自习室优化ok

lib/request/dto/common/version_dto.dart

@@ -0,0 +1,47 @@
+class VersionDto {
+  VersionDto({
+    required this.latestVersion,
+    required this.updatedAt,
+    required this.downloadUrl,
+    required this.updateContent,
+    required this.createdAt,
+    required this.lowVersion,
+    required this.id,
+    required this.downloadSize,
+    required this.platform,
+  });
+
+  String latestVersion;
+  DateTime updatedAt;
+  String downloadUrl;
+  List<String> updateContent;
+  DateTime createdAt;
+  String lowVersion;
+  int id;
+  String downloadSize;
+  int platform;
+
+  factory VersionDto.fromJson(Map<dynamic, dynamic> json) => VersionDto(
+    latestVersion: json["latest_version"],
+    updatedAt: DateTime.parse(json["updated_at"]),
+    downloadUrl: json["download_url"],
+    updateContent: List<String>.from(json["update_content"].map((x) => x)),
+    createdAt: DateTime.parse(json["created_at"]),
+    lowVersion: json["low_version"],
+    id: json["id"],
+    downloadSize: json["download_size"],
+    platform: json["platform"],
+  );
+
+  Map<dynamic, dynamic> toJson() => {
+    "latest_version": latestVersion,
+    "updated_at": updatedAt.toIso8601String(),
+    "download_url": downloadUrl,
+    "update_content": List<dynamic>.from(updateContent.map((x) => x)),
+    "created_at": createdAt.toIso8601String(),
+    "low_version": lowVersion,
+    "id": id,
+    "download_size": downloadSize,
+    "platform": platform,
+  };
+}