1.下载erlang并安装配置：Downloads - Erlang/OTP .然后重启生效

 2.下载rabbitmq：Installing on Windows — RabbitMQ

3.下载并放在rabbitmq的plugins里:Releases · rabbitmq/rabbitmq-delayed-message-exchange · GitHub

进入rabbitmq的sbin目录，执行如下命令：

rabbitmq-plugins enable rabbitmq_delayed_message_exchange

4.启动rabbitmq,需要执行如下命令.

#进入sbin目录rabbitmq-service.bat installrabbitmq-plugins enable rabbitmq_managementrabbitmq-server.bat start

5.启动成功

 6.访问web端地址：http://localhost:15672/

 登录密码：guest guest

 7.nacos配置文件配置:注意这里的端口是5672

spring.rabbitmq.host=127.0.0.1
spring.rabbitmq.port=5672
spring.rabbitmq.username=guest
spring.rabbitmq.password=guest

8.启动springboot类，成功