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  • Spring、基本类型属性和集合类型属性的注入

    Spring 还可以对基本属性和集合类型属性进行注入:

    public interface PersonIService {
    	public String getBaseProperty();
    	public Set<String> getSets();
    	public List<Integer> getList();
    	public Properties getProperties();
    	public Map<String, String> getMaps();
    }


    public class PersonServiceImpl implements PersonIService {
    	private String baseProperty;
    	private Set<String> sets;
    	private List<Integer> list;
    	private Properties properties;
    	private Map<String,String> maps;
    	
    	
    	public Map<String, String> getMaps() {
    		return maps;
    	}
    
    	public void setMaps(Map<String, String> maps) {
    		this.maps = maps;
    	}
    
    	public Properties getProperties() {
    		return properties;
    	}
    
    	public void setProperties(Properties properties) {
    		this.properties = properties;
    	}
    
    	public List<Integer> getList() {
    		return list;
    	}
    
    	public void setList(List<Integer> list) {
    		this.list = list;
    	}
    
    	public Set<String> getSets() {
    		return sets;
    	}
    	
    	public String getBaseProperty() {
    		return baseProperty;
    	}
    
    	public void setBaseProperty(String baseProperty) {
    		this.baseProperty = baseProperty;
    	}
    
    	public void setSets(Set<String> sets) {
    		this.sets = sets;
    	}
    }

    beans.xml:

    <bean id="personIService" class="cn.server.impl.PersonServiceImpl">
    		<property name="baseProperty" value="value:基本属性1" />
    		<property name="sets">
    			<set>
    				<value>set装配-value1</value>
    				<value>set装配-value2</value>
    				<value>set装配-value3</value>
    			</set>
    		</property>
    		<property name="list">
    			<list>
    				<value>11</value>
    				<value>12</value>
    				<value>13</value>
    			</list>
    		</property>
    		<property name="properties">
    			<props>
    				<prop key="property1">value1</prop>
    				<prop key="property2">value2</prop>
    				<prop key="property3">value3</prop>
    			</props>
    		</property>
    		<property name="maps">
    			<map>
    				<entry key="map1" value="value1" />
    				<entry key="map2" value="value2" />
    				<entry key="map3" value="value3" />
    			</map>
    		</property>
    	</bean>

    测试代码:

    @Test
    	public void otherTest(){
    		ApplicationContext ac = new ClassPathXmlApplicationContext("beans.xml");
    		PersonIService personIService=(PersonIService)ac.getBean("personIService");
    		System.out.println("========基本属性注入============");
    		System.out.println(personIService.getBaseProperty());
    		System.out.println("========Set集合类型注入============");
    		for(String str : personIService.getSets()){
    			System.out.println(str);
    		}
    		System.out.println("========list集合类型注入============");
    		for(Integer i : personIService.getList()){
    			System.out.println(i);
    		}
    		System.out.println("========properties集合类型注入============");
    		for(Object key : personIService.getProperties().keySet()){
    			System.out.println(key+"="+personIService.getProperties().getProperty(key.toString()));
    		}
    		System.out.println("========map集合类型注入============");
    		for(Object key : personIService.getMaps().keySet()){
    			System.out.println(key+"="+personIService.getMaps().get(key));
    		}
    	}



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  • 原文地址:https://www.cnblogs.com/raphael5200/p/5114740.html
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