通过@Value注解读取properties配置内容

KinglyJn      2012-12-16

java 

@Controller  
@RequestMapping("/value")  
public class ValuePropertyController extends ApplicationController{  
      
    @Value("#{configProperties['jdbc.jdbcUrl']}")  
    private String jdbcUrl;   
      
    @RequestMapping  
    public String value(){  
        System.out.println(jdbcUrl);  
        return "";  
    }  
}


applicationContext.xml 

<bean id="configProperties" class="org.springframework.beans.factory.config.PropertiesFactoryBean">  
   <property name="locations">  
       <list>  
           <value>classpath:database.properties</value>  
       </list>  
   </property>  
</bean>  
<bean id="propertyConfigurer" class="org.springframework.beans.factory.conPreferencesPlaceholderConfigurer">  
    <property name="properties" ref="configProperties"/>  
</bean>


database.properties 

jdbc.jdbcUrl=jdbc:mysql://localhost:3306/commentDemo?useUnicode=true&characterEncoding=UTF-8


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