創建項目
項目名稱:spring092601
2.引入spring jar包
commons-logging.jar
junit-4.4.jar
log4j.jar
spring-beans-3.2.0.RELEASE.jar
spring-context-3.2.0.RELEASE.jar
spring-core-3.2.0.RELEASE.jar
spring-expression-3.2.0.RELEASE.jar
3.添加配置文件
在conf下添加spring的核心配置文件applicationContext.xml,配置如下:
<?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">
</beans>
4.創建業務bean
在src目錄下創建
包名:cn.jbit.spring092601.domain
package cn.jbit.spring092601.domain;
import java.io.Serializable;
/**
* 學校
* @author Administrator
*
*/
public class School implements Serializable {
private Integer id;//學校編號
private String name;//學校名稱
public School() {
super();
}
public School(String name) {
super();
this.name = name;
}
public School(Integer id,String name) {
super();
this.id = id;
this.name = name;
}
public void setId(Integer id) {
this.id = id;
}
public Integer getId() {
return id;
}
public void setName(String name) {
this.name = name;
}
public String getName() {
return name;
}
}
5.在配置文件中編寫bean的配置,並注入屬性值,也就是我們的DI(Dependency Injection)依賴注入
配置如下:
<?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">
<!--
構造函數注入
-->
<bean id="school" class="cn.jbit.spring092601.domain.School">
<!-- index:表示構造函數中參數的索引 -->
<constructor-arg index="0">
<value>1</value>
</constructor-arg>
<constructor-arg index="1">
<value>lisi</value>
</constructor-arg>
</bean>
</beans>
6.測試bean的屬性注入
在test目錄下測試
包名:cn.jbit.spring092601.domain
/**
* 構造函數注入
*/
@Test
public void testConstr(){
/*
*
*/
BeanFactory beanFactory = new XmlBeanFactory(new ClassPathResource("applicationContext.xml"));
School school = (School) beanFactory.getBean("school");
System.out.println(school.getName()+school.getId());
}
Spring-依賴注入-多參數的構造函數注入方式
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