feat: update unp4k

lib/data/app_unp4k_p4k_item_data.dart

@@ -2,46 +2,25 @@
 /// size : 524288
 /// compressedSize : 169812
 /// isDirectory : false
-/// isFile : true
-/// isEncrypted : false
-/// isUnicodeText : false
-/// dateTime : "2019-12-16T15:11:18"
-/// version : 45
 
 class AppUnp4kP4kItemData {
-  AppUnp4kP4kItemData({
-    this.name,
-    this.size,
-    this.compressedSize,
-    this.isDirectory,
-    this.isFile,
-    this.isEncrypted,
-    this.isUnicodeText,
-    this.dateTime,
-    this.version,
-  });
+  AppUnp4kP4kItemData({this.name, this.size, this.compressedSize, this.isDirectory, this.dateModified});
 
   AppUnp4kP4kItemData.fromJson(dynamic json) {
     name = json['name'];
     size = json['size'];
     compressedSize = json['compressedSize'];
     isDirectory = json['isDirectory'];
-    isFile = json['isFile'];
-    isEncrypted = json['isEncrypted'];
-    isUnicodeText = json['isUnicodeText'];
-    dateTime = json['dateTime'];
-    version = json['version'];
+    dateModified = json['dateModified'];
   }
 
   String? name;
   num? size;
   num? compressedSize;
   bool? isDirectory;
-  bool? isFile;
-  bool? isEncrypted;
-  bool? isUnicodeText;
-  String? dateTime;
-  num? version;
+
+  /// 文件修改时间（毫秒时间戳）
+  int? dateModified;
   List<AppUnp4kP4kItemData> children = [];
 
   Map<String, dynamic> toJson() {
@@ -50,11 +29,7 @@ class AppUnp4kP4kItemData {
     map['size'] = size;
     map['compressedSize'] = compressedSize;
     map['isDirectory'] = isDirectory;
-    map['isFile'] = isFile;
-    map['isEncrypted'] = isEncrypted;
-    map['isUnicodeText'] = isUnicodeText;
-    map['dateTime'] = dateTime;
-    map['version'] = version;
+    map['dateModified'] = dateModified;
     return map;
   }
 }