解决同一个应用下包循环依赖问题

情景:做项目遇到一个情景,同一个应用中,有A包和B包,本来是A包中方法调用B包的方法,现在要求B包中方法调用A包中方法

解决方案:

利用ApplicationContextEvent事件

监听方:

public class AccountChangeEvent extends ApplicationContextEvent {

    @Getter
    private final String param;
    /**
     * Create a new ContextStartedEvent.
     *
     * @param source the {@code ApplicationContext} that the event is raised for
     *               (must not be {@code null})
     */
    public AccountChangeEvent(ApplicationContext source, String param) {
        super(source);
        this.param=param;
    }
}

调用方:

@Resource
private ApplicationContext applicationContext;

//发送事件
applicationContext.publishEvent(new AccountChangeEvent(applicationContext,"这是参数"));