99 lines
3.6 KiB
Dart
99 lines
3.6 KiB
Dart
import 'package:EasyDartModule/EasyDartModule.dart';
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import 'package:EasyDartModule/base/webserver/WebServer.dart';
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import 'package:intl/intl.dart';
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import 'package:shelf_multipart/shelf_multipart.dart'; // 导入 shelf_multipart 插件
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import '../const/HttpStatusCode.dart';
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import '../const/ResponseJsonCode.dart';
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import '../model/ApiResponse.dart';
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part 'FileUploadController.route.dart';
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@RequestMapping(path: "/file")
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class FileUploadController {
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FileUploadController();
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set callHandler(handler) => _callHandler = handler;
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Map<HttpMethod, List<List>> get routeMap => routes;
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// 上传文件
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@RequestMapping(path: "/upload", method: HttpMethod.POST)
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Future<Response> uploadFile(Request request) async {
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ApiResponse<String> apiResponse = ApiResponse();
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request.formData();
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try {
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// 检查请求的 Content-Type 是否为 multipart/form-data
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var contentType = request.headers['content-type'];
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if (contentType == null ||
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!contentType.startsWith('multipart/form-data')) {
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apiResponse.code = ResponseJsonCode.fail;
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apiResponse.message = "请求格式必须是 multipart/form-data";
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return Response(HttpStatusCode.internalServerError,
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body: apiResponse.serialize());
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}
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if (request.formData() case var form?) {
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String description = "上传成功";
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String bucket = "";
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String? fileExtension; // 文件后缀
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var file;
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await for (final formData in form.formData) {
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if (formData.name == 'bucket') {
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bucket = await formData.part.readString();
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}
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if (formData.name == 'file') {
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final filename = formData.filename;
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if (filename != null && filename.isNotEmpty) {
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fileExtension = filename.split('.').last; // 提取文件后缀
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}
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file = await formData.part.readBytes();
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}
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}
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if (bucket.isEmpty) {
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description = "桶名不能为空";
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}
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if (file == null) {
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description = "文件不能为空";
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}
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final String folderName =
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DateFormat('yyyy-MM-dd').format(DateTime.now());
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String objectName =
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"$folderName/${DateTime.now().millisecondsSinceEpoch}.$fileExtension";
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// 创建存储桶（如果不存在）
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await EasyDartModule.storage.createBucket(bucket);
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// 上传文件
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var path =
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await EasyDartModule.storage.uploadObject(bucket, objectName, file);
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// EasyDartModule.storage.getObject(bucket, objectName).then((data) {
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// print("下载文件");
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// File("b.gif").writeAsBytesSync(data);
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// print("下载完毕");
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// });
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return Response.ok(path);
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} else if (request.multipart() case var multipart?) {
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final description = StringBuffer('Regular multipart request\n');
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await for (final part in multipart.parts) {
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description.writeln('new part');
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part.headers.forEach(
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(key, value) => description.writeln('Header $key=$value'));
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final content = await part.readString();
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description.writeln('content: $content');
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description.writeln('end of part');
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}
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return Response.ok(description.toString());
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} else {
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return Response.ok('Not a multipart request');
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}
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} catch (e) {
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apiResponse.code = ResponseJsonCode.fail;
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apiResponse.message = "文件上传失败: $e";
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return Response(HttpStatusCode.internalServerError,
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body: apiResponse.serialize());
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}
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}
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}
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