关于当候选 Bean 数目不为 1 时的应对方法

xiaoxiao2021-03-01  12

正确配置: spring配置 A.配置命名空间 <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-2.5.xsd"> B.加入自动注入 <context:annotation-config/> <context:component-scan base-package="net.shopxx"/> C.spring组件 @Component("jcaptchaFilter") public class JcaptchaFilter implements Filter { D.引入需要注入的类 public class AdminAction extends ActionSupport { @Autowired @Qualifier("jcaptchaFilter") private JcaptchaFilter jcaptchaFilter;
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