創建控制器FormController

 ?php namespace frontend/controllers;use Yii;use yii/web/Controller;use frontend/models/Uploadm;use yii/web/UploadedFile;html' target='_blank'>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()) { // 文件上傳成功 echo 上傳成功  }

創建模型Uploadm.php

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

創建視圖/views/form/myfiles.php

 ?phpuse 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]) ?  p >
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