screen-manage 完成实时界面单位转换功能

kaiyu

2021-07-13 e6463e3aad65706d4540235e30941717532f9f18

screen-manage
                 完成实时界面单位转换功能

 screen-api/src/main/java/com/moral/api/kafka/consumer/SecondDataConsumer.java

@@ -5,6 +5,7 @@
import com.moral.api.entity.Sensor;
import com.moral.api.entity.UnitConversion;
import com.moral.api.websocket.SingleDeviceServer;
import com.moral.util.UnitConvertUtils;
import org.apache.kafka.clients.consumer.Consumer;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.apache.kafka.common.TopicPartition;
@@ -28,10 +29,10 @@
@Component
public class SecondDataConsumer implements ConsumerSeekAware {

    @KafkaListener(topics = "second_data",groupId = "SecondsDataGroup3")
    public void listen(ConsumerRecord<String, String> record , Consumer consumer) throws Exception {
    @KafkaListener(topics = "second_data", groupId = "SecondsDataGroup3")
    public void listen(ConsumerRecord<String, String> record, Consumer consumer) throws Exception {
        String messageStr = record.value();
        Map<String,String> message = (Map<String,String>)JSON.parse(messageStr);
        Map<String, String> message = (Map<String, String>) JSON.parse(messageStr);
        CopyOnWriteArraySet<SingleDeviceServer> sockets = SingleDeviceServer.sockets;
        for (SingleDeviceServer socket : sockets) {
            //判断消息书否数据该socket
@@ -40,7 +41,7 @@
            Map<String, Device> devicesInfo = socket.getDevicesInfo();
            Device device = devicesInfo.get(mac);
            //创建最终消息对象
            Map<String,String> resultMessgae = new HashMap<>();
            Map<String, String> resultMessgae = new HashMap<>();
            //拼接单位
            List<Sensor> sensors = device.getVersion().getSensors();//获取型号所有因子信息
            for (Sensor sensor : sensors) {
@@ -49,22 +50,26 @@
                String unitKey = sensor.getUnitKey();
                //数据补偿
                //单位转换
                if(!unitKey.equals(showUnitKey)){
                if (!unitKey.equals(showUnitKey)) {
                    String formula = sensor.getFormula();
                    if(ObjectUtils.isEmpty(formula)){
                    //如果sensor中的公式为空则从缓存中获取公式
                    if (ObjectUtils.isEmpty(formula)) {
                        List<UnitConversion> unitConversions = socket.getUnitConversions();
                        System.out.println(unitConversions);
                    }else{

                        for (UnitConversion unitConversion : unitConversions) {
                            if (unitConversion.getOriginalUnitKey().equals(unitKey) && unitConversion.getTargetUnitKey().equals(showUnitKey))
                                formula = unitConversion.getFormula();
                        }
                    }
                    //单位转换
                    UnitConvertUtils.calculate(message.get(code),formula);
                }
                //拼接单位
                String showUnit = sensor.getShowUnit();
                String value = message.get(code);
                value+=showUnit;
                resultMessgae.put(sensor.getCode(),value);
                value += showUnit;
                resultMessgae.put(sensor.getCode(), value);
            }
            resultMessgae.put("DataTime",message.get("DataTime"));
            resultMessgae.put("DataTime", message.get("DataTime"));
            socket.sendMessage(JSON.toJSONString(resultMessgae));
        }
    }

 screen-common/src/main/java/com/moral/util/UnitConvertUtils.java

@@ -1,5 +1,7 @@
package com.moral.util;

import org.springframework.util.ObjectUtils;

import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
@@ -28,6 +30,8 @@
            * @Date: 2021/7/5
            */
    public static String calculate(String value, String formula) {
        if(ObjectUtils.isEmpty(formula))
            return value;
        ScriptEngine jse = new ScriptEngineManager().getEngineByName("JavaScript");
        formula = formula.replaceAll("\\{0\\}", value);
        Double result = null;