增加 spring boot rabbitMQ 用例

spring-boot/spring-boot-rabbitmq/rabbitmq-producer/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>com.heibaiying</groupId>
+        <artifactId>spring-boot-rabbitmq</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>rabbitmq-producer</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>rabbitmq-producer</name>
+    <description>RabbitMQ producer project for Spring Boot</description>
+
+    <properties>
+        <java.version>1.8</java.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.heibaiying</groupId>
+            <artifactId>rabbitmq-common</artifactId>
+            <version>0.0.1-SNAPSHOT</version>
+            <scope>compile</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

spring-boot/spring-boot-rabbitmq/rabbitmq-producer/src/main/java/com/heibaiying/rabbitmq/RabbitmqProducerApplication.java

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+package com.heibaiying.rabbitmq;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class RabbitmqProducerApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(RabbitmqProducerApplication.class, args);
+    }
+
+}
+

spring-boot/spring-boot-rabbitmq/rabbitmq-producer/src/main/java/com/heibaiying/rabbitmq/producer/RabbitmqProducer.java

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+package com.heibaiying.rabbitmq.producer;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.amqp.rabbit.connection.CorrelationData;
+import org.springframework.amqp.rabbit.core.RabbitTemplate;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.messaging.Message;
+import org.springframework.messaging.MessageHeaders;
+import org.springframework.messaging.support.MessageBuilder;
+import org.springframework.stereotype.Component;
+
+import java.util.Map;
+
+/**
+ * @author : heibaiying
+ * @description : 消息生产者
+ */
+@Component
+@Slf4j
+public class RabbitmqProducer {
+
+    @Autowired
+    private RabbitTemplate rabbitTemplate;
+
+    public void sendSimpleMessage( Map<String, Object> headers,Object message,
+                                  String messageId, String exchangeName, String key) {
+        // 自定义消息头
+        MessageHeaders messageHeaders = new MessageHeaders(headers);
+        // 创建消息
+        Message<Object> msg = MessageBuilder.createMessage(message, messageHeaders);
+        // 确认的回调 确认消息是否到达 Broker 服务器
+        rabbitTemplate.setConfirmCallback((correlationData, ack, cause) -> {
+            //当ack为false时才表示消息不可达，才需要进行对应的消息补偿机制
+            log.info("correlationData：{} , ack:{}", correlationData.getId(),ack);
+        });
+        // 消息失败的回调
+        rabbitTemplate.setReturnCallback((message1, replyCode, replyText, exchange, routingKey) -> {
+            log.info("message:{}; replyCode{}; replyText{} ;", message1.getBody(), replyCode, replyText);
+        });
+        // 在实际中ID 应该是全局唯一 能够唯一标识消息
+        CorrelationData correlationData = new CorrelationData(messageId);
+        rabbitTemplate.convertAndSend(exchangeName, key, msg, correlationData);
+    }
+}

spring-boot/spring-boot-rabbitmq/rabbitmq-producer/src/main/resources/application.yml

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+spring:
+  rabbitmq:
+    addresses: 192.168.0.108:5672
+    # RabbitMQ 默认的用户名和密码都是guest 而虚拟主机名称是 "/"
+    # 如果配置其他虚拟主机地址，需要预先用管控台或者图形界面创建 图形界面地址 http://主机地址:15672
+    username: admin
+    password: admin
+    virtual-host: my_vhost
+    # 是否启用发布者确认 具体确认回调实现见代码
+    publisher-confirms: true
+    # 是否启用发布者返回 具体返回回调实现见代码
+    publisher-returns: true
+    # 是否启用强制消息 保证消息的有效监听
+    template.mandatory: true
+
+server:
+  port: 8090
+

spring-boot/spring-boot-rabbitmq/rabbitmq-producer/src/test/java/com/heibaiying/rabbitmq/RabbitmqProducerTests.java

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+package com.heibaiying.rabbitmq;
+
+import com.heibaiying.bean.Programmer;
+import com.heibaiying.constant.RabbitBeanInfo;
+import com.heibaiying.constant.RabbitInfo;
+import com.heibaiying.rabbitmq.producer.RabbitmqProducer;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class RabbitmqProducerTests {
+
+    @Autowired
+    private RabbitmqProducer producer;
+
+    @Test
+    public void send() {
+        Map<String, Object> heads = new HashMap<>();
+        heads.put("msgInfo", "自定义消息头信息");
+        // 模拟生成消息ID,在实际中应该是全局唯一的 消息不可达时候可以在setConfirmCallback回调中取得，可以进行对应的重发或错误处理
+        String id = String.valueOf(Math.round(Math.random() * 10000));
+        producer.sendSimpleMessage(heads, "hello Spring", id, RabbitInfo.EXCHANGE_NAME, "springboot.simple.abc");
+    }
+
+
+    @Test
+    public void sendBean() {
+        String id = String.valueOf(Math.round(Math.random() * 10000));
+        Programmer programmer = new Programmer("xiaoMing", 12, 12123.45f, new Date());
+        producer.sendSimpleMessage(null, programmer, id, RabbitBeanInfo.EXCHANGE_NAME, RabbitBeanInfo.ROUTING_KEY);
+    }
+
+}
+