feat: bulk import photos into face gallery

internal/web/ui.go

@@ -663,6 +663,7 @@ func (u *UI) Routes() (chi.Router, error) {
 	r.Get("/diagnostics", u.pageDiagnostics)
 	r.Get("/alarms", u.pageAlarms)
 	r.Get("/face-gallery", u.pageFaceGallery)
+	r.Post("/face-gallery/import", u.actionFaceGalleryImport)
 	r.Post("/face-gallery/add", u.actionFaceGalleryAdd)
 	r.Post("/face-gallery/delete", u.actionFaceGalleryDelete)
 	r.Post("/face-gallery/rename", u.actionFaceGalleryRename)
@@ -4021,3 +4022,43 @@ func (u *UI) actionFaceGalleryRename(w http.ResponseWriter, r *http.Request) {
 	repo.RenamePerson(id, name)
 	http.Redirect(w, r, "/ui/face-gallery", http.StatusFound)
 }
+
+func (u *UI) actionFaceGalleryImport(w http.ResponseWriter, r *http.Request) {
+	if err := r.ParseMultipartForm(100 << 20); err != nil {
+		http.Error(w, "form too large", http.StatusBadRequest)
+		return
+	}
+	datasetDir := filepath.Join("dataset")
+	count := 0
+	for _, files := range r.MultipartForm.File {
+		for _, hdr := range files {
+			// webkitdirectory sends files with relative paths like "person_name/photo.jpg"
+			parts := strings.SplitN(filepath.ToSlash(hdr.Filename), "/", 2)
+			if len(parts) < 2 {
+				continue
+			}
+			personName := strings.TrimSpace(parts[0])
+			fileName := filepath.Base(parts[1])
+			if personName == "" || fileName == "" {
+				continue
+			}
+			personDir := filepath.Join(datasetDir, personName)
+			os.MkdirAll(personDir, 0o755)
+			file, err := hdr.Open()
+			if err != nil {
+				continue
+			}
+			dst := filepath.Join(personDir, fileName)
+			f, err := os.Create(dst)
+			if err != nil {
+				file.Close()
+				continue
+			}
+			io.Copy(f, file)
+			f.Close()
+			file.Close()
+			count++
+		}
+	}
+	http.Redirect(w, r, fmt.Sprintf("/ui/face-gallery?msg=已导入 %d 张照片", count), http.StatusFound)
+}

internal/web/ui/templates/face_gallery.html

@@ -6,6 +6,10 @@
       <div class="form-hint">新增人员需上传照片，系统自动提取人脸特征。修改后需点击"重新生成"。</div>
     </div>
     <div class="actions compact">
+      <form method="post" action="/ui/face-gallery/import" enctype="multipart/form-data" style="display:flex;gap:8px;align-items:center">
+        <input type="file" name="photos" webkitdirectory multiple required style="width:200px">
+        <button class="btn secondary" type="submit">批量导入</button>
+      </form>
       <form method="post" action="/ui/face-gallery/add" enctype="multipart/form-data" style="display:flex;gap:8px;align-items:center">
         <input type="text" name="name" placeholder="姓名" required style="width:100px">
         <input type="file" name="photo" accept="image/*" required style="width:160px">