first()方法直接从第一个匹配的元素中返回单个项目的集合对象。如果有两个名为Arda的用户,则只会捕获第一个并将其设置为$user变量。 如果要在where子句中使用OR语句,可以使用以下代码: $user=DB::table('users') ->where('name','Arda') ->orWhere('name','Ibrahim') ->first();var_dump($user->name...
集合通过Illuminate\Support\Collection进行实例,Laravel的内核大部分的参数传递都用到了集合,但这并不代表集合就是好的。Laravel作为快捷并优雅的开发框架,是有他一定的道理所在的,并非因他的路由、DB、监听器等等。当你需要处理一组数组时,你可能就需要它帮助你快捷的解决实际问题。 创建集合 代码语言:javascript 代码...
class Post extends Model { public function user() { return $this->belongsTo(User::class); } public function scopePublishedByActiveUser($query, $userId) { return $query->whereHas('user', function ($query) use ($userId) { $query->active()->where('id', $userId); }); } } ...
36 * 37 * @return \Illuminate\Database\Eloquent\Builder 38 */ 39 public function scopePopular($query) 40 { 41 return $query->where('votes', '>', 100); 42 } 43 44 /** 45 * 限制查询只包括活跃的用户。 46
PUT /oauth/clients/{client-id}This route is used to update clients. It requires two pieces of data: the client's name and a redirect URL. The redirect URL is where the user will be redirected after approving or denying a request for authorization. The route will return the updated client...
Once your models have been indexed, its a breeze to perform full-text searches across all of your models. You may even paginate your search results:1return Order::search('Star Trek')->get(); 2 3return Order::search('Star Trek')->where('user_id', 1)->paginate();...
不要把 JS 和 CSS 代码放到 Blade 模板里面,不要在 PHP 类中写 HTML 代码 使用配置、语言文件、常量而不是在代码中写死 使用社区接受的标准 Laravel 工具 遵循Laravel 命名约定 使用更短的、可读性更好的语法 使用IoC 容器或门面而不是创建新类
指向web 路由文件中定义的 POST、PUT 或 DELETE 路由的任何 HTML 表都应该包含一个 CSRF 令牌字段,否则,这个请求将会被拒绝。 @csrf //或 {{ csrf_field() }} {{ method_field(方法名)}} 1. 2. 3. 取消csrf保护:app/Http/Middleware/Verify
inspiring me for at least 7 years now. He is one of the main reasons I chose Laravel and Vue. He has an incredibly effective method of teaching and explains complex concepts in a concise and easily accessible way. It's not an exaggeration to say I wouldn't be where I am without him...
nav-legacy to get a legacy v2 nav style. classes_topnav Extra classes for the top navigation bar. Classes will be added to element nav.main-header.navbar. There are some built-in classes you can use here to customize the topnav theme: navbar-<color> Where <color> is an AdminLTE av...