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<!--rabbitmq--> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-amqp</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <!-- fastjson start --> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.47</version> </dependency>
#配置rabbitMq 服务器
rabbitmq:
host: 127.0.0.1
port: 5672
username: root
password: root
#虚拟host 可以不设置,使用server默认host 默认:/
virtual-host: RabbitMQHost
provider 提供者项目中:
package com.cloud.config; import org.springframework.amqp.core.Binding; import org.springframework.amqp.core.BindingBuilder; import org.springframework.amqp.core.DirectExchange; import org.springframework.amqp.core.Queue; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; /** * @Author : JCccc * @CreateTime : 2019/9/3 * @Description : **/ @Configuration public class DirectRabbitConfig { //队列 起名:TestDirectQueue @Bean public Queue TestDirectQueue() { // durable:是否持久化,默认是false,持久化队列:会被存储在磁盘上,当消息代理重启 时仍然存在,暂存队列:当前连接有效 // exclusive:默认也是false,只能被当前创建的连接使用,而且当连接关闭后队列即 被删除。此参考优先级高于durable // autoDelete:是否自动删除,当没有生产者或者消费者使用此队列,该队列会自动删除。 // return new Queue("TestDirectQueue",true,true,false); //一般设置一下队列的持久化就好,其余两个就是默认false return new Queue("TestDirectQueue",true); } //Direct交换机 起名:TestDirectExchange @Bean DirectExchange TestDirectExchange() { //return new DirectExchange("TestDirectExchange",true,true); return new DirectExchange("TestDirectExchange",true,false); } //绑定 将队列和交换机绑定, 并设置用于匹配键:TestDirectRouting @Bean Binding bindingDirect() { return BindingBuilder.bind(TestDirectQueue()).to(TestDirectExchange()).with("TestDirectRouting"); } @Bean DirectExchange lonelyDirectExchange() { return new DirectExchange("lonelyDirectExchange"); } }
package com.cloud.controller; import org.springframework.amqp.rabbit.core.RabbitTemplate; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; import java.util.HashMap; import java.util.Map; import java.util.UUID; /** * @Author : JCccc * @CreateTime : 2019/9/3 * @Description : **/ @RestController public class RabbitmqSendMessageController { @Autowired RabbitTemplate rabbitTemplate; //使用RabbitTemplate,这提供了接收/发送等等方法 @GetMapping("/sendDirectMessage") public String sendDirectMessage() { String messageId = String.valueOf(UUID.randomUUID()); String messageData = "send message, hello!"; String createTime = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")); Map<String,Object> map=new HashMap<>(); map.put("messageId",messageId); map.put("messageData",messageData); map.put("createTime",createTime); //将消息携带绑定键值:TestDirectRouting 发送到交换机TestDirectExchange rabbitTemplate.convertAndSend("TestDirectExchange", "TestDirectRouting", map); return "ok"; } }
<!--rabbitmq-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-amqp</artifactId>
</dependency>
<!-- fastjson start -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.47</version>
</dependency>
#配置rabbitMq 服务器
rabbitmq:
host: 127.0.0.1
port: 5672
username: root
password: root
#虚拟host 可以不设置,使用server默认host
virtual-host: RabbitMQHost
package com.cloud.config;
import org.springframework.amqp.rabbit.annotation.RabbitHandler;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.stereotype.Component;
import java.util.Map;
@Component
@RabbitListener(queues = "TestDirectQueue")//监听的队列名称 TestDirectQueue
public class DirectReceiver {
@RabbitHandler
public void process(Map testMessage) {
System.out.println("DirectReceiver消费者收到消息 : " + testMessage.toString());
}
}
package com.cloud.config; import org.springframework.amqp.core.Binding; import org.springframework.amqp.core.BindingBuilder; import org.springframework.amqp.core.Queue; import org.springframework.amqp.core.TopicExchange; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; /** * @Author : JCccc * @CreateTime : 2019/9/3 * @Description : **/ @Configuration public class TopicRabbitmqConfig { //绑定键 public final static String man = "topic.man"; public final static String woman = "topic.woman"; @Bean public Queue firstQueue() { return new Queue(TopicRabbitmqConfig.man); } @Bean public Queue secondQueue() { return new Queue(TopicRabbitmqConfig.woman); } @Bean TopicExchange exchange() { return new TopicExchange("topicExchange"); } //将firstQueue和topicExchange绑定,而且绑定的键值为topic.man //这样只要是消息携带的路由键是topic.man,才会分发到该队列 @Bean Binding bindingExchangeMessage() { return BindingBuilder.bind(firstQueue()).to(exchange()).with(man); } //将secondQueue和topicExchange绑定,而且绑定的键值为用上通配路由键规则topic.# // 这样只要是消息携带的路由键是以topic.开头,都会分发到该队列 @Bean Binding bindingExchangeMessage2() { return BindingBuilder.bind(secondQueue()).to(exchange()).with("topic.#"); } }
package com.cloud.controller; import org.springframework.amqp.rabbit.core.RabbitTemplate; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; import java.util.HashMap; import java.util.Map; import java.util.UUID; @RestController public class TopicRabbitmqController { @Autowired RabbitTemplate rabbitTemplate; //使用RabbitTemplate,这提供了接收/发送等等方法 @GetMapping("/sendTopicMessage1") public String sendTopicMessage1() { String messageId = String.valueOf(UUID.randomUUID()); String messageData = "message: M A N "; String createTime = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")); Map<String, Object> manMap = new HashMap<>(); manMap.put("messageId", messageId); manMap.put("messageData", messageData); manMap.put("createTime", createTime); rabbitTemplate.convertAndSend("topicExchange", "topic.man", manMap); return "ok"; } @GetMapping("/sendTopicMessage2") public String sendTopicMessage2() { String messageId = String.valueOf(UUID.randomUUID()); String messageData = "message: woman is all "; String createTime = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")); Map<String, Object> womanMap = new HashMap<>(); womanMap.put("messageId", messageId); womanMap.put("messageData", messageData); womanMap.put("createTime", createTime); rabbitTemplate.convertAndSend("topicExchange", "topic.woman", womanMap); return "ok"; } }
package com.cloud.config; import org.springframework.amqp.rabbit.annotation.RabbitHandler; import org.springframework.amqp.rabbit.annotation.RabbitListener; import org.springframework.stereotype.Component; import java.util.Map; /** * @Author : * @CreateTime : 2019/9/3 * @Description : **/ @Component @RabbitListener(queues = "topic.man") public class TopicManReceiver { @RabbitHandler public void process(Map testMessage) { System.out.println("TopicManReceiver消费者收到消息 : " + testMessage.toString()); } }
package com.elegant.rabbitmqconsumer.receiver; import org.springframework.amqp.rabbit.annotation.RabbitHandler; import org.springframework.amqp.rabbit.annotation.RabbitListener; import org.springframework.stereotype.Component; import java.util.Map; /** * @Author: * @CreateTime : 2019/9/3 * @Description : **/ @Component @RabbitListener(queues = "topic.woman") public class TopicTotalReceiver { @RabbitHandler public void process(Map testMessage) { System.out.println("TopicTotalReceiver消费者收到消息 : " + testMessage.toString()); } }
先启动provider,调用接口,在启动服务端,否则报错;
package com.cloud.config; import org.springframework.amqp.core.Binding; import org.springframework.amqp.core.BindingBuilder; import org.springframework.amqp.core.FanoutExchange; import org.springframework.amqp.core.Queue; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; /** * @Author : 扇型交换机 * @CreateTime : 2019/9/3 * @Description : **/ @Configuration public class FanoutRabbitConfig { /** * 创建三个队列 :fanout.A fanout.B fanout.C * 将三个队列都绑定在交换机 fanoutExchange 上 * 因为是扇型交换机, 路由键无需配置,配置也不起作用 */ /*解决rabbitmq DeclarationException: Failed to declare queue异常*/ /*https://blog.csdn.net/ouzhuangzhuang/article/details/84839104?spm=1001.2101.3001.6661.1&utm_medium=distribute.pc_relevant_t0.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-1-84839104-blog-124932816.235%5Ev38%5Epc_relevant_anti_t3&depth_1-utm_source=distribute.pc_relevant_t0.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-1-84839104-blog-124932816.235%5Ev38%5Epc_relevant_anti_t3&utm_relevant_index=1*/ /*队列A*/ @Bean public Queue queueA() { return new Queue("fanout.A",true); } /*队列B*/ @Bean public Queue queueB() { return new Queue("fanout.B",true); } /*队列C*/ @Bean public Queue queueC() { return new Queue("fanout.C",true); } /*扇形交换机*/ @Bean FanoutExchange fanoutExchange() { return new FanoutExchange("fanoutExchange"); } /*队列A绑定扇形交换机*/ @Bean Binding bindingExchangeA() { return BindingBuilder.bind(queueA()).to(fanoutExchange()); } /*队列B绑定扇形交换机*/ @Bean Binding bindingExchangeB() { return BindingBuilder.bind(queueB()).to(fanoutExchange()); } /*队列C绑定扇形交换机*/ @Bean Binding bindingExchangeC() { return BindingBuilder.bind(queueC()).to(fanoutExchange()); } }
package com.cloud.controller; import org.springframework.amqp.rabbit.core.RabbitTemplate; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; import java.util.HashMap; import java.util.Map; import java.util.UUID; @RestController public class SendFanoutMessage { @Autowired RabbitTemplate rabbitTemplate; //使用RabbitTemplate,这提供了接收/发送等等方法 @GetMapping("/sendFanoutMessage") public String sendFanoutMessage() { String messageId = String.valueOf(UUID.randomUUID()); String messageData = "message: testFanoutMessage "; String createTime = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")); Map<String, Object> map = new HashMap<>(); map.put("messageId", messageId); map.put("messageData", messageData); map.put("createTime", createTime); rabbitTemplate.convertAndSend("fanoutExchange", null, map); return "ok"; } }
package com.cloud.config; import org.springframework.amqp.rabbit.annotation.RabbitHandler; import org.springframework.amqp.rabbit.annotation.RabbitListener; import org.springframework.stereotype.Component; import java.util.Map; /** * @Author : * @CreateTime : 2019/9/3 * @Description : **/ @Component @RabbitListener(queues = "fanout.A") public class FanoutReceiverA { @RabbitHandler public void process(Map testMessage) { System.out.println("FanoutReceiverA消费者收到消息:" +testMessage.toString()); } }
package com.cloud.config; import org.springframework.amqp.rabbit.annotation.RabbitHandler; import org.springframework.amqp.rabbit.annotation.RabbitListener; import org.springframework.stereotype.Component; import java.util.Map; /** * @Author : * @CreateTime : 2019/9/3 * @Description : **/ @Component @RabbitListener(queues = "fanout.B") public class FanoutReceiverB { @RabbitHandler public void process(Map testMessage) { System.out.println("FanoutReceiverB消费者收到消息 : " +testMessage.toString()); } }
package com.cloud.config; import org.springframework.amqp.rabbit.annotation.RabbitHandler; import org.springframework.amqp.rabbit.annotation.RabbitListener; import org.springframework.stereotype.Component; import java.util.Map; /** * @Author : * @CreateTime : 2019/9/3 * @Description : **/ @Component @RabbitListener(queues = "fanout.C") public class FanoutReceiverC { @RabbitHandler public void process(Map testMessage) { System.out.println("FanoutReceiverC消费者收到消息: " +testMessage.toString()); } }
先运行provider ,再调用接口,最后启动consumer,否则报错。
解决rabbitmq DeclarationException Failed to declare queue异常
https://blog.csdn.net/ouzhuangzhuang/article/details/84839104?spm=1001.2101.3001.6661.1&utm_medium=distribute.pc_relevant_t0.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-1-84839104-blog-124932816.235%5Ev38%5Epc_relevant_anti_t3&depth_1-utm_source=distribute.pc_relevant_t0.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-1-84839104-blog-124932816.235%5Ev38%5Epc_relevant_anti_t3&utm_relevant_index=1
消费端启动报错:rabbitmq启动消费者模块失败的原因及解决
https://blog.csdn.net/qq_37373250/article/details/107135631?spm=1001.2101.3001.6650.5&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-5-107135631-blog-124932816.235%5Ev38%5Epc_relevant_anti_t3&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-5-107135631-blog-124932816.235%5Ev38%5Epc_relevant_anti_t3&utm_relevant_index=6
解决办法:是先启动生产者模块,再发起访问url(该操作会让rabbitmq服务器上创建对应的交换机和队列),最后再启动消费者模块。
https://blog.csdn.net/qq_37373250/article/details/107135631?spm=1001.2101.3001.6650.5&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-5-107135631-blog-124932816.235%5Ev38%5Epc_relevant_anti_t3&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-5-107135631-blog-124932816.235%5Ev38%5Epc_relevant_anti_t3&utm_relevant_index=6
解决办法:是先启动生产者模块,再发起访问url(该操作会让rabbitmq服务器上创建对应的交换机和队列),最后再启动消费者模块。
第一步:开启生产者模块
第二步: 发起对应的url访问
可见此时都已自动生成。
第三步:开启消费者模块
application.yml
#配置rabbitMq 服务器
rabbitmq:
host: 127.0.0.1
port: 5672
username: root
password: root
#虚拟host 可以不设置,使用server默认host 默认:/
virtual-host: RabbitMQHost
#消息回调即消息确认(生产者推送消息成功,消费者接收消息成功)
#确认消息已发送到交换机(Exchange)(根据springboot 版本确定使用下面哪一个)
#publisher-confirms: true
publisher-confirm-type: correlated
#确认消息已发送到队列(Queue)
publisher-returns: true
package com.cloud.config; import org.springframework.amqp.core.Message; import org.springframework.amqp.core.ReturnedMessage; import org.springframework.amqp.rabbit.connection.ConnectionFactory; import org.springframework.amqp.rabbit.connection.CorrelationData; import org.springframework.amqp.rabbit.core.RabbitTemplate; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; /** * @Author : * @CreateTime : 2019/9/3 * @Description : **/ @Configuration public class RabbitConfirmConfig { @Bean public RabbitTemplate createRabbitTemplate(ConnectionFactory connectionFactory){ RabbitTemplate rabbitTemplate = new RabbitTemplate(); rabbitTemplate.setConnectionFactory(connectionFactory); //设置开启Mandatory,才能触发回调函数,无论消息推送结果怎么样都强制调用回调函数 rabbitTemplate.setMandatory(true); rabbitTemplate.setConfirmCallback(new RabbitTemplate.ConfirmCallback() { @Override public void confirm(CorrelationData correlationData, boolean ack, String cause) { System.out.println("ConfirmCallback: "+"相关数据:"+correlationData); System.out.println("ConfirmCallback: "+"确认情况:"+ack); System.out.println("ConfirmCallback: "+"原因:"+cause); } }); /* rabbitTemplate.setReturnCallback(new RabbitTemplate.ReturnCallback() { @Override public void returnedMessage(Message message, int replyCode, String replyText, String exchange, String routingKey) { System.out.println("ReturnCallback: "+"消息:"+message); System.out.println("ReturnCallback: "+"回应码:"+replyCode); System.out.println("ReturnCallback: "+"回应信息:"+replyText); System.out.println("ReturnCallback: "+"交换机:"+exchange); System.out.println("ReturnCallback: "+"路由键:"+routingKey); } });*/ rabbitTemplate.setReturnsCallback(returned -> { System.out.println("ReturnCallback: "+"消息:"+returned.getMessage()); System.out.println("ReturnCallback: "+"回应码:"+returned.getReplyCode()); System.out.println("ReturnCallback: "+"回应信息:"+returned.getReplyText()); System.out.println("ReturnCallback: "+"交换机:"+returned.getExchange()); System.out.println("ReturnCallback: "+"路由键:"+returned.getRoutingKey()); }); return rabbitTemplate; }
package com.cloud.controller; import org.springframework.amqp.rabbit.core.RabbitTemplate; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; import java.util.HashMap; import java.util.Map; import java.util.UUID; @RestController public class RabbitConfirmController { /* 可以看到上面写了两个回调函数,一个叫 ConfirmCallback ,一个叫 RetrunCallback; 那么以上这两种回调函数都是在什么情况会触发呢 先从总体的情况分析,推送消息存在四种情况: ①消息推送到server,但是在server里找不到交换机 ②消息推送到server,找到交换机了,但是没找到队列 ③消息推送到sever,交换机和队列啥都没找到 ④消息推送成功 */ @Autowired RabbitTemplate rabbitTemplate; //使用RabbitTemplate,这提供了接收/发送等等方法 /* ①消息推送到server,但是在server里找不到交换机 把消息推送到名为‘non-existent-exchange’的交换机上(这个交换机是没有创建没有配置的) */ @GetMapping("/TestMessageAck") public String TestMessageAck() { String messageId = String.valueOf(UUID.randomUUID()); String messageData = "message: non-existent-exchange test message "; String createTime = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")); Map<String, Object> map = new HashMap<>(); map.put("messageId", messageId); map.put("messageData", messageData); map.put("createTime", createTime); rabbitTemplate.convertAndSend("non-existent-exchange", "TestDirectRouting", map); return "ok"; } /*②消息推送到server,找到交换机了,但是没找到队列*/ @GetMapping("/TestMessageAck2") public String TestMessageAck2() { String messageId = String.valueOf(UUID.randomUUID()); String messageData = "message: lonelyDirectExchange test message "; String createTime = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")); Map<String, Object> map = new HashMap<>(); map.put("messageId", messageId); map.put("messageData", messageData); map.put("createTime", createTime); rabbitTemplate.convertAndSend("lonelyDirectExchange", "TestDirectRouting", map); return "ok"; } }
package com.cloud.config; import org.springframework.amqp.core.Binding; import org.springframework.amqp.core.BindingBuilder; import org.springframework.amqp.core.DirectExchange; import org.springframework.amqp.core.Queue; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; /** * @Author : JCccc * @CreateTime : 2019/9/3 * @Description : **/ @Configuration public class DirectRabbitConfig { //队列 起名:TestDirectQueue @Bean public Queue TestDirectQueue() { // durable:是否持久化,默认是false,持久化队列:会被存储在磁盘上,当消息代理重启时仍然存在,暂存队列:当前连接有效 // exclusive:默认也是false,只能被当前创建的连接使用,而且当连接关闭后队列即被删除。此参考优先级高于durable // autoDelete:是否自动删除,当没有生产者或者消费者使用此队列,该队列会自动删除。 // return new Queue("TestDirectQueue",true,true,false); //一般设置一下队列的持久化就好,其余两个就是默认false return new Queue("TestDirectQueue",true); } //Direct交换机 起名:TestDirectExchange @Bean DirectExchange TestDirectExchange() { //return new DirectExchange("TestDirectExchange",true,true); return new DirectExchange("TestDirectExchange",true,false); } //绑定 将队列和交换机绑定, 并设置用于匹配键:TestDirectRouting @Bean Binding bindingDirect() { return BindingBuilder.bind(TestDirectQueue()).to(TestDirectExchange()).with("TestDirectRouting"); } @Bean DirectExchange lonelyDirectExchange() { return new DirectExchange("lonelyDirectExchange"); } }
package com.cloud.controller; import org.springframework.amqp.rabbit.core.RabbitTemplate; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RestController; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; import java.util.HashMap; import java.util.Map; import java.util.UUID; @RestController public class RabbitConfirmController { /* 可以看到上面写了两个回调函数,一个叫 ConfirmCallback ,一个叫 RetrunCallback; 那么以上这两种回调函数都是在什么情况会触发呢 先从总体的情况分析,推送消息存在四种情况: ①消息推送到server,但是在server里找不到交换机 ②消息推送到server,找到交换机了,但是没找到队列 ③消息推送到sever,交换机和队列啥都没找到 ④消息推送成功 */ @Autowired RabbitTemplate rabbitTemplate; //使用RabbitTemplate,这提供了接收/发送等等方法 /* ①消息推送到server,但是在server里找不到交换机 把消息推送到名为‘non-existent-exchange’的交换机上(这个交换机是没有创建没有配置的) */ @GetMapping("/TestMessageAck") public String TestMessageAck() { String messageId = String.valueOf(UUID.randomUUID()); String messageData = "message: non-existent-exchange test message "; String createTime = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")); Map<String, Object> map = new HashMap<>(); map.put("messageId", messageId); map.put("messageData", messageData); map.put("createTime", createTime); rabbitTemplate.convertAndSend("non-existent-exchange", "TestDirectRouting", map); return "ok"; } /*②消息推送到server,找到交换机了,但是没找到队列*/ @GetMapping("/TestMessageAck2") public String TestMessageAck2() { String messageId = String.valueOf(UUID.randomUUID()); String messageData = "message: lonelyDirectExchange test message "; String createTime = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")); Map<String, Object> map = new HashMap<>(); map.put("messageId", messageId); map.put("messageData", messageData); map.put("createTime", createTime); rabbitTemplate.convertAndSend("lonelyDirectExchange", "TestDirectRouting", map); return "ok"; } }
package com.cloud.config; import org.springframework.amqp.core.AcknowledgeMode; import org.springframework.amqp.rabbit.connection.CachingConnectionFactory; import org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; /** * @Author : JCccc * @CreateTime : 2019/9/4 * @Description : **/ @Configuration public class MessageListenerConfig { @Autowired private CachingConnectionFactory connectionFactory; @Autowired private MyAckReceiver myAckReceiver;//消息接收处理类 @Bean public SimpleMessageListenerContainer simpleMessageListenerContainer() { SimpleMessageListenerContainer container = new SimpleMessageListenerContainer(connectionFactory); container.setConcurrentConsumers(1); container.setMaxConcurrentConsumers(1); container.setAcknowledgeMode(AcknowledgeMode.MANUAL); // RabbitMQ默认是自动确认,这里改为手动确认消息 //设置一个队列 container.setQueueNames("TestDirectQueue"); //设置多个队列 //container.setQueueNames("TestDirectQueue","fanout.A"); //如果同时设置多个如下: 前提是队列都是必须已经创建存在的 // container.setQueueNames("TestDirectQueue","TestDirectQueue2","TestDirectQueue3"); //另一种设置队列的方法,如果使用这种情况,那么要设置多个,就使用addQueues //container.setQueues(new Queue("TestDirectQueue",true)); //container.addQueues(new Queue("TestDirectQueue2",true)); //container.addQueues(new Queue("TestDirectQueue3",true)); container.setMessageListener(myAckReceiver); return container; } }
package com.cloud.config; import com.rabbitmq.client.Channel; import org.springframework.amqp.core.Message; import org.springframework.amqp.rabbit.listener.api.ChannelAwareMessageListener; import org.springframework.stereotype.Component; import java.io.ByteArrayInputStream; import java.io.ObjectInputStream; import java.util.Map; @Component public class MyAckReceiver implements ChannelAwareMessageListener { @Override public void onMessage(Message message, Channel channel) throws Exception { long deliveryTag = message.getMessageProperties().getDeliveryTag(); try { byte[] body = message.getBody(); ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(body)); Map<String,String> msgMap = (Map<String,String>) ois.readObject(); String messageId = msgMap.get("messageId"); String messageData = msgMap.get("messageData"); String createTime = msgMap.get("createTime"); ois.close(); if ("TestDirectQueue".equals(message.getMessageProperties().getConsumerQueue())){ System.out.println("消费的消息来自的队列名为:"+message.getMessageProperties().getConsumerQueue()); System.out.println("消息成功消费到 messageId:"+messageId+" messageData:"+messageData+" createTime:"+createTime); System.out.println("执行TestDirectQueue中的消息的业务处理流程......"); } if ("fanout.A".equals(message.getMessageProperties().getConsumerQueue())){ System.out.println("消费的消息来自的队列名为:"+message.getMessageProperties().getConsumerQueue()); System.out.println("消息成功消费到 messageId:"+messageId+" messageData:"+messageData+" createTime:"+createTime); System.out.println("执行fanout.A中的消息的业务处理流程......"); } channel.basicAck(deliveryTag, true); //channel.basicReject(deliveryTag, true);//为true会重新放回队列 } catch (Exception e) { channel.basicReject(deliveryTag, false); e.printStackTrace(); } } }
consumer项目
package com.cloud.config; import org.springframework.amqp.core.AcknowledgeMode; import org.springframework.amqp.rabbit.connection.CachingConnectionFactory; import org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; /** * @Author : JCccc * @CreateTime : 2019/9/4 * @Description : **/ @Configuration public class MessageListenerConfig { @Autowired private CachingConnectionFactory connectionFactory; @Autowired private MyAckReceiver myAckReceiver;//消息接收处理类 @Bean public SimpleMessageListenerContainer simpleMessageListenerContainer() { SimpleMessageListenerContainer container = new SimpleMessageListenerContainer(connectionFactory); container.setConcurrentConsumers(1); container.setMaxConcurrentConsumers(1); // RabbitMQ默认是自动确认,这里改为手动确认消息 container.setAcknowledgeMode(AcknowledgeMode.MANUAL);//设置一个队列 //container.setQueueNames("TestDirectQueue"); //设置多个队列 container.setQueueNames("TestDirectQueue","fanout.A"); //如果同时设置多个如下: 前提是队列都是必须已经创建存在的 // container.setQueueNames("TestDirectQueue","TestDirectQueue2","TestDirectQueue3"); //另一种设置队列的方法,如果使用这种情况,那么要设置多个,就使用addQueues //container.setQueues(new Queue("TestDirectQueue",true)); //container.addQueues(new Queue("TestDirectQueue2",true)); //container.addQueues(new Queue("TestDirectQueue3",true)); container.setMessageListener(myAckReceiver); return container; } }
package com.cloud.config; import com.rabbitmq.client.Channel; import org.springframework.amqp.core.Message; import org.springframework.amqp.rabbit.listener.api.ChannelAwareMessageListener; import org.springframework.stereotype.Component; import java.io.ByteArrayInputStream; import java.io.ObjectInputStream; import java.util.Map; @Component public class MyAckReceiver implements ChannelAwareMessageListener { @Override public void onMessage(Message message, Channel channel) throws Exception { long deliveryTag = message.getMessageProperties().getDeliveryTag(); try { byte[] body = message.getBody(); ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(body)); Map<String,String> msgMap = (Map<String,String>) ois.readObject(); String messageId = msgMap.get("messageId"); String messageData = msgMap.get("messageData"); String createTime = msgMap.get("createTime"); ois.close(); if ("TestDirectQueue".equals(message.getMessageProperties().getConsumerQueue())){ System.out.println("消费的消息来自的队列名为:"+message.getMessageProperties().getConsumerQueue()); System.out.println("消息成功消费到 messageId:"+messageId+" messageData:"+messageData+" createTime:"+createTime); System.out.println("执行TestDirectQueue中的消息的业务处理流程......"); } if ("fanout.A".equals(message.getMessageProperties().getConsumerQueue())){ System.out.println("消费的消息来自的队列名为:"+message.getMessageProperties().getConsumerQueue()); System.out.println("消息成功消费到 messageId:"+messageId+" messageData:"+messageData+" createTime:"+createTime); System.out.println("执行fanout.A中的消息的业务处理流程......"); } channel.basicAck(deliveryTag, true); //channel.basicReject(deliveryTag, true);//为true会重新放回队列 } catch (Exception e) { channel.basicReject(deliveryTag, false); e.printStackTrace(); } } }
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