java - 在 Spring 中未调用方面

Question

当 MyBean 的 save 方法被调用时，方面没有被调用

MyBean.java

package com.crm.web.beans;
public class MyBean {
   public String save() {
       System.out.pringln("Save is called");
   }
}

AppConfig.java

@Configuration
@EnableAspectJAutoProxy
public class AppConfig {

@Bean
  public MyLogger myAspect() {
    return new MyLogger();
}

}

MyLogger.java

@Configuration
@Aspect
public class MyLogger {
private Logger log = Logger.getAnonymousLogger();


@Around("execution(* com.crm.web.beans.*(..))")
public void log(JoinPoint point) {
    System.out.println("This is calledddddddddd");

    log.info(point.getSignature().getName() + " called...");
}

应用程序上下文.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" 
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"

xsi:schemaLocation="http://www.springframework.org/schema/beans    http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
    http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
    http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd ">

<context:annotation-config />
<context:spring-configured />

</beans>

我只调用保存方法“保存被调用”被打印出来。提前致谢

Answer 1

好的，我想我成功了，试试这个:

@Configuration
@EnableAspectJAutoProxy
public class AppConfig {

@Bean
  public MyLogger myAspect() {
    return new MyLogger();
}

@Bean
  public MyBean myBean() {
    System.out.println("MyBean is called");
    return new MyBean();
}

}

然后:

public class MainApp {

    public static void main(String[] args) {
        ApplicationContext context = 
          new AnnotationConfigApplicationContext(AppConfig.class);
        MyBean mybean = context.getBean(MyBean.class);
        mybean.save();
    }

}

这样你可能会得到一个“无法解决的循环引用”错误，我认为这是因为它正在尝试记录记录器类。你可以修复它改变你的 Around 表达式，无论如何都缺少'*'，像这样:

@Around("execution(* com.crm.web.beans.MyBean.*(..))")

同时检查 flob 和 JavaBond 的答案。