集合类型的装配
<?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-2.5.xsd">
<bean id="personDao" class="cn.itcast.dao.impl.PersonDaoBean"></bean>
<bean id="personService" class="cn.itcast.service.impl.PersonServiceBean">
<property name="sets">
<set>
<value>第一个</value>
<value>第二个</value>
<value>第三个</value>
</set>
</property>
<property name="lists">
<list>
<value>第一个list元素</value>
<value>第二个list元素</value>
<value>第三个list元素</value>
</list>
</property>
<property name="properties">
<props>
<prop key="key1">value1</prop>
<prop key="key2">value2</prop>
<prop key="key3">value3</prop>
</props>
</property>
<property name="maps">
<map>
<entry key="key-1" value="value-1"></entry>
<entry key="key-2" value="value-2"></entry>
<entry key="key-3" value="value-3"></entry>
</map>
</property>
</bean>
</beans>
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public class PersonServiceBean implements PersonService {
private Set<String> sets=new HashSet<String>();
private List<String> lists=new ArrayList<String>();
private Properties properties=new Properties();
private Map<String,String> maps=new HashMap<String,String>();
public Set<String> getSets() {
return sets;
}
public void setSets(Set<String> sets) {
this.sets = sets;
}
public List<String> getLists() {
return lists;
}
public void setLists(List<String> lists) {
this.lists = lists;
}
public Properties getProperties() {
return properties;
}
public void setProperties(Properties properties) {
this.properties = properties;
}
public Map<String, String> getMaps() {
return maps;
}
public void setMaps(Map<String, String> maps) {
this.maps = maps;
}
}
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public interface PersonService {
public Set<String> getSets();
public List<String> getLists();
public Properties getProperties();
public Map<String, String> getMaps();
}
-------------------------------------------------------
public class SpringTest {
@Test
public void instanceSpring() {
AbstractApplicationContext ctx = new ClassPathXmlApplicationContext("beans.xml");
PersonService personService = (PersonService)ctx.getBean("personService");//Scope为prototype时调用getBean()时实例化bean
for(String value:personService.getSets()){
System.out.println(value);
}
System.out.println("=====list=====");
for(String value:personService.getLists()){
System.out.println(value);
}
System.out.println("=====properties=====");
for(Object key:personService.getProperties().keySet()){
System.out.println(key+"="+personService.getProperties().getProperty((String)key));
}
System.out.println("=====map=====");
for(Object key:personService.getMaps().keySet()){
System.out.println(key+"="+personService.getMaps().get((String)key));
}
ctx.close();// 关闭Spring容器
}
}