laravel-4

问题 I'm trying to figure out how to select the last 5 rows of a table to display on a home screen when there might be gaps in the ids. The database this is for has 1,000s of rows and I don't want to have to call all of them to take the last 5 every time I go to my app's home screen. The problem is that rows sometimes are deleted in the database for various reasons so, for example, if the last row's id is 4023 the second to last row's id might be 4020, so I can't just use the length and count

问题 I want to use Mobile Detect on m routes.php file. I have added the package as a require in composer.json and it's installed in the vendor file. How can I use it now? I tried this answer and no luck because the class wasn't found: Laravel 4 using vendor classes { "name": "laravel/laravel", "description": "The Laravel Framework.", "keywords": ["framework", "laravel"], "license": "MIT", "require": { "laravel/framework": "4.2.*", "mobiledetect/mobiledetectlib": "*" }, "autoload": { "classmap": [

问题 Hi guys I've created a test user on my laravel app. The details are user: joe@gmail.com pass: 123456 When I go through the registration process everything works as expected and an entry is made into the users table of the database Once this is finished I redirect the user to the dashboard. public function postCreate(){ //Rules $rules = array( 'fname'=>'required|alpha|min:2', 'lname'=>'required|alpha|min:2', 'email'=>'required|email|unique:users', 'password'=>'required|alpha_num|between:6,12

问题 How to enable Less compiling with basset? My basset config file collection: 'collections' => array( 'application' => function($collection) { $collection->apply('UriRewriteFilter'); $directory = $collection->directory('../app/assets/stylesheets', function($collection) { $collection->add('less/design.less')->apply('Less'); }); $directory->apply('CssMin'); } ); Everything else in config is untouched. In the source code i get this: <link rel="stylesheet" type="text/css" href="http://localhost/Job

问题 when trying to extract some values from the database using the model object User I get the following error : BadMethodCallException Method [find] does not exist Here are my files : Model User <?php use Illuminate\Auth\UserInterface; use Illuminate\Auth\Reminders\RemindableInterface; class User extends Eloquent implements UserInterface, RemindableInterface { /** * The database table used by the model. * * @var string */ protected $table = 'users'; /** * The attributes excluded from the model's

问题 I need to built URLs like this: http://www.example.com/param1/param2/param3/.../paramN in a search page, user searchs by any possible options so making a URL like it in Laravel would be like this: Route::get('{param1?}/{param2?}/{param3?}/.../{paramN?}', array( ... ) ); Is there any other way? Or maybe pass / as a part of parameter to have this: low_range-1000/high_range-5000/weight-2/height-4/red/ so above line become just one parameter to route. any help? 回答1: well, I found the solution.

问题 I created an appends attribute in Laravel Model, from the code below. protected $appends = array('total'=>''); And I set the returned value. public function getTotalAttribute(){ return ProductPart::where('product_id',$this->id)->count(); } Then I want to order records from database by using total attribute I tried to use Product::orderBy('total','desc')->get() but it didn't work. Does anybody has some suggestions to this? 回答1: the orderBy takes an actual database field not an appended one try

问题 How would you write a self join in eloquent? Would I need to define the relationship on the model? Here's my statement: SELECT t2.title FROM products t1, products t2 WHERE t1.id = $id AND t2.color_id = t1.color_id AND t2.id != $id 回答1: You can simply define a relation to itself. public function parent() { return $this->belongsTo(self::class, 'color_id'); } public function children() { return $this->hasMany(self::class, 'color_id'); } 来源： https://stackoverflow.com/questions/30592793/self-join

问题 Struggling with an issue in Laravel 4, in a "contact" model edit form, I can get all fields current values except those from the multiple select which is to establish a relation with another model "company". It's a many-to-many relationship. I'm getting the list of companies, but none are selected even if a relation exists. Here's my edit form: {{ Form::model($contact, array('route' => array('crm.contacts.update', $contact->id), 'id' => 'edit-contact')) }} <div class="control-group"> {{ Form:

问题 Ok, I am a little confused with the belongsTo relationship for Models. I have a Feeds model that extends Eloguent. I have created a relationship function called User. public function user(){ return $this->belongsTo('User'); // and I also tried return $this->belongsTo('User', 'user_id'); } On the view I am trying to do : @foreach($feeds as $feed) {{$feed->user()->first_name}} {{$feed->user()->last_name}} @endforeach but I am getting this error Undefined property: Illuminate\Database\Eloquent