springboot 实现mqtt物联网的示例代码

目录整合mqtt整合druid整合mybatis-plus完整yml整合swaggerUi整合log4jMQTT 物联网系统基本架构

Springboot整合mybatisPlus+mysql+druid+swaggerUI+ mqtt 整合mqtt整合druid整合mybatis-plus完整pom完整yml整合swaggerUi整合log4j MQTT 物联网系统基本架构本物联网系列 mqtt)

整合mqtt

 <!--mqtt依赖-->  <dependency>   <groupId>org.springframework.boot</groupId>   <artifactId>spring-boot-starter-integration</artifactId>  </dependency>  <dependency>   <groupId>org.springframework.integration</groupId>   <artifactId>spring-integration-stream</artifactId>  </dependency>  <dependency>   <groupId>org.springframework.integration</groupId>   <artifactId>spring-integration-mqtt</artifactId>  </dependency>

yml

iot: mqtt: clientId: ${random.value} defaultTopic: topic shbykjTopic: shbykj_topic url: tcp://127.0.0.1:1883 username: admin password: admin completionTimeout: 3000

package com.shbykj.handle.mqtt;import lombok.Getter;import lombok.Setter;import org.springframework.boot.context.properties.ConfigurationProperties;import org.springframework.integration.annotation.IntegrationComponentScan;import org.springframework.stereotype.Component;/** * @Author: wxm * @Description: mqtt基础配置类 */@Getter@Setter@Component@IntegrationComponentScan@ConfigurationProperties(prefix = "iot.mqtt")public class BykjMqttConfig { /* * * 服务地址 */ private String url; /** * 客户端id */ private String clientId; /* * * 默认主题 */ private String defaultTopic; /* * * 用户名和密码*/ private String username; private String password; /** * 超时时间 */ private int completionTimeout; /** * shbykj自定义主题 */ private String shbykjTopic;}

package com.shbykj.handle.mqtt.producer;import org.springframework.integration.annotation.MessagingGateway;import org.springframework.integration.mqtt.support.MqttHeaders;import org.springframework.messaging.handler.annotation.Header;/** * @description rabbitmq mqtt协议网关接口 * @date 2020/6/8 18:26 */@MessagingGateway(defaultRequestChannel = "iotMqttInputChannel")public interface IotMqttGateway { void sendMessage2Mqtt(String data); void sendMessage2Mqtt(String data, @Header(MqttHeaders.TOPIC) String topic); void sendMessage2Mqtt(@Header(MqttHeaders.TOPIC) String topic, @Header(MqttHeaders.QOS) int qos, String payload);}

package com.shbykj.handle.mqtt;import org.eclipse.paho.client.mqttv3.MqttConnectOptions;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import org.springframework.integration.annotation.ServiceActivator;import org.springframework.integration.channel.DirectChannel;import org.springframework.integration.mqtt.core.DefaultMqttPahoClientFactory;import org.springframework.integration.mqtt.core.MqttPahoClientFactory;import org.springframework.messaging.MessageChannel;import org.springframework.messaging.MessageHandler;import org.springframework.messaging.MessagingException;@Configurationpublic class IotMqttProducerConfig { public final Logger logger = LoggerFactory.getLogger(this.getClass()); @Autowired private BykjMqttConfig mqttConfig; /* * * MQTT连接器选项 * * */ @Bean(value = "getMqttConnectOptions") public MqttConnectOptions getMqttConnectOptions1() { MqttConnectOptions mqttConnectOptions = new MqttConnectOptions(); // 设置是否清空session,这里如果设置为false表示服务器会保留客户端的连接记录，这里设置为true表示每次连接到服务器都以新的身份连接 mqttConnectOptions.setCleanSession(true); // 设置超时时间 单位为秒 mqttConnectOptions.setConnectionTimeout(mqttConfig.getCompletionTimeout()); mqttConnectOptions.setAutomaticReconnect(true); mqttConnectOptions.setUserName(mqttConfig.getUsername()); mqttConnectOptions.setPassword(mqttConfig.getPassword().toCharArray()); mqttConnectOptions.setServerURIs(new String[]{mqttConfig.getUrl()}); // 设置会话心跳时间 单位为秒 服务器会每隔1.5*20秒的时间向客户端发送心跳判断客户端是否在线，但这个方法并没有重连的机制 mqttConnectOptions.setKeepAliveInterval(10); // 设置“遗嘱”消息的话题，若客户端与服务器之间的连接意外中断，服务器将发布客户端的“遗嘱”消息。 //mqttConnectOptions.setWill("willTopic", WILL_DATA, 2, false); return mqttConnectOptions; } /** * mqtt工厂 * * @return */ @Bean public MqttPahoClientFactory mqttClientFactory() { DefaultMqttPahoClientFactory factory = new DefaultMqttPahoClientFactory();// factory.setServerURIs(mqttConfig.getServers()); factory.setConnectionOptions(getMqttConnectOptions1()); return factory; } @Bean public MessageChannel iotMqttInputChannel() { return new DirectChannel(); } // @Bean// @ServiceActivator(inputChannel = "iotMqttInputChannel")// public MessageHandler mqttOutbound() {// MqttPahoMessageHandler messageHandler = new MqttPahoMessageHandler(mqttConfig.getClientId(), mqttClientFactory());// messageHandler.setAsync(false);// messageHandler.setDefaultQos(2);// messageHandler.setDefaultTopic(mqttConfig.getDefaultTopic());// return messageHandler;// } @Bean @ServiceActivator(inputChannel = "iotMqttInputChannel") public MessageHandler handlerTest() { return message -> {  try {  String string = message.getPayload().toString();  System.out.println(string);  } catch (MessagingException ex) {  ex.printStackTrace();  logger.info(ex.getMessage());  } }; }}

package com.shbykj.handle.mqtt;import org.eclipse.paho.client.mqttv3.MqttConnectOptions;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;import org.springframework.integration.annotation.ServiceActivator;import org.springframework.integration.channel.DirectChannel;import org.springframework.integration.core.MessageProducer;import org.springframework.integration.mqtt.core.DefaultMqttPahoClientFactory;import org.springframework.integration.mqtt.core.MqttPahoClientFactory;import org.springframework.integration.mqtt.inbound.MqttPahoMessageDrivenChannelAdapter;import org.springframework.integration.mqtt.outbound.MqttPahoMessageHandler;import org.springframework.integration.mqtt.support.DefaultPahoMessageConverter;import org.springframework.messaging.Message;import org.springframework.messaging.MessageChannel;import org.springframework.messaging.MessageHandler;import org.springframework.messaging.MessagingException;/** * @Author: xiaofu * @Description: 消息订阅配置 * @date 2020/6/8 18:24 */@Configurationpublic class IotMqttSubscriberConfig { public final Logger logger = LoggerFactory.getLogger(this.getClass()); @Autowired private MqttReceiveHandle mqttReceiveHandle; @Autowired private BykjMqttConfig mqttConfig; /* * * MQTT连接器选项 * * */ @Bean(value = "getMqttConnectOptions") public MqttConnectOptions getMqttConnectOptions1() { MqttConnectOptions mqttConnectOptions = new MqttConnectOptions(); // 设置是否清空session,这里如果设置为false表示服务器会保留客户端的连接记录，这里设置为true表示每次连接到服务器都以新的身份连接 mqttConnectOptions.setCleanSession(true); // 设置超时时间 单位为秒 mqttConnectOptions.setConnectionTimeout(10); mqttConnectOptions.setAutomaticReconnect(true);// mqttConnectOptions.setUserName(mqttConfig.getUsername());// mqttConnectOptions.setPassword(mqttConfig.getPassword().toCharArray()); mqttConnectOptions.setServerURIs(new String[]{mqttConfig.getUrl()}); // 设置会话心跳时间 单位为秒 服务器会每隔1.5*20秒的时间向客户端发送心跳判断客户端是否在线，但这个方法并没有重连的机制 mqttConnectOptions.setKeepAliveInterval(10); // 设置“遗嘱”消息的话题，若客户端与服务器之间的连接意外中断，服务器将发布客户端的“遗嘱”消息。 //mqttConnectOptions.setWill("willTopic", WILL_DATA, 2, false); return mqttConnectOptions; } /* * *MQTT信息通道（生产者） ** */ @Bean public MessageChannel iotMqttOutboundChannel() { return new DirectChannel(); } /* * *MQTT消息处理器（生产者） ** */ @Bean @ServiceActivator(inputChannel = "iotMqttOutboundChannel") public MessageHandler mqttOutbound() { MqttPahoMessageHandler messageHandler = new MqttPahoMessageHandler(mqttConfig.getClientId(), mqttClientFactory()); messageHandler.setAsync(true); messageHandler.setDefaultTopic(mqttConfig.getDefaultTopic()); return messageHandler; } /* * *MQTT工厂 ** */ @Bean public MqttPahoClientFactory mqttClientFactory() { DefaultMqttPahoClientFactory factory = new DefaultMqttPahoClientFactory();// factory.setServerURIs(mqttConfig.getServers()); factory.setConnectionOptions(getMqttConnectOptions1()); return factory; } /* * *MQTT信息通道（消费者） ** */ @Bean public MessageChannel iotMqttInputChannel() { return new DirectChannel(); } /** * 配置client,监听的topic * MQTT消息订阅绑定（消费者） ***/ @Bean public MessageProducer inbound() { MqttPahoMessageDrivenChannelAdapter adapter = new MqttPahoMessageDrivenChannelAdapter(mqttConfig.getClientId(), mqttClientFactory(), mqttConfig.getDefaultTopic(), mqttConfig.getShbykjTopic()); adapter.setCompletionTimeout(mqttConfig.getCompletionTimeout()); adapter.setConverter(new DefaultPahoMessageConverter()); adapter.setQos(2); adapter.setOutputChannel(iotMqttInputChannel()); return adapter; } /** * @author wxm * @description 消息订阅 * @date 2020/6/8 18:20 */ @Bean @ServiceActivator(inputChannel = "iotMqttInputChannel") public MessageHandler handler() { return new MessageHandler() {  @Override  public void handleMessage(Message<?> message) throws MessagingException {  //处理接收消息  try {   mqttReceiveHandle.handle(message);  } catch (Exception e) {   logger.warn("消息处理异常"+e.getMessage());   e.printStackTrace();  }  } }; }}

package com.shbykj.handle.mqtt;import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;import com.shbykj.handle.common.DataCheck;import com.shbykj.handle.common.RedisKey;import com.shbykj.handle.common.RedisUtils;import com.shbykj.handle.common.constants.Constants;import com.shbykj.handle.common.model.ShbyCSDeviceEntity;import com.shbykj.handle.common.model.sys.SysInstrument;import com.shbykj.handle.resolve.mapper.SysInstrumentMapper;import com.shbykj.handle.resolve.util.DateUtils;import com.shbykj.handle.resolve.util.ShbyCSDeviceUtils;import lombok.extern.slf4j.Slf4j;import org.apache.commons.collections.BidiMap;import org.apache.commons.collections.bidimap.DualHashBidiMap;import org.apache.commons.lang3.StringUtils;import org.eclipse.paho.client.mqttv3.IMqttDeliveryToken;import org.eclipse.paho.client.mqttv3.MqttCallback;import org.eclipse.paho.client.mqttv3.MqttMessage;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.beans.factory.annotation.Value;import org.springframework.integration.mqtt.support.MqttHeaders;import org.springframework.messaging.Message;import org.springframework.stereotype.Component;import org.springframework.transaction.annotation.Transactional;import java.text.SimpleDateFormat;import java.util.Date;import java.util.HashMap;import java.util.Map;/* * * mqtt客户端消息处理类 * **/@Component@Slf4j@Transactionalpublic class MqttReceiveHandle implements MqttCallback { private static final Logger logger = LoggerFactory.getLogger(MqttReceiveHandle.class); @Value("${shbykj.checkCrc}") private boolean checkcrc; @Autowired private SysInstrumentMapper sysInstrumentMapper; @Autowired private RedisUtils redisUtils; public static BidiMap bidiMap = new DualHashBidiMap(); //记录bykj协议内容 public static Map<String, Map<String, Object>> devMap = new HashMap(); //记录上限数量// public static Map<String, ChannelHandlerContext> ctxMap = new HashMap(); public void handle(Message<?> message) { try {  logger.info("{},客户端号：{},主题：{}，QOS:{}，消息接收到的数据：{}", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()), message.getHeaders().get(MqttHeaders.ID), message.getHeaders().get(MqttHeaders.RECEIVED_TOPIC), message.getHeaders().get(MqttHeaders.RECEIVED_QOS), message.getPayload());  //处理mqtt数据  this.handle(message.getPayload().toString()); } catch (Exception e) {  e.printStackTrace();  log.error("处理错误" + e.getMessage()); } } private void handle(String str) throws Exception { boolean flag = this.dataCheck(str); if (flag) {  ShbyCSDeviceEntity shbyCSDeviceEntity = ShbyCSDeviceUtils.convertToSysInstrumentEntity(str);  String deviceNumber = shbyCSDeviceEntity.getPN();  String smpId = shbyCSDeviceEntity.getSMP_ID();  String smpName = shbyCSDeviceEntity.getSMP_NAME();  String smpWt = shbyCSDeviceEntity.getSMP_WT();  if (StringUtils.isEmpty(smpId) || StringUtils.isEmpty(smpName) || StringUtils.isEmpty(smpWt)) {  log.error("过滤无实际作用报文信息", str);  logger.error("过滤无实际作用报文信息", str);  return;  }  //判断设备id是否存在数据库中，存在才进行数据部分处理  //不存在就提醒需要添加设备：  QueryWrapper<SysInstrument> wrapper = new QueryWrapper();  wrapper.eq("number", deviceNumber);  wrapper.eq("is_deleted", Constants.NO);  SysInstrument sysInstrument = sysInstrumentMapper.selectOne(wrapper);  if (null == sysInstrument) {  log.error("碳氧仪不存在或已删除，设备号：{}", deviceNumber);  logger.error("碳氧仪不存在或已删除，设备号：{}", deviceNumber);  return;  }  try {  //增加实时数据  String instrumentId = sysInstrument.getId().toString();  String realDataKey = RedisKey.CSdevice_DATA_KEY + instrumentId;  this.redisUtils.set(realDataKey, shbyCSDeviceEntity);  System.out.println(shbyCSDeviceEntity);  //通讯时间  String onlineTime = "shbykj_mqtt:onlines:" + instrumentId;  this.redisUtils.set(onlineTime, shbyCSDeviceEntity.getDataTime(), (long) Constants.RedisTimeOut.REAL_TIME_OUT);  log.info("实时数据已经更新：设备主键id" + instrumentId);  logger.info("{} 实时数据已经更新：设备主键id:{}",new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()),instrumentId);  } catch (Exception var1) {  log.error("redis处理实时报文数据逻辑异常 ：" + var1.getMessage());  logger.error("redis处理实时报文数据逻辑异常 ：" + var1.getMessage());  } } } private boolean dataCheck(String message) { boolean flag = DataCheck.receiverCheck(message); if (!flag) {  return false; } else {  int i = message.indexOf("QN=");  if (i < 0) {  log.warn("数据包中没有QN号码: " + message);  logger.warn("数据包中没有QN号码: " + message);  return false;  } else {  i = message.indexOf("PN=");  if (i < 0) {   log.warn("数据包中没有PN号码: " + message);   logger.warn("数据包中没有PN号码: " + message);   return false;  } else {   if (this.checkcrc) {   flag = DataCheck.checkCrc(message);   if (!flag) {    log.warn("crc校验失败: " + message);    logger.warn("数据包中没有PN号码: " + message);    return false;   }   }   return true;  }  } } } /** * 连接丢失 * * @param throwable */ @Override public void connectionLost(Throwable throwable) { logger.warn("连接丢失-客户端:｛｝,原因：{}", throwable.getMessage()); } /** * 消息已到达 * * @param s * @param mqttMessage * @throws Exception */ @Override public void messageArrived(String s, MqttMessage mqttMessage) throws Exception { } /** * 完成消息回调 * * @param iMqttDeliveryToken */ @Override public void deliveryComplete(IMqttDeliveryToken iMqttDeliveryToken) { }}

整合druid

pom

 <dependency>  <groupId>com.alibaba</groupId>  <artifactId>druid-spring-boot-starter</artifactId>  <version>1.1.10</version> </dependency>

druid-bean.xml

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd"> <!-- 配置_Druid和Spring关联监控配置 --> <bean id="druid-stat-interceptor"  class="com.alibaba.druid.support.spring.stat.DruidStatInterceptor"></bean> <!-- 方法名正则匹配拦截配置 --> <bean id="druid-stat-pointcut" class="org.springframework.aop.support.JdkRegexpMethodPointcut"  scope="prototype"> <property name="patterns">  <list>  <value>com.shbykj.*.service.*.impl.*</value>  </list> </property> </bean> <aop:config proxy-target-class="true"> <aop:advisor advice-ref="druid-stat-interceptor"   pointcut-ref="druid-stat-pointcut" /> </aop:config></beans>

yml

#springspring: main: allow-bean-definition-overriding: true # mysql DATABASE CONFIG datasource: druid: filters: stat,wall,log4j2 continueOnError: true type: com.alibaba.druid.pool.DruidDataSource url: jdbc:mysql://localhost:3306/mqttdb?useSSL=false&useUnicode=true&characterEncoding=utf-8&serverTimezone=UTC&allowPublicKeyRetrieval=true username: root password: 123456 driver-class-name: com.mysql.jdbc.Driver # see https://github.com/alibaba/druid initialSize: 15 minIdle: 10 maxActive: 200 maxWait: 60000 timeBetweenEvictionRunsMillis: 60000 validationQuery: SELECT 1 testWhileIdle: true testOnBorrow: false testOnReturn: false poolPreparedStatements: true keepAlive: true maxPoolPreparedStatementPerConnectionSize: 50 connectionProperties: druid.stat.mergeSql: true druid.stat.slowSqlMillis: 5000

启动类加上注解@ImportResource( locations = {"classpath:druid-bean.xml"} )

整合mybatis-plus

pom

<!--mybatis-plus--> <dependency>  <groupId>com.baomidou</groupId>  <artifactId>spring-wind</artifactId>  <version>1.1.5</version>  <exclusions>  <exclusion>   <groupId>com.baomidou</groupId>   <artifactId>mybatis-plus</artifactId>  </exclusion>  </exclusions> </dependency> <dependency>  <groupId>com.baomidou</groupId>  <version>3.1.2</version>  <artifactId>mybatis-plus-boot-starter</artifactId> </dependency> <dependency>  <groupId>mysql</groupId>  <artifactId>mysql-connector-java</artifactId>  <version>5.1.44</version> </dependency>  <!--PageHelper分页插件--> <dependency>  <groupId>com.github.pagehelper</groupId>  <artifactId>pagehelper-spring-boot-starter</artifactId>  <version>1.2.12</version> </dependency>

yml

#mybatismybatis-plus: mapper-locations: classpath:/mapper/*.xml typeAliasesPackage: org.spring.springboot.entity global-config: #主键类型 0:"数据库ID自增", 1:"用户输入ID",2:"全局唯一ID (数字类型唯一ID)", 3:"全局唯一ID UUID"; id-type: 3 #字段策略 0:"忽略判断",1:"非 NULL 判断"),2:"非空判断" field-strategy: 2 #驼峰下划线转换 db-column-underline: true #刷新mapper 调试神器 refresh-mapper: true configuration: map-underscore-to-camel-case: true cache-enabled: false

启动类注解@MapperScan({"com.shbykj.handle.resolve.mapper"})

完整pom

<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.4.1</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.shbykj</groupId> <artifactId>handle</artifactId> <version>0.0.1-SNAPSHOT</version> <name>handle</name> <description>Demo project for Spring Boot</description> <properties> <java.version>1.8</java.version> </properties> <dependencies> <!--注意： <scope>compile</scope> 这里是正式环境，解决启动报错--> <!--idea springboot启动报SLF4J:Failed to load class “org.slf4j.impl.StaticLoggerBinder--> <!--参考：https://blog.csdn.net/u010696630/article/details/84991116--> <dependency>  <groupId>org.slf4j</groupId>  <artifactId>slf4j-simple</artifactId>  <version>1.7.25</version>  <scope>compile</scope> </dependency> <!-- Log4j2 --> <dependency>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-starter-log4j2</artifactId> </dependency> <!--开启日志注解--> <dependency>  <groupId>org.projectlombok</groupId>  <artifactId>lombok</artifactId> </dependency> <!-- 排除 Spring-boot-starter 默认的日志配置 --> <dependency>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-starter</artifactId>  <exclusions>  <exclusion>   <groupId>org.springframework.boot</groupId>   <artifactId>spring-boot-starter-logging</artifactId>  </exclusion>  </exclusions> </dependency> <!--swagger api接口生成--> <dependency>  <groupId>io.springfox</groupId>  <artifactId>springfox-swagger-ui</artifactId>  <version>2.9.2</version> </dependency> <!-- 代码生成器的依赖 --> <dependency>  <groupId>io.springfox</groupId>  <artifactId>springfox-swagger2</artifactId>  <version>2.9.2</version>  <exclusions>  <exclusion>   <groupId>com.google.guava</groupId>   <artifactId>guava</artifactId>  </exclusion>  </exclusions> </dependency> <!--mybatis-plus--> <dependency>  <groupId>com.baomidou</groupId>  <artifactId>spring-wind</artifactId>  <version>1.1.5</version>  <exclusions>  <exclusion>   <groupId>com.baomidou</groupId>   <artifactId>mybatis-plus</artifactId>  </exclusion>  </exclusions> </dependency> <dependency>  <groupId>com.baomidou</groupId>  <version>3.1.2</version>  <artifactId>mybatis-plus-boot-starter</artifactId> </dependency> <dependency>  <groupId>mysql</groupId>  <artifactId>mysql-connector-java</artifactId>  <version>5.1.44</version> </dependency> <dependency>  <groupId>com.alibaba</groupId>  <artifactId>druid-spring-boot-starter</artifactId>  <version>1.1.10</version> </dependency> <!--PageHelper分页插件--> <dependency>  <groupId>com.github.pagehelper</groupId>  <artifactId>pagehelper-spring-boot-starter</artifactId>  <version>1.2.12</version> </dependency> <!--devtools热部署--> <dependency>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-devtools</artifactId>  <optional>true</optional>  <scope>runtime</scope> </dependency> <!--json转换工具--> <dependency>  <groupId>com.google.code.gson</groupId>  <artifactId>gson</artifactId> </dependency> <!-- redis --> <dependency>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-starter-data-redis</artifactId> </dependency> <!--工具类--> <dependency>  <groupId>org.apache.commons</groupId>  <artifactId>commons-lang3</artifactId>  <version>3.8.1</version> </dependency> <!--google--> <!-- https://mvnrepository.com/artifact/com.google.guava/guava --> <dependency>  <groupId>com.google.guava</groupId>  <artifactId>guava</artifactId>  <version>30.0-jre</version> </dependency> <!-- 工具类库 --> <dependency>  <groupId>cn.hutool</groupId>  <artifactId>hutool-core</artifactId>  <version>5.5.0</version> </dependency> <!--lombok--> <dependency>  <groupId>org.projectlombok</groupId>  <artifactId>lombok</artifactId>  <optional>true</optional> </dependency> <dependency>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-starter-test</artifactId>  <scope>test</scope> </dependency> </dependencies> <build> <plugins>  <plugin>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-maven-plugin</artifactId>  </plugin> </plugins> </build></project>

完整yml

server: port: 8082#springspring: devtools: restart: enabled: true main: allow-bean-definition-overriding: true # mysql DATABASE CONFIG datasource: druid: filters: stat,wall,log4j2 continueOnError: true type: com.alibaba.druid.pool.DruidDataSource url: jdbc:mysql://localhost:3306/mqttdb?useSSL=false&useUnicode=true&characterEncoding=utf-8&serverTimezone=UTC&allowPublicKeyRetrieval=true username: root password: 123456 driver-class-name: com.mysql.jdbc.Driver # see https://github.com/alibaba/druid initialSize: 15 minIdle: 10 maxActive: 200 maxWait: 60000 timeBetweenEvictionRunsMillis: 60000 validationQuery: SELECT 1 testWhileIdle: true testOnBorrow: false testOnReturn: false poolPreparedStatements: true keepAlive: true maxPoolPreparedStatementPerConnectionSize: 50 connectionProperties: druid.stat.mergeSql: true druid.stat.slowSqlMillis: 5000shbykj: checkCrc: false#mybatismybatis-plus: mapper-locations: classpath:/mapper/*.xml typeAliasesPackage: org.spring.springboot.entity global-config: #主键类型 0:"数据库ID自增", 1:"用户输入ID",2:"全局唯一ID (数字类型唯一ID)", 3:"全局唯一ID UUID"; id-type: 3 #字段策略 0:"忽略判断",1:"非 NULL 判断"),2:"非空判断" field-strategy: 2 #驼峰下划线转换 db-column-underline: true #刷新mapper 调试神器 refresh-mapper: true configuration: map-underscore-to-camel-case: true cache-enabled: false#logginglogging: config: classpath:log4j2-demo.xml

整合swaggerUi

pom

<!--swagger api接口生成-->  <dependency>  <groupId>io.springfox</groupId>  <artifactId>springfox-swagger-ui</artifactId>  <version>2.9.2</version>  </dependency>  <!--解决报错：swagger:Illegal DefaultValue null for parameter type integer. java.lang.NumberFormatException: For input string: "".-->  <!--1.5.21的AbstractSerializableParameter.getExample()方法增加了对空字符串的判断-->  <dependency>  <groupId>io.swagger</groupId>  <artifactId>swagger-models</artifactId>  <version>1.5.21</version>  </dependency>  <!-- 代码生成器的依赖 -->  <dependency>  <groupId>io.springfox</groupId>  <artifactId>springfox-swagger2</artifactId>  <version>2.9.2</version>  <exclusions>   <exclusion>   <groupId>com.google.guava</groupId>   <artifactId>guava</artifactId>   </exclusion>  </exclusions>  </dependency>

使用

package com.shbykj.handle.web.wx;import com.baomidou.mybatisplus.core.metadata.IPage;import com.shbykj.handle.common.RetMsgData;import com.shbykj.handle.common.State;import com.shbykj.handle.common.model.sys.SysInstrument;import com.shbykj.handle.h.service.ISysInstrumentService;import io.swagger.annotations.Api;import io.swagger.annotations.ApiImplicitParam;import io.swagger.annotations.ApiImplicitParams;import io.swagger.annotations.ApiOperation;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.web.bind.annotation.GetMapping;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestParam;import org.springframework.web.bind.annotation.RestController;/** * 监测点接口 * * @author * @date 2021-01-15 16:49 */@RestController@RequestMapping({"/api/wxapoint"})@Api( tags = {"小程序 监测点接口"})public class CSDevicesController extends BaseController { @Autowired private ISysInstrumentService sysInstrumentService; public CSDevicesController() { } @ApiOperation(  value = "分页查询",  notes = "分页查询站点信息" ) @ApiImplicitParams({@ApiImplicitParam(  name = "number",  value = "设备编号",  paramType = "query",  dataType = "String" ), @ApiImplicitParam(  name = "page",  value = "页码 从1开始",  required = false,  dataType = "long",  paramType = "query" ), @ApiImplicitParam(  name = "size",  value = "页数",  required = false,  dataType = "long",  paramType = "query" )}) @GetMapping({"/pageByNumber"}) public RetMsgData<IPage<SysInstrument>> pageByNumber(@RequestParam(required = false) String number) { RetMsgData msg = new RetMsgData(); try {  IPage<SysInstrument> page1 = this.getPage();  page1 = sysInstrumentService.pageByNumber(number, page1);  msg.setData(page1); } catch (Exception var5) {  msg.setState(State.RET_STATE_SYSTEM_ERROR);  this.logger.error(var5.getMessage()); } return msg; }}

package com.shbykj.handle.common.model.sys;import com.baomidou.mybatisplus.annotation.IdType;import com.baomidou.mybatisplus.annotation.TableField;import com.baomidou.mybatisplus.annotation.TableId;import com.baomidou.mybatisplus.annotation.TableName;import io.swagger.annotations.ApiModel;import io.swagger.annotations.ApiModelProperty;import java.io.Serializable;import java.util.Date;@TableName("instrument")@ApiModel("仪器配置表字段信息")public class SysInstrument implements Serializable { private static final long serialVersionUID = 1L; @TableId( value = "id", type = IdType.AUTO ) @ApiModelProperty( value = "id", name = "id", required = true ) private Long id; @TableField("name") @ApiModelProperty( value = "名称 仪器名称", name = "name" ) private String name; @TableField("number") @ApiModelProperty( value = "编号 仪器编号(PN)", name = "number" ) private String number; @TableField("manufacturer") @ApiModelProperty( value = "生产厂商 生产厂商", name = "manufacturer" ) private String manufacturer; @TableField("gmt_create") @ApiModelProperty( value = "创建时间", name = "gmt_create" ) private Date gmtCreate; @TableField("gmt_modified") @ApiModelProperty( value = "更新时间", name = "gmt_modified" ) private Date gmtModified; @TableField("is_deleted") @ApiModelProperty( value = "表示删除，0 表示未删除 默认0", name = "is_deleted" ) private Integer isDeleted; @TableField("device_type") @ApiModelProperty( value = "设备类型(PT)", name = "device_type" ) private String deviceType; public SysInstrument() { } public Long getId() { return this.id; } public String getName() { return this.name; } public String getNumber() { return this.number; } public String getManufacturer() { return this.manufacturer; } public Date getGmtCreate() { return this.gmtCreate; } public Date getGmtModified() { return this.gmtModified; } public Integer getIsDeleted() { return this.isDeleted; } public String getDeviceType() { return this.deviceType; } public void setId(final Long id) { this.id = id; } public void setName(final String name) { this.name = name; } public void setNumber(final String number) { this.number = number; } public void setManufacturer(final String manufacturer) { this.manufacturer = manufacturer; } public void setGmtCreate(final Date gmtCreate) { this.gmtCreate = gmtCreate; } public void setGmtModified(final Date gmtModified) { this.gmtModified = gmtModified; } public void setIsDeleted(final Integer isDeleted) { this.isDeleted = isDeleted; } public void setDeviceType(final String deviceType) { this.deviceType = deviceType; }  public String toString() { return "SysInstrument(id=" + this.getId() + ", name=" + this.getName() + ", number=" + this.getNumber() + ", manufacturer=" + this.getManufacturer() + ", gmtCreate=" + this.getGmtCreate() + ", gmtModified=" + this.getGmtModified() + ", isDeleted=" + this.getIsDeleted() + ", deviceType=" + this.getDeviceType() + ")"; }}

整合log4j

https://www.jb51.net/article/152599.htm

MQTT 物联网系统基本架构

pom

<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.4.2</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.shbykj</groupId> <artifactId>handle_mqtt</artifactId> <version>0.0.1-SNAPSHOT</version> <name>handle_mqtt</name> <description>Demo project for Spring Boot</description> <properties> <java.version>1.8</java.version> <skipTests>true</skipTests> </properties> <dependencies>  <!--mqtt依赖-->  <dependency>   <groupId>org.springframework.boot</groupId>   <artifactId>spring-boot-starter-integration</artifactId>  </dependency>  <dependency>   <groupId>org.springframework.integration</groupId>   <artifactId>spring-integration-stream</artifactId>  </dependency>  <dependency>   <groupId>org.springframework.integration</groupId>   <artifactId>spring-integration-mqtt</artifactId>  </dependency> <dependency>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-starter-web</artifactId>  <exclusions>  <exclusion>   <groupId>org.springframework.boot</groupId>   <artifactId>spring-boot-starter-logging</artifactId>  </exclusion>  </exclusions> </dependency> <!--注意： <scope>compile</scope> 这里是正式环境，解决启动报错--> <!--idea springboot启动报SLF4J:Failed to load class “org.slf4j.impl.StaticLoggerBinder--> <!--参考：https://blog.csdn.net/u010696630/article/details/84991116--> <dependency>  <groupId>org.slf4j</groupId>  <artifactId>slf4j-simple</artifactId>  <version>1.7.25</version>  <scope>compile</scope> </dependency> <!-- Log4j2 --> <dependency>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-starter-log4j2</artifactId> </dependency> <!-- 排除 Spring-boot-starter 默认的日志配置 --> <dependency>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-starter</artifactId>  <exclusions>  <exclusion>   <groupId>org.springframework.boot</groupId>   <artifactId>spring-boot-starter-logging</artifactId>  </exclusion>  </exclusions> </dependency> <!--swagger api接口生成-->  <dependency>  <groupId>io.springfox</groupId>  <artifactId>springfox-swagger-ui</artifactId>  <version>2.9.2</version>  </dependency>  <!--解决报错：swagger:Illegal DefaultValue null for parameter type integer. java.lang.NumberFormatException: For input string: "".-->  <!--1.5.21的AbstractSerializableParameter.getExample()方法增加了对空字符串的判断-->  <dependency>  <groupId>io.swagger</groupId>  <artifactId>swagger-models</artifactId>  <version>1.5.21</version>  </dependency>  <!-- 代码生成器的依赖 -->  <dependency>  <groupId>io.springfox</groupId>  <artifactId>springfox-swagger2</artifactId>  <version>2.9.2</version>  <exclusions>   <exclusion>   <groupId>com.google.guava</groupId>   <artifactId>guava</artifactId>   </exclusion>  </exclusions>  </dependency> <!--其他工具--> <!--devtools热部署--> <dependency>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-devtools</artifactId>  <optional>true</optional>  <scope>runtime</scope> </dependency> <!--json转换工具--> <dependency>  <groupId>com.google.code.gson</groupId>  <artifactId>gson</artifactId> </dependency> <!-- redis --> <dependency>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-starter-data-redis</artifactId> </dependency> <!--工具类--> <dependency>  <groupId>org.apache.commons</groupId>  <artifactId>commons-lang3</artifactId>  <version>3.8.1</version> </dependency> <!--google--> <!-- https://mvnrepository.com/artifact/com.google.guava/guava --> <dependency>  <groupId>com.google.guava</groupId>  <artifactId>guava</artifactId>  <version>30.0-jre</version> </dependency> <!-- 工具类库 --> <dependency>  <groupId>cn.hutool</groupId>  <artifactId>hutool-core</artifactId>  <version>5.5.0</version> </dependency> <!--lombok--> <dependency>  <groupId>org.projectlombok</groupId>  <artifactId>lombok</artifactId>  <optional>true</optional> </dependency> <!--工具类--> <dependency>  <groupId>commons-collections</groupId>  <artifactId>commons-collections</artifactId>  <version>3.2</version> </dependency> <dependency>  <groupId>com.baomidou</groupId>  <artifactId>spring-wind</artifactId>  <version>1.1.5</version>  <exclusions>  <exclusion>   <groupId>com.baomidou</groupId>   <artifactId>mybatis-plus</artifactId>  </exclusion>  </exclusions> </dependency> <dependency>  <groupId>com.baomidou</groupId>  <version>3.1.2</version>  <artifactId>mybatis-plus-boot-starter</artifactId> </dependency> <dependency>  <groupId>mysql</groupId>  <artifactId>mysql-connector-java</artifactId>  <version>5.1.44</version> </dependency> <dependency>  <groupId>com.alibaba</groupId>  <artifactId>druid-spring-boot-starter</artifactId>  <version>1.1.10</version> </dependency> <!--PageHelper分页插件--> <dependency>  <groupId>com.github.pagehelper</groupId>  <artifactId>pagehelper-spring-boot-starter</artifactId>  <version>1.2.12</version> </dependency> <dependency>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-starter-test</artifactId>  <scope>test</scope> </dependency> </dependencies> <build> <plugins>  <plugin>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-maven-plugin</artifactId>  <executions>   <execution>   <goals>    <goal>repackage</goal>   </goals>   </execution>  </executions>  </plugin> </plugins> </build></project>

yml

server: port: 8082iot: mqtt: clientId: ${random.value} defaultTopic: topic shbykjTopic: shbykj_topic url: tcp://127.0.0.1:1883 username: admin password: admin completionTimeout: 3000#微信小程序相关参数shbykjWeixinAppid: wxae343ca8948f97c4shbykjSecret: 9e168c92702efc06cb12fa22680f049a#springspring: devtools: restart: enabled: true main: allow-bean-definition-overriding: true # mysql DATABASE CONFIG datasource: druid: filters: stat,wall,log4j2 continueOnError: true type: com.alibaba.druid.pool.DruidDataSource url: jdbc:mysql://localhost:3306/mqttdb?useSSL=false&useUnicode=true&characterEncoding=utf-8&serverTimezone=UTC&allowPublicKeyRetrieval=true username: root password: 123456 driver-class-name: com.mysql.jdbc.Driver # see https://github.com/alibaba/druid initialSize: 15 minIdle: 10 maxActive: 200 maxWait: 60000 timeBetweenEvictionRunsMillis: 60000 validationQuery: SELECT 1 testWhileIdle: true testOnBorrow: false testOnReturn: false poolPreparedStatements: true keepAlive: true maxPoolPreparedStatementPerConnectionSize: 50 connectionProperties: druid.stat.mergeSql: true druid.stat.slowSqlMillis: 5000shbykj: checkCrc: false#mybatismybatis-plus: mapper-locations: classpath:/mapper/*.xml typeAliasesPackage: org.spring.springboot.entity global-config: #主键类型 0:"数据库ID自增", 1:"用户输入ID",2:"全局唯一ID (数字类型唯一ID)", 3:"全局唯一ID UUID"; id-type: 3 #字段策略 0:"忽略判断",1:"非 NULL 判断"),2:"非空判断" field-strategy: 2 #驼峰下划线转换 db-column-underline: true #刷新mapper 调试神器 refresh-mapper: true configuration: map-underscore-to-camel-case: true cache-enabled: false #log4j打印sql日志 log-impl: org.apache.ibatis.logging.stdout.StdOutImpl#logginglogging: config: classpath:log4j2-demo.xml

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