2026-05-20-22-07-46 导出命名与映射视图摘要优化

WebSite/server.ts

@@ -159,6 +159,36 @@ function now() {
   return new Date().toISOString();
 }
 
+function timestampForFilename(date = new Date()) {
+  const parts = new Intl.DateTimeFormat('sv-SE', {
+    timeZone: 'Asia/Shanghai',
+    year: 'numeric',
+    month: '2-digit',
+    day: '2-digit',
+    hour: '2-digit',
+    minute: '2-digit',
+    second: '2-digit',
+    hour12: false,
+  }).formatToParts(date);
+  const value = (type: string) => parts.find((part) => part.type === type)?.value ?? '00';
+  return `${value('year')}-${value('month')}-${value('day')}-${value('hour')}-${value('minute')}-${value('second')}`;
+}
+
+function sanitizeFilenamePart(input: string, fallback: string) {
+  const cleaned = input
+    .trim()
+    .replace(/[\\/:*?"<>|]+/g, '_')
+    .replace(/\s+/g, '_')
+    .replace(/_+/g, '_')
+    .replace(/^_+|_+$/g, '');
+  return cleaned || fallback;
+}
+
+function contentDispositionAttachment(filename: string) {
+  const asciiFallback = filename.replace(/[^\x20-\x7e]/g, '_').replace(/["\\]/g, '_');
+  return `attachment; filename="${asciiFallback}"; filename*=UTF-8''${encodeURIComponent(filename)}`;
+}
+
 function ensureDir(dir: string) {
   fs.mkdirSync(dir, { recursive: true });
 }
@@ -1247,6 +1277,7 @@ function createProjectExportBundle({
   compressed,
   activePose,
   segmentationScope,
+  exportRoot,
 }: {
   project: ProjectRecord;
   files: string[];
@@ -1254,12 +1285,12 @@ function createProjectExportBundle({
   compressed: boolean;
   activePose?: ModelPoseValue;
   segmentationScope: SegmentationExportScope;
+  exportRoot: string;
 }) {
   const entries: Array<{ name: string; data: Buffer; mtime?: number }> = [];
   const needsVolume = targets.includes('dicom') || targets.includes('segmentation');
   const volume = needsVolume ? readDicomHuVolume(files) : null;
   const format = compressed ? 'nii.gz' : 'nii';
-  const exportRoot = `${project.id}-nifti-export`;
 
   if (targets.includes('dicom') && volume) {
     entries.push({
@@ -2488,6 +2519,7 @@ async function startServer() {
 
     try {
       const files = getProjectDicomFiles(project);
+      const exportBase = `${sanitizeFilenamePart(project.name, project.id)}_${timestampForFilename()}`;
       const payload = createProjectExportBundle({
         project: exportProject,
         files,
@@ -2495,14 +2527,15 @@ async function startServer() {
         compressed,
         activePose,
         segmentationScope,
+        exportRoot: exportBase,
       });
-      const filename = `${project.id}-nifti-export.tar.gz`;
+      const filename = `${exportBase}.tar.gz`;
       fs.writeFileSync(path.join(exportDir, filename), payload);
       project.exportedMaskCount += targets.includes('segmentation') ? 1 : 0;
       writeState(state);
 
       res.setHeader('Content-Type', 'application/gzip');
-      res.setHeader('Content-Disposition', `attachment; filename="${filename}"`);
+      res.setHeader('Content-Disposition', contentDispositionAttachment(filename));
       res.send(payload);
     } catch (error) {
       res.status(422).json({ message: error instanceof Error ? error.message : '导出包生成失败' });