spring boot整合RabbitMQ —— 十分钟急速上手
安装运行rabbitmq
1.docker安装rabbitmq:
docker run -it --name rabbitmq -p 5672:5672 -p 15672:15672 rabbitmq:3-management
2.访问localhost:15672
3.创建虚拟主机:(如果默认用guest账号则跳过3,4,5这三步骤)
4.创建用户:
5.赋予ems用户权限:
六种模型(老版本,现在为七种):
spring boot整合RabbitMQ
hello world模型(点对点消费)
1.创建springboot项目添加rabbitmq
依赖
2.编写配置文件
spring:
rabbitmq:
host: 127.0.0.1
port: 5672
username: ems
password: 123
virtual-host: /ems
如果没做3,4,5步,则配置为:
spring:
rabbitmq:
host: 127.0.0.1
port: 5672
username: guest
password: guest
3.在Test
类中创建生产者
@SpringBootTest
class RabbitmqSpringbootApplicationTests {
@Autowired
private RabbitTemplate rabbitTemplate;
@Test
void testhelloworld() {
//第一个参数:发送的队列 第二个参数: 发送的信息
rabbitTemplate.convertAndSend("hellosr","hello spring boot rabbitmq");
}
}
4.在启动类同级目录
下创建消费者
@Component
@RabbitListener(queuesToDeclare = @Queue("hellosr"))
public class helloconsumer {
@RabbitHandler
public void receivel(String message) {
System.out.println(message);
}
}
5.运行生产者:
消息发送成功
我们查看管理界面可以看到多了个队列:
2.workqueue模式(拿到消息即销毁)
1.生产者
@Test
void testwork() {
for (int i = 0; i < 10; i++) {
rabbitTemplate.convertAndSend("worksr", "hello spring boot rabbitmq"+i);
}
}
2.消费者1,2
@Component
public class consumer {
@RabbitListener(queuesToDeclare = @Queue("worksr"))
public void receivel(String message) {
System.out.println("C1 :"+message);
}
@RabbitListener(queuesToDeclare = @Queue("worksr"))
public void receivel2(String message) {
System.out.println("C2 :"+message);
}
}
3.运行:
3.Publish模型(发布订阅/fanout模型)
1.创建生产者:
@Test
void testfanout() {
rabbitTemplate.convertAndSend("fanoutsr", "","hello spring boot rabbitmq");
}
2 .消费者
@Component
public class Consumer1 {
@RabbitListener(bindings = {
@QueueBinding(
value = @Queue,//声明临时队列
exchange = @Exchange(value = "fanoutsr",type = "fanout")
)
})
public void receivel(String message) {
System.out.println("C1 :"+message);
}
@RabbitListener(bindings = {
@QueueBinding(
value = @Queue,//声明临时队列
exchange = @Exchange(value = "fanoutsr",type = "fanout")
)
})
public void receivel2(String message) {
System.out.println("C2 :"+message);
}
}
3.运行:
4.Routing(静态路由模型)
指定routingkey
,如果消费者拥有和生产者相同的routingkey
就可以接受到生产者发送的信息
1.生产者:
@Test
void testRoute() {
rabbitTemplate.convertAndSend("routesr", "info","hello spring boot rabbitmq");
}
2.消费者:
@Component
public class RouteConsumer {
@RabbitListener(bindings = {
@QueueBinding(
value = @Queue,//声明临时队列
exchange = @Exchange(value = "routesr", type = "direct"),
key ={"error"}
)
})
public void receivel(String message) {
System.out.println("C1 :"+message);
}
@RabbitListener(bindings = {
@QueueBinding(
value = @Queue,//声明临时队列
exchange = @Exchange(value = "routesr",type = "direct"),
key ={"error","info"}
)
})
public void receivel2(String message) {
System.out.println("C2 :"+message);
}
}
3.运行:
只有info
的信息接收到了
5.topics(动态路由)
1.生产者:
@Test
void testTopic() {
rabbitTemplate.convertAndSend("topicsr", "order.save.oid","hello spring boot rabbitmq");
}
2.消费者:
@Component
public class TopicConsumer {
@RabbitListener(bindings = {
@QueueBinding(
value = @Queue,//声明临时队列
exchange = @Exchange(value = "topicsr", type = "topic"),
key ={"order.*"}
)
})
public void receivel(String message) {
System.out.println("C1 :"+message);
}
@RabbitListener(bindings = {
@QueueBinding(
value = @Queue,//声明临时队列
exchange = @Exchange(value = "topicsr",type = "topic"),
key ={"order.#"}
)
})
public void receivel2(String message) {
System.out.println("C2 :"+message);
}
}
3.运行: