fix: 更新 EntryAbility、SignDisplayCom 和 DrivingDataStorage 组件中的代码逻辑和类型声明，提升代码一致性

entry/src/main/ets/entryability/EntryAbility.ets

@@ -5,7 +5,6 @@ import { GlobalConfig } from '../config/global';
 import Want from '@ohos.app.ability.Want';
 import AbilityConstant from '@ohos.app.ability.AbilityConstant';
 import { BaseInfoType, CarInfoType, EnvironmentConfigurationType, ExaminerInfoType } from '../model';
-import { tcpUtil } from '../utils/TcpRequest';
 import DB from '../utils/DbSql';
 import { DrivingDataStorage } from '../utils/business/DrivingDataStorage';
 import { InitTable } from '../utils/table/Operation';
@@ -42,7 +41,6 @@ export default class EntryAbility extends UIAbility {
   async onWindowStageCreate(windowStage: window.WindowStage) {
     // Main window is created, set main page for this ability
     hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onWindowStageCreate');
-    await tcpUtil.init()
 
     AppStorage.setOrCreate<CarInfoType>('carInfo', {})
     AppStorage.setOrCreate<ExaminerInfoType>('examinerInfo', {})

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

@@ -2,7 +2,7 @@ import router from '@ohos.router';
 import RealTime from '../compontents/judge/RealTime';
 import { GPSData, SignalData } from '../../mock';
 import { SignalDataType } from '../../model';
-import { ObtainSignalData } from '../../utils/business/ObtainSignalData';
+import { ObtainUdpBusinessInstance } from '../../utils/business/ObtainUdpBusiness';
 
 @Component
 export default struct SignDisplayCom {
@@ -327,16 +327,14 @@ export default struct SignDisplayCom {
     // const data = await fileUtil.readFile(GlobalConfig.comoonfileWriteAddress + '/config/ipConfig.txt')
     // this.udplocalIp=JSON.parse(data)?.udplocalIp||'192.168.7.170'
     this.ratio = this.ratio * (this.scaleNum || 1);
-    const that = this
-    const { showBack, getSignal } = this
 
 
-    if (showBack) {
+    if (this.showBack) {
       this.ratio = 1.4
-      ObtainSignalData.getData((msg)=>{
-          if (msg) {
-            getSignal(msg)
-          }
+      ObtainUdpBusinessInstance.onMsg((msg) => {
+        if (msg) {
+          this.getSignal(msg)
+        }
       })
 
     } else {
@@ -344,7 +342,7 @@ export default struct SignDisplayCom {
       this.signalTimer = setInterval(() => {
         const msgStr = AppStorage.get<string>('msgStr')
         if (msgStr) {
-          getSignal(msgStr)
+          this.getSignal(msgStr)
 
         }
       }, 200)
@@ -353,10 +351,9 @@ export default struct SignDisplayCom {
 
   onPageShow() {
     const getSignal = this.getSignal;
-    const that = this
     const showBack = this.showBack;
     if (showBack) {
-      ObtainSignalData.getData((msg)=>{
+      ObtainUdpBusinessInstance.onMsg((msg) => {
         if (msg) {
           getSignal(msg)
         }

entry/src/main/ets/utils/business/DrivingDataStorage.ets

@@ -3,26 +3,26 @@ import dayTs from '../Date';
 import FileUtils from '../FileUtils';
 
 class drivingDataStorage {
-  public folderPath: string
-  public time: string
-  public totalDistance: number
-  public totalTime: number
-  public date: string
-  public fd: number
-  private fileUtil: FileUtils
+  public folderPath?: string
+  public time?: string
+  public totalDistance?: number
+  public totalTime?: number
+  public date?: string
+  public fd?: number
+  private fileUtil?: FileUtils
 
   constructor() {
   }
 
   //   初始化文件夹
   async initializeTheDrivingDataFolder() {
-    const folderPath = await this.fileUtil.initFolder(`/车辆行驶距离统计`);
+    const folderPath = await this.fileUtil!.initFolder(`/车辆行驶距离统计`);
     this.time = dayTs().format("HH:mm:ss")
     this.date = dayTs().format("YYYY_MM_DD")
     this.folderPath = folderPath;
     this.totalDistance = 0;
     this.totalTime = 0;
-    this.fd = await this.fileUtil.editFile(
+    this.fd = await this.fileUtil!.editFile(
       `${folderPath}/${this.date}.txt`,
       `程序启动时间：${this.time} 累计行驶距离:${this.totalDistance}m 累计运行时常:${this.totalTime}min`)
     return folderPath
@@ -30,12 +30,13 @@ class drivingDataStorage {
 
   // 设置行驶过程数据
   async setDrivingProcessData(str: number) {
-    const content = await this.fileUtil.readFile(`${this.folderPath}/${this.date}.txt`) || '';
+    const content = await this.fileUtil!.readFile(`${this.folderPath}/${this.date}.txt`) || '';
     const contentArr = content.split('\n').filter(item => item)
-    this.totalDistance += (str * 1 > 200 ? 200 : str * 1)
+    this.totalDistance = (this.totalDistance || 0) + (str * 1 > 200 ? 200 : str * 1);
     this.totalTime += 1;
     contentArr[contentArr.length - 1] =
-      `程序启动时间：${this.time} 累计行驶距离:${(this.totalDistance).toFixed(2)}m 累计运行时常:${Math.ceil(this.totalTime /
+      `程序启动时间：${this.time} 累计行驶距离:${(this.totalDistance ||
+        0).toFixed(2)}m 累计运行时常:${Math.ceil(this.totalTime /
         60)}min` + '\n'
   }