这是一个简单的图片保存功能，其中包括原图片和压缩图片两种，目录结构是/images/year/month/xxx.png和/images/thumbnail/year/month/xxx.png；具体上传结果如下图所示：

upload_icon.png

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Storage;
use Intervention\Image\ImageManagerStatic as Image;

public function uploadImage(Request $request)
{
    $inputData = $request->all();

    if ($request->hasFile('file')) {
        try {
            $year = date("Y");
            $month = "/images/$year/" . date("m");
            $directory = Storage::exists($month);
            if (!$directory) {
                Storage::makeDirectory($month);
            }
            $apath = "/images/thumbnail/$year/" . date("m");
            $thumbnail = Storage::exists($apath);
            if (!$thumbnail) {
                Storage::makeDirectory($apath);
            }
            $carid = strtoupper(md5(uniqid(mt_rand(), true)));
            $uuid = substr($carid, 0, 8) . substr($carid, 8, 4) . substr($carid, 12, 4) . substr($carid, 16, 4) . substr($carid, 20, 12);
            $file = $request->file('file');
            $extension = strtolower($file->getClientOriginalExtension());
            $photo = $inputData['file'];
            $file_name = $uuid . "." . $extension;
            $file_relative_path = 'storage/' . $month;
            $file_path = public_path($file_relative_path);
            if (!is_dir($file_path)) {
                mkdir($file_path);
            }
            $relative_path = 'storage/' . $apath;
            $thumbnail_path = public_path($relative_path);
            $thumbnail_file_path = $thumbnail_path . '/' . $file_name;
            $image = Image::make($photo)->resize(150, 150, function ($constraint) {
                $constraint->aspectRatio();
            })->save($thumbnail_file_path);
            $file_path .= '/' . $file_name;
            $image = Image::make($photo)->save($file_path);
            $path = $month . "/" . $file_name;
            if ($path) {
                return ['success' => true, 'path' => $path];
            } else {
                return ['errors' => ['file' => 'uploaderror']];
            }
        } catch (\Exception $e) {
            Log::error($e);
            return ['errors' => ['file' => $e->getMessage()]];
        }
    } else {
        return ['success' => false];
    }
 }