课程信息:
- 课程名称:RabbitMQ消息中间件极速入门与实战
- 章节名称:第二章 RabbitMQ整合 SpringBoot 2 生产端发送消息
- 讲师姓名:阿神
课程内容:
1. SpringBoot与RabbitMQ集成非常简单,不需要做任何的额外配置,只需要两步即可:
step1:引入相关依赖
step2:对application.properties进行配置
2. 新建SpringBoot项目:
配置相关依赖:
<dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-amqp --> <!-- RabbitMQ 相关依赖 --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-amqp</artifactId> <version>2.7.2</version> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> <version>4.0.1</version> <scope>provided</scope> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>2.0.17</version> </dependency> <dependency> <groupId>commons-io</groupId> <artifactId>commons-io</artifactId> <version>2.6</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> </dependency> </dependencies>
编写配置文件:
spring.rabbitmq.addresses=127.0.0.1 spring.rabbitmq.username=guest spring.rabbitmq.password=guest spring.rabbitmq.virtual-host=/ spring.rabbitmq.connection-timeout=15000 # 服务相关 server.servlet.context-path=/ server.port=8001 server.servlet.encoding.charset=utf-8 spring.jackson.date-format=yyyy-MM-dd HH:mm:ss spring.jackson.time-zone=GMT+8 spring.jackson.default-property-inclusion=NON_NULL
3. 建表
4. 编写实体类
这里一定要继承Serializable,是因为:Order类是通过网络传输到RabbitMQ上的。
package com.lcc.rabbitmq.entity; import java.io.Serializable; public class Order implements Serializable { private int id; private String name; private String messageId; // 存储消息发送的唯一标识 public Order() { } public Order(int id, String name, String messageId) { this.id = id; this.name = name; this.messageId = messageId; } public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getMessageId() { return messageId; } public void setMessageId(String messageId) { this.messageId = messageId; } }
5. 发送消息
@Component public class OrderSender { @Autowired private RabbitTemplate rabbitTemplate; //自动装配rabbitMQ 模板 public void sendOrder (Order order) { rabbitTemplate.convertAndSend( "order-exchange", // exchange 交换机 "order.abcd", // routingKey order, // 消息体内容 new CorrelationData(order.getMessageId()) // correlationData 消息唯一ID ); } }
学习心得:
通过本次学习我了解了,RabbitMQ的一些基本操作,通过与SpringBoot整合可以很简单的实现RabbitMQ的功能。
课程截图:
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