Recognize Spring-1.10 from the beginning use namespace p to inject properties

In this chapter we introduce the use of namespace p to inject properties.

1.domain

Cake Category: (unchanged)

Package Com.raylee.my_new_spring.my_new_spring.ch01.topic_1_10;public class Cake {private final int id = index++; private static int index = 0;private String name = "";p rivate Double size = 0;public string GetName () {return name;} public void SetName (String name) {this.name = name;} Public double GetSize () {return size;} public void SetSize (double size) {this.size = size;} public int getId () {return ID;} @Overridepublic String toString () {return "Create the Cake,its ID:" + ID + ", size:" + size + "inch, Name:" + Name;}}

Chef class:

Note: The configuration file uses the namespace P and cannot have the same property injected constructor

Package Com.raylee.my_new_spring.my_new_spring.ch01.topic_1_10;public class Chief {private static int index = 0;private Cake Cake = null;private final int id = index++;p rivate String name = "";//config file use namespace p, cannot have the following constructor//public chief (String nam E, Cake Cake) {//this.name = name;//This.cake = cake;//}public Cake getcake () {return Cake;} public int getId () {return ID;} Public String GetName () {return name;} Public Cake Makeonecake () {return Cake;} public void Setcake (Cake Cake) {this.cake = Cake;} public void SetName (String name) {this.name = name;}}

2. Test class: (unchanged)

Package Com.raylee.my_new_spring.my_new_spring.ch01.topic_1_10;import Org.junit.test;import Org.junit.runner.runwith;import Org.springframework.beans.factory.annotation.autowired;import Org.springframework.context.applicationcontext;import org.springframework.test.context.ContextConfiguration; Import Org.springframework.test.context.junit4.SpringJUnit4ClassRunner; @RunWith (Springjunit4classrunner.class) @ Contextconfiguration (locations = {"/com/raylee/my_new_spring/my_new_spring/ch01/topic_1_10/ Applicationcontext-test.xml "}) public class Chieftest {@Autowiredprivate ApplicationContext applicationcontext;@ testpublic void Testchief () {Chief chief = Applicationcontext.getbean (Chief.class); System.out.println ("Chief name:" + chief.getname ()); System.out.println (Chief.getname () + "Make a cake, cake ' s name:" + chief.makeonecake ());}}

3. Configuration files

<?xml version= "1.0" encoding= "UTF-8"? ><beans xmlns= "Http://www.springframework.org/schema/beans" xmlns: context= "Http://www.springframework.org/schema/context" xmlns:p= "http://www.springframework.org/schema/p" xmlns: Xsi= "Http://www.w3.org/2001/XMLSchema-instance" xmlns:tx= "Http://www.springframework.org/schema/tx" xmlns:aop= " Http://www.springframework.org/schema/aop "xsi:schemalocation=" Http://www.springframework.org/schema/beans http ://www.springframework.org/schema/beans/spring-beans-3.1.xsdhttp://www.springframework.org/schema/context http ://www.springframework.org/schema/context/spring-context-3.1.xsdhttp://www.springframework.org/schema/tx http:/ /www.springframework.org/schema/tx/spring-tx-3.1.xsdhttp://www.springframework.org/schema/util/HTTP WWW.SPRINGFRAMEWORK.ORG/SCHEMA/UTIL/SPRING-UTIL-3.1.XSDHTTP://WWW.SPRINGFRAMEWORK.ORG/SCHEMA/DATA/JPA/HTTP Www.springframework.org/schema/data/jpa/spring-jpa-1.0.xsdhttp://www.springframework.org/schema/beans/HTTP Www.sprinGframework.org/schema/beans/spring-beans.xsd HTTP://WWW.SPRINGFRAMEWORK.ORG/SCHEMA/AOP/HTTP Www.springframework.org/schema/aop/spring-aop.xsd "><bean id=" cake "class=" com.raylee.my_new_spring.my_new_ Spring.ch01.topic_1_10.Cake "P:name=" Jack ' s own Cake "p:size=" 7 "/><bean id=" Chief "class=" Com.raylee.my_new_ Spring.my_new_spring.ch01.topic_1_10.Chief "P:name=" Jack "p:cake-ref=" Cake "/></beans>

There are three points to note:

(1) The first letter of the name after P is case insensitive

Other words:

<bean id= "Chief" class= "Com.raylee.my_new_spring.my_new_spring.ch01.topic_1_10.Chief" P:name= "Jack" p:cake-ref= "Cake"/>

And

<bean id= "Chief" class= "Com.raylee.my_new_spring.my_new_spring.ch01.topic_1_10.Chief" P:came= "Jack" p:cake-ref= "Cake"/>

Same function

(2) Namespace p and property properties can be mixed

Other words:

<bean id= "Cake" class= "Com.raylee.my_new_spring.my_new_spring.ch01.topic_1_10.Cake" P:name= "Jack ' s own cake" > <property name= "Size" value= "7" ></property></bean>

Summary: This chapter focuses on using the namespace p to inject attributes.

Catalog: http://blog.csdn.net/raylee2007/article/details/50611627

My github:https://github.com/raylee2015/my_new_spring.

Recognize Spring-1.10 from the beginning use namespace p to inject properties