From 94d4a4e7600665f6b40b6d791b798b498196191b Mon Sep 17 00:00:00 2001
From: 于紫祥_1901 <email@yuzixiang_1910>
Date: Wed, 23 Dec 2020 13:54:23 +0800
Subject: [PATCH] 公式更改

---
 src/main/java/com/moral/config/WebSocketConfig.java                     |    7 +++++++
 pom.xml                                                                 |    6 ++++++
 src/main/java/com/moral/webSocketServer/ElectronicSWebSocketServer.java |   33 ++++++++++++++++++++++++++++++++-
 3 files changed, 45 insertions(+), 1 deletions(-)

diff --git a/pom.xml b/pom.xml
index b9a283b..d7b41de 100644
--- a/pom.xml
+++ b/pom.xml
@@ -48,6 +48,12 @@
 		<version>2.8.5</version>
 	</dependency>
 
+	<!-- https://mvnrepository.com/artifact/org.apache.commons/commons-jexl3 -->
+	<dependency>
+		<groupId>org.apache.commons</groupId>
+		<artifactId>commons-jexl3</artifactId>
+		<version>3.1</version>
+	</dependency>
 
 	<dependency>
 		<groupId>org.springframework.boot</groupId>
diff --git a/src/main/java/com/moral/config/WebSocketConfig.java b/src/main/java/com/moral/config/WebSocketConfig.java
index 80c4225..5ea4e3d 100644
--- a/src/main/java/com/moral/config/WebSocketConfig.java
+++ b/src/main/java/com/moral/config/WebSocketConfig.java
@@ -3,6 +3,7 @@
 import com.moral.service.AccountService;
 import com.moral.service.DeviceService;
 import com.moral.service.SensorService;
+import com.moral.service.SensorUnitService;
 import com.moral.webSocketServer.*;
 
 import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
@@ -43,5 +44,11 @@
         BSAQIWebSocketServer.sensorService=sensorService;
         ElectronicSWebSocketServer.sensorService=sensorService;
     }
+    @Autowired
+    public void setSensorUnitService( SensorUnitService sensorUnitService){
+        ElectronicSWebSocketServer.sensorUnitService=sensorUnitService;
+    }
+
+
 
 }
diff --git a/src/main/java/com/moral/webSocketServer/ElectronicSWebSocketServer.java b/src/main/java/com/moral/webSocketServer/ElectronicSWebSocketServer.java
index 75e24cb..31949a5 100644
--- a/src/main/java/com/moral/webSocketServer/ElectronicSWebSocketServer.java
+++ b/src/main/java/com/moral/webSocketServer/ElectronicSWebSocketServer.java
@@ -4,12 +4,17 @@
 import com.moral.entity.Account;
 import com.moral.entity.Device;
 import com.moral.entity.Sensor;
+import com.moral.entity.SensorUnit;
 import com.moral.service.AccountService;
 import com.moral.service.DeviceService;
 import com.moral.service.SensorService;
+import com.moral.service.SensorUnitService;
 import com.moral.util.RabbitMQUtils;
 import com.rabbitmq.client.*;
 import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.jexl3.JexlBuilder;
+import org.apache.commons.jexl3.JexlEngine;
+import org.apache.commons.jexl3.JexlExpression;
 import org.springframework.stereotype.Component;
 import org.springframework.util.ObjectUtils;
 import org.springframework.web.bind.annotation.CrossOrigin;
@@ -20,6 +25,7 @@
 import javax.websocket.server.PathParam;
 import javax.websocket.server.ServerEndpoint;
 import java.io.IOException;
+import java.math.BigDecimal;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.CopyOnWriteArraySet;
@@ -33,6 +39,8 @@
     public static AccountService accountService;
 
     public static SensorService sensorService;
+
+    public static SensorUnitService sensorUnitService;
 
     /**
      * concurrent������������������Set���������������������������������������WebSocket���������
@@ -112,7 +120,30 @@
                                     String value = resultMap.get(Arrays.asList(resultMap.keySet().toArray(new String[resultMap.keySet().size()])).get(i)).toString();
                                    /* String e = Arrays.asList(resultMap.keySet().toArray(new String[resultMap.keySet().size()])).get(i);
                                     resultMap.remove(e);*/
-                                    reMap.put(sensor.getName(), value+sensor.getUnit());
+                                    if (sensor.getUnit().equals("ppm")){
+                                        List<SensorUnit> sensorUnits = sensorUnitService.queryListBySensorId(sensor.getId());
+                                        if (sensorUnits.size()>1){
+                                            String s = sensorUnits.get(1).getRules();
+                                            s = s.replace("{0}",value);
+                                            JexlEngine jexlEngine = new JexlBuilder().create();
+                                            JexlExpression jexlExpression = jexlEngine.createExpression(s);
+                                            Object evaluate = jexlExpression.evaluate(null);
+                                            BigDecimal bg = new BigDecimal(evaluate.toString());
+                                            value = bg.setScale(3, BigDecimal.ROUND_HALF_UP).toString();
+                                            reMap.put(sensor.getName(), value+sensorUnits.get(0).getName());
+                                        }else {
+                                            String s = sensorUnits.get(0).getRules();
+                                            s = s.replace("{0}",value);
+                                            JexlEngine jexlEngine = new JexlBuilder().create();
+                                            JexlExpression jexlExpression = jexlEngine.createExpression(s);
+                                            Object evaluate = jexlExpression.evaluate(null);
+                                            BigDecimal bg = new BigDecimal(evaluate.toString());
+                                            value = bg.setScale(3, BigDecimal.ROUND_HALF_UP).toString();
+                                            reMap.put(sensor.getName(), value+sensorUnits.get(0).getName());
+                                        }
+                                    }else {
+                                        reMap.put(sensor.getName(), value+sensor.getUnit());
+                                    }
                                     break;
                                 }else {
                                     continue;

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