springboot如何整合阿里云iot的AMQP示例代码,把接收到的数据保存到数据库表里
时间: 2024-05-05 09:15:48 浏览: 16
首先,需要在pom.xml文件中添加AMQP和MySQL的依赖:
```
<dependency>
<groupId>com.aliyun</groupId>
<artifactId>aliyun-java-sdk-amqp</artifactId>
<version>1.0.0</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.23</version>
</dependency>
```
然后,创建一个AMQP的消费者类,用于接收阿里云IoT平台发送的消息,并将消息保存到数据库中:
```java
@Component
public class AmqpConsumer {
@Autowired
private DataSource dataSource;
@RabbitListener(queues = "your-queue-name")
public void receiveMessage(Message message) {
String body = new String(message.getBody());
JSONObject jsonObject = JSON.parseObject(body);
String deviceName = jsonObject.getString("deviceName");
String propertyValue = jsonObject.getJSONObject("items").getString("your-property-name");
try (Connection connection = dataSource.getConnection()) {
String sql = "INSERT INTO your-table-name (device_name, property_value) VALUES (?, ?)";
try (PreparedStatement statement = connection.prepareStatement(sql)) {
statement.setString(1, deviceName);
statement.setString(2, propertyValue);
statement.execute();
}
} catch (SQLException e) {
e.printStackTrace();
}
}
}
```
其中,`your-queue-name`需要替换成你在阿里云IoT平台创建的队列名称,`your-property-name`需要替换成你要接收的属性名称,`your-table-name`需要替换成你要保存数据的数据库表名。
最后,在Spring Boot的配置文件中添加AMQP和MySQL的配置:
```
spring.rabbitmq.host=your-host
spring.rabbitmq.port=your-port
spring.rabbitmq.username=your-username
spring.rabbitmq.password=your-password
spring.datasource.url=jdbc:mysql://your-host:your-port/your-database-name?useSSL=false&serverTimezone=UTC
spring.datasource.username=your-username
spring.datasource.password=your-password
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
```
其中,`your-host`、`your-port`、`your-username`、`your-password`、`your-database-name`需要替换成你的AMQP和MySQL的相关配置信息。
完成上述步骤后,就可以接收阿里云IoT平台发送的消息,并将消息保存到MySQL数据库表中。