
       </list>
     </property>
   </bean>

   <bean id="cdPlayer"
         class="soundsystem.properties.CDPlayer"
         p:compactDisc-ref="compactDisc" />

 </beans>

3.util-namepsace

 <?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"
   xmlns:util="http://www.springframework.org/schema/util"
   xsi:schemaLocation="http://www.springframework.org/schema/beans
     http://www.springframework.org/schema/beans/spring-beans.xsd
     http://www.springframework.org/schema/util
     http://www.springframework.org/schema/util/spring-util.xsd">

   <bean id="compactDisc"
         class="soundsystem.properties.BlankDisc"
         p:title="Sgt. Pepper's Lonely Hearts Club Band"
         p:artist="The Beatles"
         p:tracks-ref="trackList" />

   <util:list id="trackList">
     <value>Sgt. Pepper's Lonely Hearts Club Band</value>
     <value>With a Little Help from My Friends</value>
     <value>Lucy in the Sky with Diamonds</value>
     <value>Getting Better</value>
     <value>Fixing a Hole</value>
     <value>She's Leaving Home</value>
     <value>Being for the Benefit of Mr. Kite!</value>
     <value>Within You Without You</value>
     <value>When I'm Sixty-Four</value>
     <value>Lovely Rita</value>
     <value>Good Morning Good Morning</value>
     <value>Sgt. Pepper's Lonely Hearts Club Band (Reprise)</value>
     <value>A Day in the Life</value>
   </util:list>

   <bean id="cdPlayer"
         class="soundsystem.properties.CDPlayer"
         p:compactDisc-ref="compactDisc" />

 </beans>