• SpringBoot Rabbitmq发送消息


    官方文档:https://docs.spring.io/spring-boot/docs/2.1.3.RELEASE/reference/htmlsingle/#boot-features-amqp

    引入依赖:

      <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-amqp</artifactId>
      </dependency>

    发送消息代码:

    @RestController
    @RequestMapping("/")
    public class SenderMsgController {
    
        @Autowired
        private AmqpTemplate amqpTemplate;
    
        @RequestMapping(value = "/{str}")
        public void testSend(@RequestParam("str") String str) throws InterruptedException {
            for (int i = 0; i < 10; i++) {
                int millis = 500;
                Thread.sleep(new Long(millis));
                if (i%2 == 1) {
                    String isr = "{
    " + "	"dd":" + i + "}";
    
                    amqpTemplate.convertAndSend("DirectExchange","test.1",isr,new MyMessageConverter());
    
                }else{
                    String isr = "{
    " + "	"dd":" + i + "}";
                    amqpTemplate.convertAndSend("DirectExchange","test.2",isr,new MyMessageConverter());
                }
                System.out.println("第"+i+"次发送");
            }
        }
    }
    MyMessageConverter:
    //MessagePostProcessor 接口可以对发送请求之前的Message 进行操作,这里我设置了contenttype为json格式
    public class MyMessageConverter implements MessagePostProcessor {
        @Override
        public Message postProcessMessage(Message message) throws AmqpException {
            message.getMessageProperties().setContentType(MessageProperties.CONTENT_TYPE_JSON);
            return message;
        }
    }

    创建交换机、队列并互相绑定设置路由key

    @Component
    public class AmqpAdminConfig {
    
        @Autowired
        public AmqpAdmin amqpAdmin;
    
    
        @Bean
        public DirectExchange createDirectExchange(){
            DirectExchange directExchange = new DirectExchange("DirectExchange", false, false);
            amqpAdmin.declareExchange(directExchange);
            return directExchange;
        }
    
    //    @Bean
    //    public void createFanoutExchange(){
    //        amqpAdmin.declareExchange(new FanoutExchange("FanoutExchange",false,false));
    //    }
    
        @Bean
        public Queue createQueue1(){
            Queue queue = new Queue("queue-1", false, false, false);
            amqpAdmin.declareQueue(queue);
            return queue;
        }
    
        @Bean
        public Queue createQueue2(){
            Queue queue = new Queue("queue-2", false, false, false);
            amqpAdmin.declareQueue(queue);
            return queue;
        }
    
        @Bean
        public void createBinding1(){
            Binding bind = BindingBuilder.bind(createQueue1()).to(createDirectExchange()).with("test.1");
            amqpAdmin.declareBinding(bind);
        }
        @Bean
        public void createBinding2(){
            Binding bind = BindingBuilder.bind(createQueue2()).to(createDirectExchange()).with("test.2");
            amqpAdmin.declareBinding(bind);
        }
    
    }

    根据官方文档知道AmqpTemplate 和AmqpAdmin  已经自动配置,可直接注入使用,AmqpTemplate 封装了发送与接收的各种操作,AmqpAdmin  封装了针对交换机和消息队列的各种操作

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  • 原文地址:https://www.cnblogs.com/shiguotao-com/p/10445130.html
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