1.SpringAQMP组件RabbitAdmin

RabbitAdmin类是其中最重要的类，使用它可以操作RabbitMq，所以首先我们要在Spring中进行注入

    @Bean
    public ConnectionFactory connectionFactory(){
        CachingConnectionFactory connectionFactory = new CachingConnectionFactory();
        connectionFactory.setAddresses("49.234.231.49:5672");
        connectionFactory.setUsername("guest");
        connectionFactory.setPassword("guest");
        connectionFactory.setVirtualHost("/");
        return connectionFactory;
    }
    
    @Bean
    public RabbitAdmin rabbitAdmin(ConnectionFactory connectionFactory) {
        RabbitAdmin rabbitAdmin = new RabbitAdmin(connectionFactory);
        rabbitAdmin.setAutoStartup(true);
        return rabbitAdmin;
    }

RabbitAdmin的注入依赖于ConnectionFactory，所以一般来说我们要初始化两个Bean。这里的autoStartup必须要设置为true，否则Spring容器不会加载RabbitAdmin类，至于为什么一会儿我们会通过源码来说明。另外RabbitAdmin底层实现就是从Spring容器中获取Exchange、Binding、RoutingKey以及Queue的@Bean声明。然后适用RabbitTemplate的execute方法执行对应的声明、修改、删除等一系列RabbitMQ基础功能操作，例如添加一个交换机、删除一个绑定、清空队列里面的消息等等。

1.1 RabbitAdmin关键源码解析：

1.1.1 为什么要设置autoStartup为true，如下图所示，不设置直接就返回，根本不再去读容器中的东西

1.1.2 RabbitAdmin是如何从Spring容器中获取Exchange等内容的？

首先扫描容器中的Exchange类型Queue类型Binding类型的bean，并放入一个集合中，最后调用rabbitTemplate声明这些Exchange和Queue。

1.2 SpringAMQP声明式适用

之前的基础API使用如下图所示：

SpringAMQP的声明式适用如下图所示：

2 RabbitTemplate实战

代码示例：

@Bean
    public RabbitTemplate rabbitTemplate(ConnectionFactory connectionFactory) {
        RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory);
        return rabbitTemplate;
    }

    @Autowired
    private RabbitTemplate rabbitTemplate;
    
    
    @Test
    public void testSendMessage() throws Exception {
        //1 创建消息
        MessageProperties messageProperties = new MessageProperties();
        messageProperties.getHeaders().put("desc", "信息描述..");
        messageProperties.getHeaders().put("type", "自定义消息类型..");
        Message message = new Message("Hello RabbitMQ".getBytes(), messageProperties);
        
        rabbitTemplate.convertAndSend("topic001", "spring.amqp", message, new MessagePostProcessor() {
            @Override
            public Message postProcessMessage(Message message) throws AmqpException {
                System.err.println("------添加额外的设置---------");
                message.getMessageProperties().getHeaders().put("desc", "额外修改的信息描述");
                message.getMessageProperties().getHeaders().put("attr", "额外新加的属性");
                return message;
            }
        });
    }
    
    @Test
    public void testSendMessage2() throws Exception {
        //1 创建消息
        MessageProperties messageProperties = new MessageProperties();
        messageProperties.setContentType("text/plain");
        Message message = new Message("mq 消息1234".getBytes(), messageProperties);
        
        rabbitTemplate.send("topic001", "spring.abc", message);
        
        rabbitTemplate.convertAndSend("topic001", "spring.amqp", "hello object message send!");
        rabbitTemplate.convertAndSend("topic002", "rabbit.abc", "hello object message send!");
    }

3 SimpleMessageListenerContainer

可以监听多个队列、自动启动、自动声明功能
设置事务特性、事务管理器、事务并发、是否开启事务（使用较少）
设置消费者数量、最小最大数量、批量消费
设置消息确认和自动确认模式、是否重回队列、异常捕获handler函数
设置消费者标签生成策略、是否独占模式、消费者属性等
设置具体的监听器、消息转换器等等
可以在运行中的应用中动态修改消费者数量的大小、接收消息的模式等
代码示例：

    @Bean
    public SimpleMessageListenerContainer messageContainer(ConnectionFactory connectionFactory) {
        
        SimpleMessageListenerContainer container = new SimpleMessageListenerContainer(connectionFactory);
        container.setQueues(queue001(), queue002(), queue003(), queue_image(), queue_pdf());
        container.setConcurrentConsumers(1);
        container.setMaxConcurrentConsumers(5);
        container.setDefaultRequeueRejected(false);
        container.setAcknowledgeMode(AcknowledgeMode.AUTO);
        container.setExposeListenerChannel(true);
        container.setConsumerTagStrategy(new ConsumerTagStrategy() {
            @Override
            public String createConsumerTag(String queue) {
                return queue + "_" + UUID.randomUUID().toString();
            }
        });
        
        container.setMessageListener(new ChannelAwareMessageListener() {
            @Override
            public void onMessage(Message message, Channel channel) throws Exception {
                String msg = new String(message.getBody());
                System.err.println("----------消费者: " + msg);
            }
        });
        return container;
}

4 MessageListenerAdapter使用

消息监听适配器，可以使用queueOrTagToMethodName队列标识与方法名称组成的集合意义进行队列与方法名称的匹配。队列和方法名称绑定，指定队列里的消息会被绑定的方法所接受处理。也可以直接指定方法的名字

@Bean
    public SimpleMessageListenerContainer messageContainer(ConnectionFactory connectionFactory) {
        
        SimpleMessageListenerContainer container = new SimpleMessageListenerContainer(connectionFactory);
        container.setQueues(queue001(), queue002(), queue003(), queue_image(), queue_pdf());
        container.setConcurrentConsumers(1);
        container.setMaxConcurrentConsumers(5);
        container.setDefaultRequeueRejected(false);
        container.setAcknowledgeMode(AcknowledgeMode.AUTO);
        container.setExposeListenerChannel(true);
        container.setConsumerTagStrategy(new ConsumerTagStrategy() {
            @Override
            public String createConsumerTag(String queue) {
                return queue + "_" + UUID.randomUUID().toString();
            }
        });
        
        /**
         * 1 适配器方式. 默认是有自己的方法名字的：handleMessage
            // 可以自己指定一个方法的名字: consumeMessage
            // 也可以添加一个转换器: 从字节数组转换为String
        MessageListenerAdapter adapter = new MessageListenerAdapter(new MessageDelegate());
        adapter.setDefaultListenerMethod("consumeMessage");
        adapter.setMessageConverter(new TextMessageConverter());
        container.setMessageListener(adapter);*/
        
        
        /**
         * 2 适配器方式: 我们的队列名称 和 方法名称 也可以进行一一的匹配
         * 
         * */
        MessageListenerAdapter adapter = new MessageListenerAdapter(new MessageDelegate());
        adapter.setMessageConverter(new TextMessageConverter());
        Map queueOrTagToMethodName = new HashMap<>();
        queueOrTagToMethodName.put("queue001", "method1");
        queueOrTagToMethodName.put("queue002", "method2");
        adapter.setQueueOrTagToMethodName(queueOrTagToMethodName);
        container.setMessageListener(adapter);

        return container;
}

这个adapter默认是调用目标类中的handleMessage方法，这里我们自定义了一种方法。

TextMessageConverter

public class TextMessageConverter implements MessageConverter {

    @Override
    public Message toMessage(Object object, MessageProperties messageProperties) throws MessageConversionException {
        return new Message(object.toString().getBytes(), messageProperties);
    }

    @Override
    public Object fromMessage(Message message) throws MessageConversionException {
        String contentType = message.getMessageProperties().getContentType();
        if(null != contentType && contentType.contains("text")) {
            return new String(message.getBody());
        }
        return message.getBody();
    }

}

消息代理

public class MessageDelegate {

    

    public void handleMessage(byte[] messageBody) {
        System.err.println("默认方法, 消息内容:" + new String(messageBody));
    }
    
    public void consumeMessage(byte[] messageBody) {
        System.err.println("字节数组方法, 消息内容:" + new String(messageBody));
    }
    
    public void consumeMessage(String messageBody) {
        System.err.println("字符串方法, 消息内容:" + messageBody);
    }
    
    public void method1(String messageBody) {
        System.err.println("method1 收到消息内容:" + new String(messageBody));
    }
    
    public void method2(String messageBody) {
        System.err.println("method2 收到消息内容:" + new String(messageBody));
    }
    
    
    public void consumeMessage(Map messageBody) {
        System.err.println("map方法, 消息内容:" + messageBody);
    }
    
    
    public void consumeMessage(Order order) {
        System.err.println("order对象, 消息内容, id: " + order.getId() + 
                ", name: " + order.getName() + 
                ", content: "+ order.getContent());
    }
    
    public void consumeMessage(Packaged pack) {
        System.err.println("package对象, 消息内容, id: " + pack.getId() + 
                ", name: " + pack.getName() + 
                ", content: "+ pack.getDescription());
    }
    
    public void consumeMessage(File file) {
        System.err.println("文件对象 方法, 消息内容:" + file.getName());
    }

}

测试：

    @Test
    public void testSendMessage4Text() throws Exception {
        //1 创建消息
        MessageProperties messageProperties = new MessageProperties();
        messageProperties.setContentType("text/plain");
        Message message = new Message("mq 消息1234".getBytes(), messageProperties);
        
        rabbitTemplate.send("topic001", "spring.abc", message);
        rabbitTemplate.send("topic002", "rabbit.abc", message);
    }

5 MessageConverter

代码示例：

    @Bean
    public SimpleMessageListenerContainer messageContainer(ConnectionFactory connectionFactory) {
        
        SimpleMessageListenerContainer container = new SimpleMessageListenerContainer(connectionFactory);
        container.setQueues(queue001(), queue002(), queue003(), queue_image(), queue_pdf());
        container.setConcurrentConsumers(1);
        container.setMaxConcurrentConsumers(5);
        container.setDefaultRequeueRejected(false);
        container.setAcknowledgeMode(AcknowledgeMode.AUTO);
        container.setExposeListenerChannel(true);
        container.setConsumerTagStrategy(new ConsumerTagStrategy() {
            @Override
            public String createConsumerTag(String queue) {
                return queue + "_" + UUID.randomUUID().toString();
            }
        });
        /**
        container.setMessageListener(new ChannelAwareMessageListener() {
            @Override
            public void onMessage(Message message, Channel channel) throws Exception {
                String msg = new String(message.getBody());
                System.err.println("----------消费者: " + msg);
            }
        });
        */
        
        /**
         * 1 适配器方式. 默认是有自己的方法名字的：handleMessage
            // 可以自己指定一个方法的名字: consumeMessage
            // 也可以添加一个转换器: 从字节数组转换为String
        MessageListenerAdapter adapter = new MessageListenerAdapter(new MessageDelegate());
        adapter.setDefaultListenerMethod("consumeMessage");
        adapter.setMessageConverter(new TextMessageConverter());
        container.setMessageListener(adapter);*/
        
        
        /**
         * 2 适配器方式: 我们的队列名称 和 方法名称 也可以进行一一的匹配
         * 
         * 
        MessageListenerAdapter adapter = new MessageListenerAdapter(new MessageDelegate());
        adapter.setMessageConverter(new TextMessageConverter());
        Map queueOrTagToMethodName = new HashMap<>();
        queueOrTagToMethodName.put("queue001", "method1");
        queueOrTagToMethodName.put("queue002", "method2");
        adapter.setQueueOrTagToMethodName(queueOrTagToMethodName);
        container.setMessageListener(adapter);      
        */
        
        // 1.1 支持json格式的转换器
        /** 
        MessageListenerAdapter adapter = new MessageListenerAdapter(new MessageDelegate());
        adapter.setDefaultListenerMethod("consumeMessage");
        
        Jackson2JsonMessageConverter jackson2JsonMessageConverter = new Jackson2JsonMessageConverter();
        adapter.setMessageConverter(jackson2JsonMessageConverter);
        
        container.setMessageListener(adapter);
        */
        
        
        
        // 1.2 DefaultJackson2JavaTypeMapper & Jackson2JsonMessageConverter 支持java对象转换
        /** 
        MessageListenerAdapter adapter = new MessageListenerAdapter(new MessageDelegate());
        adapter.setDefaultListenerMethod("consumeMessage");
        
        Jackson2JsonMessageConverter jackson2JsonMessageConverter = new Jackson2JsonMessageConverter();
        
        DefaultJackson2JavaTypeMapper javaTypeMapper = new DefaultJackson2JavaTypeMapper();
        jackson2JsonMessageConverter.setJavaTypeMapper(javaTypeMapper);
        
        adapter.setMessageConverter(jackson2JsonMessageConverter);
        container.setMessageListener(adapter);
        */
        
        
        //1.3 DefaultJackson2JavaTypeMapper & Jackson2JsonMessageConverter 支持java对象多映射转换
        /** */
        MessageListenerAdapter adapter = new MessageListenerAdapter(new MessageDelegate());
        adapter.setDefaultListenerMethod("consumeMessage");
        Jackson2JsonMessageConverter jackson2JsonMessageConverter = new Jackson2JsonMessageConverter();
        DefaultJackson2JavaTypeMapper javaTypeMapper = new DefaultJackson2JavaTypeMapper();
        
        Map> idClassMapping = new HashMap>();
        idClassMapping.put("order", com.bfxy.spring.entity.Order.class);
        idClassMapping.put("packaged", com.bfxy.spring.entity.Packaged.class);
        
        javaTypeMapper.setIdClassMapping(idClassMapping);
        
        jackson2JsonMessageConverter.setJavaTypeMapper(javaTypeMapper);
        adapter.setMessageConverter(jackson2JsonMessageConverter);
        container.setMessageListener(adapter);
        
        
//        //1.4 ext convert
//        
//        MessageListenerAdapter adapter = new MessageListenerAdapter(new MessageDelegate());
//        adapter.setDefaultListenerMethod("consumeMessage");
//        
//        //全局的转换器:
//      ContentTypeDelegatingMessageConverter convert = new ContentTypeDelegatingMessageConverter();
//      
//      TextMessageConverter textConvert = new TextMessageConverter();
//      convert.addDelegate("text", textConvert);
//      convert.addDelegate("html/text", textConvert);
//      convert.addDelegate("xml/text", textConvert);
//      convert.addDelegate("text/plain", textConvert);
//      
//      Jackson2JsonMessageConverter jsonConvert = new Jackson2JsonMessageConverter();
//      convert.addDelegate("json", jsonConvert);
//      convert.addDelegate("application/json", jsonConvert);
//      
//      ImageMessageConverter imageConverter = new ImageMessageConverter();
//      convert.addDelegate("image/png", imageConverter);
//      convert.addDelegate("image", imageConverter);
//      
//      PDFMessageConverter pdfConverter = new PDFMessageConverter();
//      convert.addDelegate("application/pdf", pdfConverter);
//        
//      
//      adapter.setMessageConverter(convert);
//      container.setMessageListener(adapter);
        
        return container;
        
    }

@RunWith(SpringRunner.class)
@SpringBootTest
public class ApplicationTests {

    @Test
    public void contextLoads() {
    }
    
    @Autowired
    private RabbitAdmin rabbitAdmin;
    
    @Test
    public void testAdmin() throws Exception {
        rabbitAdmin.declareExchange(new DirectExchange("test.direct", false, false));
        
        rabbitAdmin.declareExchange(new TopicExchange("test.topic", false, false));
        
        rabbitAdmin.declareExchange(new FanoutExchange("test.fanout", false, false));
        
        rabbitAdmin.declareQueue(new Queue("test.direct.queue", false));
        
        rabbitAdmin.declareQueue(new Queue("test.topic.queue", false));
        
        rabbitAdmin.declareQueue(new Queue("test.fanout.queue", false));
        
        rabbitAdmin.declareBinding(new Binding("test.direct.queue",
                Binding.DestinationType.QUEUE,
                "test.direct", "direct", new HashMap<>()));
        
        rabbitAdmin.declareBinding(
                BindingBuilder
                .bind(new Queue("test.topic.queue", false))     //直接创建队列
                .to(new TopicExchange("test.topic", false, false))  //直接创建交换机 建立关联关系
                .with("user.#"));   //指定路由Key
        
        
        rabbitAdmin.declareBinding(
                BindingBuilder
                .bind(new Queue("test.fanout.queue", false))        
                .to(new FanoutExchange("test.fanout", false, false)));
        
        //清空队列数据
        rabbitAdmin.purgeQueue("test.topic.queue", false);
    }
    
    @Autowired
    private RabbitTemplate rabbitTemplate;
    
    
    @Test
    public void testSendMessage() throws Exception {
        //1 创建消息
        MessageProperties messageProperties = new MessageProperties();
        messageProperties.getHeaders().put("desc", "信息描述..");
        messageProperties.getHeaders().put("type", "自定义消息类型..");
        Message message = new Message("Hello RabbitMQ".getBytes(), messageProperties);
        
        rabbitTemplate.convertAndSend("topic001", "spring.amqp", message, new MessagePostProcessor() {
            @Override
            public Message postProcessMessage(Message message) throws AmqpException {
                System.err.println("------添加额外的设置---------");
                message.getMessageProperties().getHeaders().put("desc", "额外修改的信息描述");
                message.getMessageProperties().getHeaders().put("attr", "额外新加的属性");
                return message;
            }
        });
    }
    
    @Test
    public void testSendMessage2() throws Exception {
        //1 创建消息
        MessageProperties messageProperties = new MessageProperties();
        messageProperties.setContentType("text/plain");
        Message message = new Message("mq 消息1234".getBytes(), messageProperties);
        
        rabbitTemplate.send("topic001", "spring.abc", message);
        
        rabbitTemplate.convertAndSend("topic001", "spring.amqp", "hello object message send!");
        rabbitTemplate.convertAndSend("topic002", "rabbit.abc", "hello object message send!");
    }
    
    @Test
    public void testSendMessage4Text() throws Exception {
        //1 创建消息
        MessageProperties messageProperties = new MessageProperties();
        messageProperties.setContentType("text/plain");
        Message message = new Message("mq 消息1234".getBytes(), messageProperties);
        
        
        rabbitTemplate.send("topic002", "rabbit.abc", message);
        rabbitTemplate.send("topic001", "spring.abc", message);
    }
    
    
    @Test
    public void testSendJsonMessage() throws Exception {
        
        Order order = new Order();
        order.setId("001");
        order.setName("消息订单");
        order.setContent("描述信息");
        ObjectMapper mapper = new ObjectMapper();
        String json = mapper.writeValueAsString(order);
        System.err.println("order 4 json: " + json);
        
        MessageProperties messageProperties = new MessageProperties();
        //这里注意一定要修改contentType为 application/json
        messageProperties.setContentType("application/json");
        Message message = new Message(json.getBytes(), messageProperties);
        
        rabbitTemplate.send("topic001", "spring.order", message);
    }
    
    @Test
    public void testSendJavaMessage() throws Exception {
        
        Order order = new Order();
        order.setId("001");
        order.setName("订单消息");
        order.setContent("订单描述信息");
        ObjectMapper mapper = new ObjectMapper();
        String json = mapper.writeValueAsString(order);
        System.err.println("order 4 json: " + json);
        
        MessageProperties messageProperties = new MessageProperties();
        //这里注意一定要修改contentType为 application/json
        messageProperties.setContentType("application/json");
        messageProperties.getHeaders().put("__TypeId__", "com.bfxy.spring.entity.Order");
        Message message = new Message(json.getBytes(), messageProperties);
        
        rabbitTemplate.send("topic001", "spring.order", message);
    }
    
    @Test
    public void testSendMappingMessage() throws Exception {
        
        ObjectMapper mapper = new ObjectMapper();
        
        Order order = new Order();
        order.setId("001");
        order.setName("订单消息");
        order.setContent("订单描述信息");
        
        String json1 = mapper.writeValueAsString(order);
        System.err.println("order 4 json: " + json1);
        
        MessageProperties messageProperties1 = new MessageProperties();
        //这里注意一定要修改contentType为 application/json
        messageProperties1.setContentType("application/json");
        messageProperties1.getHeaders().put("__TypeId__", "order");
        Message message1 = new Message(json1.getBytes(), messageProperties1);
        rabbitTemplate.send("topic001", "spring.order", message1);
        
        Packaged pack = new Packaged();
        pack.setId("002");
        pack.setName("包裹消息");
        pack.setDescription("包裹描述信息");
        
        String json2 = mapper.writeValueAsString(pack);
        System.err.println("pack 4 json: " + json2);

        MessageProperties messageProperties2 = new MessageProperties();
        //这里注意一定要修改contentType为 application/json
        messageProperties2.setContentType("application/json");
        messageProperties2.getHeaders().put("__TypeId__", "packaged");
        Message message2 = new Message(json2.getBytes(), messageProperties2);
        rabbitTemplate.send("topic001", "spring.pack", message2);
    }
    
    @Test
    public void testSendExtConverterMessage() throws Exception {
//          byte[] body = Files.readAllBytes(Paths.get("d:/002_books", "picture.png"));
//          MessageProperties messageProperties = new MessageProperties();
//          messageProperties.setContentType("image/png");
//          messageProperties.getHeaders().put("extName", "png");
//          Message message = new Message(body, messageProperties);
//          rabbitTemplate.send("", "image_queue", message);
        
            byte[] body = Files.readAllBytes(Paths.get("d:/002_books", "mysql.pdf"));
            MessageProperties messageProperties = new MessageProperties();
            messageProperties.setContentType("application/pdf");
            Message message = new Message(body, messageProperties);
            rabbitTemplate.send("", "pdf_queue", message);
    }
    

}

public class MessageDelegate {

    public void handleMessage(byte[] messageBody) {
        System.err.println("默认方法, 消息内容:" + new String(messageBody));
    }
    
    public void consumeMessage(byte[] messageBody) {
        System.err.println("字节数组方法, 消息内容:" + new String(messageBody));
    }
    
    public void consumeMessage(String messageBody) {
        System.err.println("字符串方法, 消息内容:" + messageBody);
    }
    
    public void method1(String messageBody) {
        System.err.println("method1 收到消息内容:" + new String(messageBody));
    }
    
    public void method2(String messageBody) {
        System.err.println("method2 收到消息内容:" + new String(messageBody));
    }
    
    
    public void consumeMessage(Map messageBody) {
        System.err.println("map方法, 消息内容:" + messageBody);
    }
    
    
    public void consumeMessage(Order order) {
        System.err.println("order对象, 消息内容, id: " + order.getId() + 
                ", name: " + order.getName() + 
                ", content: "+ order.getContent());
    }
    
    public void consumeMessage(Packaged pack) {
        System.err.println("package对象, 消息内容, id: " + pack.getId() + 
                ", name: " + pack.getName() + 
                ", content: "+ pack.getDescription());
    }
    
    public void consumeMessage(File file) {
        System.err.println("文件对象 方法, 消息内容:" + file.getName());
    }
}

6 RabbitMq与SpringBoot2.0整合

6.1实战

6.1.1生产者配置

pom.xml配置



    4.0.0

    com.bfxy
    rabbitmq-springboot-producer
    0.0.1-SNAPSHOT
    jar

    rabbitmq-springboot-producer
    rabbitmq-springboot-producer

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

    
        UTF-8
        UTF-8
        1.8
    

    
        
            org.springframework.boot
            spring-boot-starter
        

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

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

application.properties

spring.rabbitmq.addresses=49.234.231.49:5672
spring.rabbitmq.username=guest
spring.rabbitmq.password=
spring.rabbitmq.virtual-host=/
spring.rabbitmq.connection-timeout=15000

spring.rabbitmq.publisher-confirms=true
spring.rabbitmq.publisher-returns=true
spring.rabbitmq.template.mandatory=true

定义一个发送类

@Component
public class RabbitSender {

    //自动注入RabbitTemplate模板类
    @Autowired
    private RabbitTemplate rabbitTemplate;  
    
    //回调函数: confirm确认
    final ConfirmCallback confirmCallback = new RabbitTemplate.ConfirmCallback() {
        @Override
        public void confirm(CorrelationData correlationData, boolean ack, String cause) {
            System.err.println("correlationData: " + correlationData);
            System.err.println("ack: " + ack);
            if(!ack){
                System.err.println("异常处理....");
            }
        }
    };
    
    //回调函数: return返回
    final ReturnCallback returnCallback = new RabbitTemplate.ReturnCallback() {
        @Override
        public void returnedMessage(org.springframework.amqp.core.Message message, int replyCode, String replyText,
                String exchange, String routingKey) {
            System.err.println("return exchange: " + exchange + ", routingKey: " 
                + routingKey + ", replyCode: " + replyCode + ", replyText: " + replyText);
        }
    };
    
    //发送消息方法调用: 构建Message消息
    public void send(Object message, Map properties) throws Exception {
        MessageHeaders mhs = new MessageHeaders(properties);
        Message msg = MessageBuilder.createMessage(message, mhs);
        rabbitTemplate.setConfirmCallback(confirmCallback);
        rabbitTemplate.setReturnCallback(returnCallback);
        //id + 时间戳 全局唯一 
        CorrelationData correlationData = new CorrelationData("1234567890");
        rabbitTemplate.convertAndSend("exchange-1", "springboot.abc", msg, correlationData);
    }
    
    //发送消息方法调用: 构建自定义对象消息
    public void sendOrder(Order order) throws Exception {
        rabbitTemplate.setConfirmCallback(confirmCallback);
        rabbitTemplate.setReturnCallback(returnCallback);
        //id + 时间戳 全局唯一 
        CorrelationData correlationData = new CorrelationData("0987654321");
        rabbitTemplate.convertAndSend("exchange-2", "springboot.def", order, correlationData);
    }
    
}

启动类

@SpringBootApplication
public class Application {

    public static void main(String[] args) {
        try {
            SpringApplication.run(Application.class, args);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

测试类

@RunWith(SpringRunner.class)
@SpringBootTest
public class ApplicationTests {

    @Test
    public void contextLoads() {
    }
    
    @Autowired
    private RabbitSender rabbitSender;

    private static SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
    
    @Test
    public void testSender1() throws Exception {
         Map properties = new HashMap<>();
         properties.put("number", "12345");
         properties.put("send_time", simpleDateFormat.format(new Date()));
         rabbitSender.send("Hello RabbitMQ For Spring Boot!", properties);
    }
    
    @Test
    public void testSender2() throws Exception {
         Order order = new Order("001", "第一个订单");
         rabbitSender.sendOrder(order);
    }
}

6.1.2消费者配置

image.png

pom.xml



    4.0.0

    com.bfxy
    rabbitmq-springboot-consumer
    0.0.1-SNAPSHOT
    jar

    rabbitmq-springboot-consumer
    rabbitmq-springboot-consumer

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

    
        UTF-8
        UTF-8
        1.8
    

    
        
            org.springframework.boot
            spring-boot-starter
        

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

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

application.properties

spring.rabbitmq.addresses=49.234.231.49:5672
spring.rabbitmq.username=guest
spring.rabbitmq.password=
spring.rabbitmq.virtual-host=/
spring.rabbitmq.connection-timeout=15000

spring.rabbitmq.listener.simple.acknowledge-mode=manual
spring.rabbitmq.listener.simple.concurrency=5
spring.rabbitmq.listener.simple.max-concurrency=10

spring.rabbitmq.listener.order.queue.name=queue-2
spring.rabbitmq.listener.order.queue.durable=true
spring.rabbitmq.listener.order.exchange.name=exchange-2
spring.rabbitmq.listener.order.exchange.durable=true
spring.rabbitmq.listener.order.exchange.type=topic
spring.rabbitmq.listener.order.exchange.ignoreDeclarationExceptions=true
spring.rabbitmq.listener.order.key=springboot.*

监听器

@Component
public class RabbitReceiver {

    
    @RabbitListener(bindings = @QueueBinding(
            value = @Queue(value = "queue-1", 
            durable="true"),
            exchange = @Exchange(value = "exchange-1", 
            durable="true", 
            type= "topic", 
            ignoreDeclarationExceptions = "true"),
            key = "springboot.*"
            )
    )
    @RabbitHandler
    public void onMessage(Message message, Channel channel) throws Exception {
        System.err.println("--------------------------------------");
        System.err.println("消费端Payload: " + message.getPayload());
        Long deliveryTag = (Long)message.getHeaders().get(AmqpHeaders.DELIVERY_TAG);
        //手工ACK
        channel.basicAck(deliveryTag, false);
    }
    
    
    /**
     * 
     *  spring.rabbitmq.listener.order.queue.name=queue-2
        spring.rabbitmq.listener.order.queue.durable=true
        spring.rabbitmq.listener.order.exchange.name=exchange-1
        spring.rabbitmq.listener.order.exchange.durable=true
        spring.rabbitmq.listener.order.exchange.type=topic
        spring.rabbitmq.listener.order.exchange.ignoreDeclarationExceptions=true
        spring.rabbitmq.listener.order.key=springboot.*
     * @param order
     * @param channel
     * @param headers
     * @throws Exception
     */
    @RabbitListener(bindings = @QueueBinding(
            value = @Queue(value = "${spring.rabbitmq.listener.order.queue.name}", 
            durable="${spring.rabbitmq.listener.order.queue.durable}"),
            exchange = @Exchange(value = "${spring.rabbitmq.listener.order.exchange.name}", 
            durable="${spring.rabbitmq.listener.order.exchange.durable}", 
            type= "${spring.rabbitmq.listener.order.exchange.type}", 
            ignoreDeclarationExceptions = "${spring.rabbitmq.listener.order.exchange.ignoreDeclarationExceptions}"),
            key = "${spring.rabbitmq.listener.order.key}"
            )
    )
    @RabbitHandler
    public void onOrderMessage(@Payload com.bfxy.springboot.entity.Order order, 
            Channel channel, 
            @Headers Map headers) throws Exception {
        System.err.println("--------------------------------------");
        System.err.println("消费端order: " + order.getId());
        Long deliveryTag = (Long)headers.get(AmqpHeaders.DELIVERY_TAG);
        //手工ACK
        channel.basicAck(deliveryTag, false);
    }
}

7.RabbitMQ与SpringCloudStream整合

7.1实战

producer搭建
pom.xml



    4.0.0

    com.bfxy
    rabbitmq-springcloudstream-producer
    0.0.1-SNAPSHOT
    jar

    rabbitmq-springcloudstream-producer
    rabbitmq-spring

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

    
        UTF-8
        UTF-8
        1.8
    

    
        
            org.springframework.boot
            spring-boot-starter-web
           
        
            org.springframework.boot
            spring-boot-starter
        
        
            org.springframework.boot
            spring-boot-autoconfigure
        
        
            org.springframework.boot
            spring-boot-starter-test
            test
        
        
        
            org.springframework.cloud
            spring-cloud-starter-stream-rabbit
            1.3.4.RELEASE
        
        
            org.springframework.boot
            spring-boot-starter-actuator
        
    

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

application.properties

server.port=8001
server.servlet.context-path=/producer

spring.application.name=producer
spring.cloud.stream.bindings.output_channel.destination=exchange-3
spring.cloud.stream.bindings.output_channel.group=queue-3
spring.cloud.stream.bindings.output_channel.binder=rabbit_cluster

spring.cloud.stream.binders.rabbit_cluster.type=rabbit
spring.cloud.stream.binders.rabbit_cluster.environment.spring.rabbitmq.addresses=49.234.231.49:5672
spring.cloud.stream.binders.rabbit_cluster.environment.spring.rabbitmq.username=guest
spring.cloud.stream.binders.rabbit_cluster.environment.spring.rabbitmq.password=
spring.cloud.stream.binders.rabbit_cluster.environment.spring.rabbitmq.virtual-host=/

binder的名字和下面的rabbit_cluster必须要写的一样
自定义接口Barista

/**
 * 中文类名：

 * 概要说明：

 * 这里的Barista接口是定义来作为后面类的参数，这一接口定义来通道类型和通道名称。
 * 通道名称是作为配置用，通道类型则决定了app会使用这一通道进行发送消息还是从中接收消息。
 */
public interface Barista {
      
    //String INPUT_CHANNEL = "input_channel";  
    String OUTPUT_CHANNEL = "output_channel";  

    //注解@Input声明了它是一个输入类型的通道，名字是Barista.INPUT_CHANNEL，也就是position3的input_channel。这一名字与上述配置app2的配置文件中position1应该一致，表明注入了一个名字叫做input_channel的通道，它的类型是input，订阅的主题是position2处声明的mydest这个主题  
//    @Input(Barista.INPUT_CHANNEL)  
//    SubscribableChannel loginput();  
    //注解@Output声明了它是一个输出类型的通道，名字是output_channel。这一名字与app1中通道名一致，表明注入了一个名字为output_channel的通道，类型是output，发布的主题名为mydest。  
    @Output(Barista.OUTPUT_CHANNEL)
    MessageChannel logoutput();  

//  String INPUT_BASE = "queue-1";  
//  String OUTPUT_BASE = "queue-1";  
//  @Input(Barista.INPUT_BASE)  
//  SubscribableChannel input1();  
//  MessageChannel output1();  
      
}

定义消息发送类

@EnableBinding(Barista.class)
@Service  
public class RabbitmqSender {  
  
    @Autowired  
    private Barista barista;  
    
    // 发送消息
    public String sendMessage(Object message, Map properties) throws Exception {  
        try{
            MessageHeaders mhs = new MessageHeaders(properties);
            Message msg = MessageBuilder.createMessage(message, mhs);
            boolean sendStatus = barista.logoutput().send(msg);
            System.err.println("--------------sending -------------------");
            System.out.println("发送数据：" + message + ",sendStatus: " + sendStatus);
        }catch (Exception e){  
            System.err.println("-------------error-------------");
            e.printStackTrace();
            throw new RuntimeException(e.getMessage());
           
        }  
        return null;
    }  
    
}

测试

@RunWith(SpringRunner.class)
@SpringBootTest
public class ApplicationTests {

    @Autowired
    private RabbitmqSender rabbitmqSender;
    
    
    @Test
    public void sendMessageTest1() {
       for(int i = 0; i < 1; i ++){
           try {
               Map properties = new HashMap();
               properties.put("SERIAL_NUMBER", "12345");
               properties.put("BANK_NUMBER", "abc");
               properties.put("PLAT_SEND_TIME", DateUtils.formatDate(new Date(), "yyyy-MM-dd HH:mm:ss.SSS"));
               rabbitmqSender.sendMessage("Hello, I am amqp sender num :" + i, properties);
              
           } catch (Exception e) {
               System.out.println("--------error-------");
               e.printStackTrace(); 
           }
       }
       //TimeUnit.SECONDS.sleep(Integer.MAX_VALUE);
    }
    
}

消费者搭建：
pom.xml



    4.0.0

    com.bfxy
    rabbitmq-springcloudstream-consumer
    0.0.1-SNAPSHOT
    jar

    rabbitmq-springcloudstream-consumer
    rabbitmq-spring
 
    
        org.springframework.boot
        spring-boot-starter-parent
        1.5.8.RELEASE
         
    

    
        UTF-8
        UTF-8
        1.8
    

    
        
            org.springframework.boot
            spring-boot-starter-web
           
        
            org.springframework.boot
            spring-boot-starter
               
        
            org.springframework.boot
            spring-boot-starter-test
            test
        
        
            org.springframework.cloud
            spring-cloud-starter-stream-rabbit
            1.3.4.RELEASE
        
        
            org.springframework.boot
            spring-boot-starter-actuator
        
    

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

application.properties

server.port=8002
server.context-path=/consumer

spring.application.name=consumer
spring.cloud.stream.bindings.input_channel.destination=exchange-3
spring.cloud.stream.bindings.input_channel.group=queue-3
spring.cloud.stream.bindings.input_channel.binder=rabbit_cluster
spring.cloud.stream.bindings.input_channel.consumer.concurrency=1
spring.cloud.stream.rabbit.bindings.input_channel.consumer.requeue-rejected=false
spring.cloud.stream.rabbit.bindings.input_channel.consumer.acknowledge-mode=MANUAL
spring.cloud.stream.rabbit.bindings.input_channel.consumer.recovery-interval=3000
spring.cloud.stream.rabbit.bindings.input_channel.consumer.durable-subscription=true
spring.cloud.stream.rabbit.bindings.input_channel.consumer.max-concurrency=5

spring.cloud.stream.binders.rabbit_cluster.type=rabbit
spring.cloud.stream.binders.rabbit_cluster.environment.spring.rabbitmq.addresses=49.234.231.49:5672
spring.cloud.stream.binders.rabbit_cluster.environment.spring.rabbitmq.username=guest
spring.cloud.stream.binders.rabbit_cluster.environment.spring.rabbitmq.password=
spring.cloud.stream.binders.rabbit_cluster.environment.spring.rabbitmq.virtual-host=/

定义接口Barista

/**
 * 中文类名：

 * 概要说明：

 * 这里的Barista接口是定义来作为后面类的参数，这一接口定义来通道类型和通道名称。
 * 通道名称是作为配置用，通道类型则决定了app会使用这一通道进行发送消息还是从中接收消息。
 * @author ashen（Alienware）
 * @since 2016年7月22日
 */

public interface Barista {
      
    String INPUT_CHANNEL = "input_channel";  

    //注解@Input声明了它是一个输入类型的通道，名字是Barista.INPUT_CHANNEL，也就是position3的input_channel。这一名字与上述配置app2的配置文件中position1应该一致，表明注入了一个名字叫做input_channel的通道，它的类型是input，订阅的主题是position2处声明的mydest这个主题  
    @Input(Barista.INPUT_CHANNEL)  
    SubscribableChannel loginput();  
    
      
}

定义接收者

@EnableBinding(Barista.class)
@Service
public class RabbitmqReceiver {  

    @StreamListener(Barista.INPUT_CHANNEL)  
    public void receiver(Message message) throws Exception {  
        Channel channel = (com.rabbitmq.client.Channel) message.getHeaders().get(AmqpHeaders.CHANNEL);
        Long deliveryTag = (Long) message.getHeaders().get(AmqpHeaders.DELIVERY_TAG);
        System.out.println("Input Stream 1 接受数据：" + message);
        System.out.println("消费完毕------------");
        channel.basicAck(deliveryTag, false);
    }  
}

整合RabbitMQ&Spring家族

1.SpringAQMP组件RabbitAdmin

1.1 RabbitAdmin关键源码解析：

1.2 SpringAMQP声明式适用

2 RabbitTemplate实战

3 SimpleMessageListenerContainer

4 MessageListenerAdapter使用

5 MessageConverter

6 RabbitMq与SpringBoot2.0整合

6.1实战

6.1.1生产者配置

6.1.2消费者配置

7.RabbitMQ与SpringCloudStream整合

7.1实战

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