RabbitMQ exchange使用-主题模式

RabbitMQ exchange使用-主题模式

1 简介

Topic exchange is powerful and can behave like other exchanges.

When a queue is bound with " # " (hash) binding key - it will receiveall the messages, regardless of the routing key - like in fanout exchange.

When special characters " * " (star) and " # " (hash) aren't used in bindings,the topic exchange will behave just like a direct one.

这个就没啥代码了，代码和路由模式的一模一样，

就是这个路由routingKey 支持匹配通配符模式

" * " 匹配一个

" # " 匹配多个

交换机类型 ： topic

// 声明一个交换机

channel . exchangeDeclare ( EXCHANGE_NAME , BuiltinExchangeType . TOPIC );

2.代码除了声明交换机类型不一样，其他和路由模式一样