slake-school-service/app/Http/Controllers/Admin/UploadController.php

<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Models\CourseMedia;
use App\Support\ApiResponse;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class UploadController extends Controller
{
    use ApiResponse;

    /** 课程封面 / 宣传页等图片上传，存 public 盘并写入 course_media */
    public function courseAsset(Request $request): JsonResponse
    {
        $data = $request->validate([
            'file' => ['required', 'file', 'image', 'max:5120'],
            'subdir' => ['required', 'string', 'in:covers,promos'],
        ]);

        $uploaded = $request->file('file');
        $path = $uploaded->store("courses/{$data['subdir']}", 'public');
        $url = CourseMedia::publicAssetUrl($path) ?? '';

        $media = CourseMedia::query()->create([
            'disk' => 'public',
            'path' => $path,
            'url' => $url,
            'category' => $data['subdir'],
            'original_name' => $uploaded->getClientOriginalName(),
            'mime_type' => $uploaded->getClientMimeType(),
            'size_bytes' => $uploaded->getSize() ?: null,
        ]);

        return $this->ok($media->toApiArray(), '已上传');
    }

    /** 资讯封面图上传，存 public 盘并返回 URL */
    public function newsCover(Request $request): JsonResponse
    {
        $data = $request->validate([
            'file' => ['required', 'file', 'image', 'max:5120'],
        ]);

        $uploaded = $request->file('file');
        $path = $uploaded->store('news/covers', 'public');
        $url = CourseMedia::publicAssetUrl($path) ?? '';

        return $this->ok(['url' => $url], '已上传');
    }

    /** Banner 自定义封面图上传 */
    public function bannerCover(Request $request): JsonResponse
    {
        $data = $request->validate([
            'file' => ['required', 'file', 'image', 'max:5120'],
        ]);

        $uploaded = $request->file('file');
        $path = $uploaded->store('banners/covers', 'public');
        $url = CourseMedia::publicAssetUrl($path) ?? '';

        return $this->ok(['url' => $url], '已上传');
    }

    /** 富文本编辑器内嵌图片上传 */
    public function editorImage(Request $request): JsonResponse
    {
        $data = $request->validate([
            'file' => ['required', 'file', 'image', 'max:5120'],
            'scope' => ['nullable', 'string', 'in:courses,activities,news,banners,common'],
        ]);

        $scope = $data['scope'] ?? 'common';
        $uploaded = $request->file('file');
        $path = $uploaded->store("editor/{$scope}", 'public');
        $url = CourseMedia::publicAssetUrl($path) ?? '';

        return $this->ok(['url' => $url], '已上传');
    }
}