Cache:文件缓存还提高性能,但只缓存文件的meta-data,不缓存文件的内容,Cache模块作为一个独立的模块利用Decorator Pattern,把一个CacheInterface和AdapterInterface装入进CacheAdapterInterface中,所以也可以拆解不使用该模块。Decorator Pattern也是Laravel中实现Middleware的一个重要技术手段,以后应该还会聊到这个技术。 Plugin...
get 方法负责将从数据库中获取的原始数据转换成对应的类型,而 set 方法则是将数据转换成对应的数据库类型以便存入数据库中。举个例子,下面我们将内置的 json 类型转换以自定义类型转换的形式重新实现一遍: <?phpnamespace App\Casts;use Illuminate\Contracts\Database\Eloquent\CastsAttributes;class Json implements C...
分别看一看几个现有框架如何设计数据库事务嵌套操作: 1) LaravelLaravel与事务相关操作封装在 Illuminate\Database\Concerns\ManagesTransactions当中。 2) Yii2 Yii2的事务操作也是有一个单独文件进行封装,yii\db\Transaction。 3) Thinkphp5 Thinkphp5的事务操作并没有独立分开,直接在数据库连接类当中think\db\Connect...
如果中间件中没有设置参数,就会取到用户传递过来的参数 public function handle(Request $request, \Closure $next){// $request->attributes->set('name', 'Tom');return $next($request);} 如果用于安全性较高的场景,有点不适用 {"data": {"name:input": "Jack","name:get": "Jack"},"msg": "su...
After the session cookie is received, the application will retrieve the session data based on the session ID, note that the authentication information has been stored in the session, and will consider the user as "authenticated".When a remote service needs to authenticate to access an API, ...
If your application is not using Eloquent, you may use the database authentication provider which uses the Laravel query builder. If your application is using MongoDB, check out MongoDB's official Laravel user authentication documentation .
('Could not encrypt the data.');}$mac = $this->hash($iv = base64_encode($iv), $value);$json = json_encode(compact('iv', 'value', 'mac'), JSON_UNESCAPED_SLASHES);if (json_last_error() !== JSON_ERROR_NONE) {throw new EncryptException('Could not encrypt the data.');}...
PDF::loadHTML($html)->setPaper('a4', 'landscape')->setWarnings(false)->save('myfile.pdf') 生成图片 $pdf = SnappyImage::loadView('pdf.invoice', $data);return $pdf->download('invoice.image'); 6、解决中英文乱码问题 (linux) 可以将例如:宋体或其他中文字体添加到/usr/share/fonts/里 ...
1. Database Migration Schema::table('table',function(Blueprint$table) {$table->json('field_name')->nullable()->after('some_field'); }); 2. Model Setup To set up your model, you must: Add a custom castAsLaravelEnumCollection::classwith the enum class as an attribute. ...
(14,'141414')]), Form::treeData(12,'leaf 1-1-2') ])->col(Form::col(12)->xs(12)); //创建form $form = Form::create('/save.php',[ $input,$dateRange,$cityArea,$checkbox,$tree ]); $html = $form->formRow(Form::row(10))->setMethod('get')->setTitle('编辑商品')->...