RabbitMQ 消息队列、死信队列及延时队列(包括RabbitMQ延时插件)的使用
http://liangtong.site/2020/09/14/java_20200914_rabbitmq_config/
http://liangtong.site/2020/09/15/java_20200915_springboot_rabbitmq_im/
http://liangtong.site/2020/09/16/java_20200916_springboot_rabbitmq_dead/
http://liangtong.site/2020/09/16/java_20200916_springboot_rabbitmq_delay/