|  |  | 
 |  |  |  | 
 |  |  | import lombok.extern.slf4j.Slf4j; | 
 |  |  | import org.eclipse.paho.client.mqttv3.MqttClient; | 
 |  |  | import org.springframework.beans.factory.annotation.Value; | 
 |  |  | import org.springframework.web.bind.annotation.GetMapping; | 
 |  |  | import org.springframework.web.bind.annotation.PathVariable; | 
 |  |  | import org.springframework.web.bind.annotation.RequestMapping; | 
 |  |  | 
 |  |  | @RestController | 
 |  |  | @RequestMapping(path = "mqtt") | 
 |  |  | public class TestController { | 
 |  |  |  | 
 |  |  |     @Value("${mqtt.broker}") | 
 |  |  |     private String broker; | 
 |  |  |  | 
 |  |  |     @Value("${mqtt.username}") | 
 |  |  |     private String username; | 
 |  |  |  | 
 |  |  |     @Value("${mqtt.password}") | 
 |  |  |     private String password; | 
 |  |  |  | 
 |  |  |     @Value("${mqtt.topic}") | 
 |  |  |     private String topic; | 
 |  |  |  | 
 |  |  |     @Value("${mqtt.qos}") | 
 |  |  |     private Integer qos; | 
 |  |  |  | 
 |  |  |     @GetMapping("/mqtt/{msg}") | 
 |  |  |     public String testSendMqttMsg(@PathVariable("msg") String msg){ | 
 |  |  |         log.info("消息内容:{}.", msg); | 
 |  |  |  | 
 |  |  |         MqttClient mqttClient = MqttClientConnectorPool.connectMQTT(); | 
 |  |  |         MqttClient mqttClient = MqttClientConnectorPool.connectMQTT(broker, username, password); | 
 |  |  |         MqttMsgSender sender = new MqttMsgSender(); | 
 |  |  |  | 
 |  |  |         String content = "{" + " \"deviceNo\": \"" + msg + "\"," + " \"val\": 232.5" + "}"; | 
 |  |  |  | 
 |  |  |         String topic = "workOrder"; | 
 |  |  |         int qos = 1; | 
 |  |  |         String content = "{" + " \"message\": \"" + msg + "\"," + " \"val\": 100.00" + "}"; | 
 |  |  |  | 
 |  |  |         if (null != mqttClient){ | 
 |  |  |             sender.sendMessage(mqttClient, topic, content, qos); | 
 |  |  | 
 |  |  |         } | 
 |  |  |         return "成功!"; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     @GetMapping("/receive") | 
 |  |  |     public String receiveMsg() { | 
 |  |  |         MqttMsgSubscriber subscriber = new MqttMsgSubscriber(); | 
 |  |  |         subscriber.readSubscribeTopicMessage(); | 
 |  |  |         return "success"; | 
 |  |  |     } | 
 |  |  | } |