200210-SpringBoot系列教程之RabbitMq初体验

brew install rabbitmq

## 进入安装目录
cd /usr/local/Cellar/rabbitmq/3.7.5

# 启动
brew services start rabbitmq
# 当前窗口启动
rabbitmq-server

./rabbitmq-plugins enable rabbitmq_management

yum install erlang
wget http://www.rabbitmq.com/releases/rabbitmq-server/v3.6.15/rabbitmq-server-3.6.15-1.el6.noarch.rpm
yum install rabbitmq-server-3.6.15-1.el6.noarch.rpm

rabbitmq-plugins enable rabbitmq_management
# 启动
rabbitmq-server -detached

## 添加账号
./rabbitmqctl add_user admin admin
## 添加访问权限
./rabbitmqctl set_permissions -p "/" admin ".*" ".*" ".*"
## 设置超级权限
./rabbitmqctl set_user_tags admin administrator

    org.springframework.boot
    spring-boot-starter-parent
    2.2.1.RELEASE
     



    UTF-8
    UTF-8
    1.8



    
        org.springframework.boot
        spring-boot-starter-amqp
    
    
        org.springframework.boot
        spring-boot-starter-web
    



    
        
            
                org.springframework.boot
                spring-boot-maven-plugin
            
        
    


    
        spring-snapshots
        Spring Snapshots
        https://repo.spring.io/libs-snapshot-local
        
            true
        
    
    
        spring-milestones
        Spring Milestones
        https://repo.spring.io/libs-milestone-local
        
            false
        
    
    
        spring-releases
        Spring Releases
        https://repo.spring.io/libs-release-local
        
            false
        
    

spring:
  rabbitmq:
    virtual-host: /
    username: admin
    password: admin
    port: 5672

@Component
public class PublishDemo {
    @Autowired
    private AmqpTemplate amqpTemplate;

    public String publish2mq(String ans) {
        String msg = "hello world = " + ans;
        System.out.println("publish: " + msg);
        amqpTemplate.convertAndSend(Pkg.exchange, Pkg.routing, msg);
        return msg;
    }
}

class Pkg {
    final static String exchange = "topic.e";
    final static String routing = "r";
    final static String queue = "topic.a";
}

@Service
public class ConsumerDemo {

    @RabbitListener(bindings = @QueueBinding(value = @Queue(value = Pkg.queue, durable = "false", autoDelete = "true"),
            exchange = @Exchange(value = Pkg.exchange, ignoreDeclaratiOnExceptions= "true",
                    type = ExchangeTypes.TOPIC), key = Pkg.routing))
    public void consumer(String msg) {
        System.out.println("consumer msg: " + msg);
    }
}

@RestController
public class PubRest {
    @Autowired
    private PublishDemo publishDemo;

    @GetMapping(path = {"", "/", "/publish"})
    public String publish(String name) {
        return publishDemo.publish2mq(name);
    }
}