/** * Bootstrap any application services. * * @return void */ public function boot() { Blade::directive('datetime', function ($expression) { return "<?php echo explode(' ', trim({$expression}, '()'))[0]; ?>"; }); Blade::directive('filesize', function ($expression) { return "<?php echo '[' . round({$expression} / 1024 / 1024, 2) . 'M]'; ?>"; }); Album::saved(function () { return response()->json('成功上传!'); }); Song::saved(function () { return response()->json('成功上传!'); }); }