spring设置profile

三个配置文件 application.xml applicaiton-dev.xml applicaiton-pro.xml

application.xml

<?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">

    <import resource="classpath:application-dev.xml"/>

    <import resource="classpath:application-pro.xml"/>
</beans>

application-dev.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans profile="dev" 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="user" name="userAlias" class="spring.User"/>
    <bean id="userService" class="spring.UserService"/>

</beans>

application-pro.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans profile="pro" 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="userPro" name="userAliasPro" class="spring.User"/>
    <bean id="userServicePro" class="spring.UserService"/>

</beans>

设置我们的环境：测试 开发 生产 参考资料：https://www.baeldung.com/spring-profiles

//-Dspring.profiles.active=dev
System.setProperty(AbstractEnvironment.ACTIVE_PROFILES_PROPERTY_NAME, "pro");

ClasspathXMLApplicationContext ctx = new ClasspathXMLApplicationContext("classpath:application.xml");

源码见：

// Tell the subclass to refresh the internal bean factory.
ConfigurableListableBeanFactory beanFactory = obtainFreshBeanFactory();