H5的实际打包版本，调整为从package.json中读取和解析

lib/services/local_server_service.dart

+import 'dart:convert';
 import 'dart:io';
 import 'dart:io';
 
 
 import 'package:appframe/config/constant.dart';
 import 'package:appframe/config/constant.dart';
@@ -162,9 +163,12 @@ class LocalServerService {
     var version = getIt.get<SharedPreferences>().getString(Constant.h5VersionKey) ?? Constant.h5Version;
     var version = getIt.get<SharedPreferences>().getString(Constant.h5VersionKey) ?? Constant.h5Version;
     var dir = await getApplicationSupportDirectory();
     var dir = await getApplicationSupportDirectory();
     var distFilePath = '${dir.path}/${Constant.h5DistDir}/$version.zip';
     var distFilePath = '${dir.path}/${Constant.h5DistDir}/$version.zip';
-    if (!File(distFilePath).existsSync()) {
+    if (!await File(distFilePath).exists()) {
+      distFilePath = 'assets/$version.zip';
+      if (!await File(distFilePath).exists()) {
         distFilePath = 'assets/dist.zip';
         distFilePath = 'assets/dist.zip';
       }
       }
+    }
     // 解压
     // 解压
     await ZipUtil.extractZipFile(distFilePath, outputDirectory);
     await ZipUtil.extractZipFile(distFilePath, outputDirectory);
     // 用于显示的版本号
     // 用于显示的版本号
@@ -173,10 +177,11 @@ class LocalServerService {
 
 
   // 读取和设置用于显示的版本号
   // 读取和设置用于显示的版本号
   Future<void> _getAndSetShowVersion(String outputDirectory) async {
   Future<void> _getAndSetShowVersion(String outputDirectory) async {
-    var versionFile = File('$outputDirectory/version.txt');
+    var versionFile = File('$outputDirectory/package.json');
     if (await versionFile.exists()) {
     if (await versionFile.exists()) {
       var content = (await versionFile.readAsString()).trim();
       var content = (await versionFile.readAsString()).trim();
-      getIt.get<SharedPreferences>().setString(Constant.h5ShowVersionKey, content);
+      var json = jsonDecode(content);
+      getIt.get<SharedPreferences>().setString(Constant.h5ShowVersionKey, json['version'] ?? 'undefined');
     } else {
     } else {
       getIt.get<SharedPreferences>().setString(Constant.h5ShowVersionKey, 'undefined');
       getIt.get<SharedPreferences>().setString(Constant.h5ShowVersionKey, 'undefined');
     }
     }