Yii2.0多文件上传实例说明

《Yii2.0多文件上传实例说明》要点：
本文介绍了Yii2.0多文件上传实例说明，希望对您有用。如果有疑问，可以联系我们。

PHP应用

 

创建控制器FormController

<?PHP 
namespace frontend\controllers;
use Yii;
use yii\web\Controller;
use frontend\models\Uploadm;
use yii\web\UploadedFile;
class FormController extends Controller{
  public function actionMyfiles(){
      $model=new Uploadm();
      return $this->renderPartial('myfiles',['model'=>$model]);
  }
  public function actionGetfiles(){
    $model = new Uploadm();
    if (Yii::$app->request->isPost) {
      $model->imgFile = UploadedFile::getInstances($model,'imgFile');
      if ($model->upload()) {
        // 文件上传成功
        echo '上传成功';
      }
    }
  }

创建模型Uploadm.PHP

<?PHP
namespace frontend\models;
use Yii;
use yii\base\Model;
use yii\web\UploadedFile;
class Uploadm extends Model
{
  public $imgFile;
  public function rules(){
    return [
       [['imgFile'],'file','maxFiles' => 5],//最多5张
    ];
  }
  public function upload()
  {
   if ($this->validate()) { 
     foreach ($this->imgFile as $file) {
       $file->saveAs('uploads/' . $file->baseName . '.' . $file->extension);
     }
     return true;
   } else {
     return false;
   }
  }
} 

创建视图/views/form/myfiles.PHP

<?PHP
use yii\helpers\Html;
use yii\widgets\ActiveForm;
$form = ActiveForm::begin([
  'id' => 'login-form','options' => ['class' => 'form-horizontal','enctype' => 'multipart/form-data'],'action'=>'?r=form/getfiles','method'=>'post'
]) ?>
  <?= $form->field($model,'imgFile[]')->fileInput(['multiple' => true]) ?>
  <div class="form-group">
    <div class="col-lg-offset-1 col-lg-11">
      <?= Html::submitButton('上传',['class' => 'btn btn-primary']) ?>
    </div>
  </div>
<?PHP ActiveForm::end() ?>

以上所述是小编给大家介绍的Yii2.0多文件上传实例说明,希望对大家有所帮助,如果大家有任何疑问欢迎给我留言,小编会及时回复大家的,在此也非常感谢大家对编程之家网站的支持!