spring--启用注解功能
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:p="http://www.springframework.org/schema/p" xmlns:c="http://www.springframework.org/schema/c" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" <!--启用注解所需要的--> xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context <!--启用注解所需要添加到schemaLocation--> https://www.springframework.org/schema/context/spring-context.xsd" <!--启用注解所需要添加到schemaLocation--> default-autowire="constructor"> <context:annotation-config/> <!--启用注解--> </beans>
在所在使用注解的类import导入注解包
import org.springframework.beans.factory.annotation.*;