update

lib/appfx.dart

@@ -1,6 +1,7 @@
 library appfx;
 
 export 'util/tools.dart';
+export 'util/fileUtil.dart';
 export 'util/logger.dart';
 
 export 'store/dbMgrBase.dart';

lib/util/fileUtil.dart

@@ -0,0 +1,82 @@
+
+import 'dart:io';
+import 'package:path/path.dart' as path;
+import 'logger.dart';
+
+
+
+String fileOrDirectoryName(FileSystemEntity directory) {
+  return lastNameOfPath(directory.path);
+}
+
+String lastNameOfPath(path) {
+  final paths = path.split(Platform.pathSeparator);
+  return paths.last;
+}
+
+bool isDirectory(path) {
+  return FileSystemEntity.isDirectorySync(path);
+}
+
+Future<bool> isDirectoryExists(path) {
+  return Directory(path).exists();
+}
+
+Future<bool> isFileExists(path) {
+  return File(path).exists();
+}
+
+bool isFile(path) {
+  return FileSystemEntity.isFileSync(path);
+}
+
+
+
+createFolder(String folderPath) async {
+  // 创建文件夹
+  final Directory folder = Directory(folderPath);
+  // 如果文件夹不存在，则创建
+  if (!await folder.exists()) {
+    await folder.create();
+  } else {
+    Log.d("Folder already exists");
+  }
+}
+
+copyDirectory(Directory source, Directory destination) async {
+  await for (var entity in source.list(recursive: false)) {
+    if (entity is Directory) {
+      var newDirectory = Directory(
+          path.join(destination.absolute.path, path.basename(entity.path)));
+      await newDirectory.create();
+      await copyDirectory(entity.absolute, newDirectory);
+    } else if (entity is File) {
+      await entity.copy(
+          path.join(destination.path, path.basename(entity.path)));
+    }
+  }
+}
+
+clearDirectory(Directory directory) async {
+  // 列出所有文件和文件夹
+  var files = directory.listSync();
+
+  // 遍历文件和文件夹
+  for (var fileEntity in files) {
+    if (fileEntity is File) {
+      // 文件直接删除
+      await fileEntity.delete();
+    } else if (fileEntity is Directory) {
+      // 文件夹则递归删除
+      await clearDirectory(fileEntity);
+      await fileEntity.delete();
+    }
+  }
+}
+
+deleteDirectory(String path) async {
+  final directory = Directory(path);
+  await directory.delete(recursive: true);
+}
+
+