package com.xy.test1;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
@Service // 需要被注入屬性值的類需要被Spring管理 
public class PropertiesService1 {
	// 利用@Value注解，即使沒有該屬性或者屬性文件也不會報錯 
	// @Value輸入屬性值name，默認(rèn)值xydefault 
	@Value("${name:xydefault}") 
	  private String name;
	// @Value輸入屬性值num，默認(rèn)值-1 
	@Value("${num:-1}") 
	  private Integer num;
	// @Value輸入屬性值type，默認(rèn)值-2 
	@Value("${type:-2}") 
	  private Integer type;
	public void getInfo() {
		System.out.println("name:" + name + ",num:" + num + ",type:" + type);
	}
}

#src/main/resource新建文件info.properties 
name=xy1 
num=101 
type=1 

	
	
		
			classpath:info/info.properties
		
	

package com.xy.test2;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
/** 
 * 該類必須被Spring容器管理屬性才可以被注入。利用@Value注解，即使沒有該屬性或者屬性文件也不會報錯 
 */
@Service 
public class PropertiesService2 {
	@Value("#{testPro}") 
	  private Properties pros;
	@Value("#{testList}") 
	  private List myList;
	@Value("#{testMap}") 
	  private Map myMap;
	public Properties getPros() {
		return pros;
	}
	public void setPros(Properties pros) {
		this.pros = pros;
	}
	public List getMyList() {
		return myList;
	}
	public void setMyList(List myList) {
		this.myList = myList;
	}
	public Map getMyMap() {
		return myMap;
	}
	public void setMyMap(Map myMap) {
		this.myMap = myMap;
	}
}

#src/main/resource新建文件info2.properties 
name=xy2 
num=102 
type=2 

   
 
 
 
 
 
 
 
 
  first 
  second 
  third