springboot 启动器和监听器的加载
问题:1.为啥要设置初始化器setInitializers((Collection)getSpringFactoriesInstances(ApplicationContextInitializer.class));2.为啥要设置监听器setListeners((Collection) getSpringFactoriesInstances(ApplicationListener.class));
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问题:
1. 为啥要设置初始化器
setInitializers((Collection)getSpringFactoriesInstances(ApplicationContextInitializer.class));
2. 为啥要设置监听器
setListeners((Collection) getSpringFactoriesInstances(ApplicationListener.class));
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