Smart Kettle Docker部署
1. 概述
智能水壶是一种通过Wi-Fi连接到云平台的设备,可以通过手机应用程序进行控制和监控。本文将介绍如何使用Docker容器来部署和管理智能水壶的后端服务。
2. 技术选型
在开始之前,我们需要选择合适的技术栈来构建智能水壶的后端服务。以下是我们的技术选型:
- 语言:Java
- 框架:Spring Boot
- 数据库:MySQL
- 消息队列:RabbitMQ
- 容器化:Docker
3. 设计与实现
3.1 架构设计
首先,我们需要明确智能水壶的功能和架构设计。智能水壶主要包括以下模块:
- 水壶控制模块:负责接收和处理来自手机应用程序的控制指令。
- 数据采集模块:负责采集水壶的温度和水位信息。
- 数据存储模块:负责将采集到的数据存储到数据库中。
- 消息推送模块:负责将水壶状态变化的消息推送给手机应用程序。
3.2 类图
classDiagram
class SmartKettle {
+String id
+String name
+double temperature
+double waterLevel
+void setTemperature(double temperature)
+void setWaterLevel(double waterLevel)
+double getTemperature()
+double getWaterLevel()
+void startHeating()
+void stopHeating()
+void startBoiling()
+void stopBoiling()
}
class KettleController {
<<RestController>>
+SmartKettle kettle
+void setTemperature(double temperature)
+void setWaterLevel(double waterLevel)
+double getTemperature()
+double getWaterLevel()
+void startHeating()
+void stopHeating()
+void startBoiling()
+void stopBoiling()
}
class DataCollector {
+SmartKettle kettle
+void collectTemperature()
+void collectWaterLevel()
}
class DataStorage {
+void saveTemperature(double temperature)
+void saveWaterLevel(double waterLevel)
}
SmartKettle --> KettleController
KettleController --> DataCollector
DataCollector --> DataStorage
3.3 代码实现
首先,我们需要创建一个Spring Boot项目,并引入相关依赖。以下是项目的pom.xml
文件的示例:
<dependencies>
<!-- Spring Boot Starter -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- MySQL Connector -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<!-- RabbitMQ Client -->
<dependency>
<groupId>com.rabbitmq</groupId>
<artifactId>amqp-client</artifactId>
</dependency>
</dependencies>
接下来,我们需要创建智能水壶类和控制器类。以下是相关代码的示例:
@RestController
public class KettleController {
private SmartKettle kettle;
@Autowired
public KettleController(SmartKettle kettle) {
this.kettle = kettle;
}
@PostMapping("/temperature")
public void setTemperature(@RequestParam double temperature) {
kettle.setTemperature(temperature);
}
@PostMapping("/waterLevel")
public void setWaterLevel(@RequestParam double waterLevel) {
kettle.setWaterLevel(waterLevel);
}
@GetMapping("/temperature")
public double getTemperature() {
return kettle.getTemperature();
}
@GetMapping("/waterLevel")
public double getWaterLevel() {
return kettle.getWaterLevel();
}
// ...
}
public class SmartKettle {
private String id;
private String name;
private double temperature;
private double waterLevel;
public void setTemperature(double temperature) {
this.temperature = temperature;
}
public void setWaterLevel(double waterLevel) {
this.waterLevel = waterLevel;
}
public double getTemperature() {
return temperature;
}
public double getWaterLevel() {
return waterLevel;
}
// ...
}
然后,我们需要创建数据采集器和数据存储类。以下是相关代码的示例:
public class DataCollector {
private SmartKettle kettle;
public DataCollector(SmartKettle