fix: 档位信号处理,信号显示界面无法进入问题解决

entry/src/main/ets/pages/compontents/SignalDisplay.ets

@@ -5,7 +5,6 @@ import apiJudgeSdk from 'libJudgeSdk.so'
 import { DifferentialAndSignal } from '../../utils/business/DifferentialAndSignalWorker'
 import { examJudgeMapSetScaling } from '../Judge/JudgeUtils'
 import { dConsole } from '../../utils/LogWorker'
-import { SignDisplayTag } from '../../config'
 
 
 @Component
@@ -24,20 +23,14 @@ export default struct SignalDisplayComponent {
   @State laneSignal: PerLane = InitialPerLane
 
   aboutToAppear(): void {
-    DifferentialAndSignal.onMsg(this.getMsg)
+    DifferentialAndSignal.onMsg((data: string) => {
-  }
+      const result: WorkerBackMessage = JSON.parse(data)
-
+      dConsole.log("wzj", data)
-  getMsg(data: string) {
+      if (result.type === "obtainUdpData") {
-    const result: WorkerBackMessage = JSON.parse(data)
+        this.getSignal(result.data as string)
-    dConsole.log(SignDisplayTag, "wzj", data)
+        this.rawData = result.data as string
-    if (result.type === "obtainUdpData") {
+      }
-      this.getSignal(result.data as string)
+    })
-      this.rawData = result.data as string
-    }
-  }
-
-  aboutToDisappear(): void {
-    DifferentialAndSignal.offMsg(this.getMsg)
   }
 
   getSignal = (msg: string) => {
@@ -46,9 +39,11 @@ export default struct SignalDisplayComponent {
       return
     }
     this.signArr = newArr
+
     for (let i = 0; i <= 12; i++) {
       this.vehicleSignal[i].value = this.signArr[i+2]
     }
+
     this.vehicleSignal[13].value = this.signArr[17]
     this.vehicleSignal[14].value = this.signArr[18]
     this.vehicleSignal[15].value = this.signArr[19]