创建控制器FormController

<?php 
namespace frontendcontrollers;
use Yii;
use yiiwebController;
use frontendmodelsUploadm;
use yiiwebUploadedFile;
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 frontendmodels;
use Yii;
use yiiaseModel;
use yiiwebUploadedFile;
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 yiihelpersHtml;
use yiiwidgetsActiveForm;
$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网页设计网站的支持！