代码示例如下:
创建BeanClass实体类
public class BeanClass {
private String[] arrs;//数组类型
private List<String> list;//List集合类型
private Set<String> set;//Set集合类型
private Map<String,Integer> map;//Map集合类型
private Properties prop;//属性类型 //getter和setter方法
//toString()方法 }
在applicationContext.xml中配置Bean
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"> <!--集合类型属性注入-->
<bean id="beanClass" class="entity.BeanClass">
<!--数组类型-->
<property name="arrs">
<list>
<value>aa</value>
<value>bb</value>
</list>
</property>
<!--List集合-->
<property name="list">
<list>
<value>111</value>
<value>222</value>
</list>
</property>
<!--Set集合-->
<property name="set">
<set>
<value>aaa</value>
<value>bbb</value>
</set>
</property>
<!--Map集合-->
<property name="map">
<map>
<entry key="aa" value="11"></entry>
<entry key="bb" value="22"></entry>
</map>
</property>
<!--Properties属性-->
<property name="prop">
<props>
<prop key="aa">11</prop>
<prop key="bb">22</prop>
</props>
</property>
</bean> </beans>
测试代码
@Test
public void demo(){
//初始化Spring容器ApplicationContext,加载配置文件
ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext("applicationContext.xml");
//通过容器获取实例
BeanClass beanClass = (BeanClass) ctx.getBean("beanClass");
System.out.println(beanClass);
}
运行结果