本人搜索了很多关于yii2利用自带UploadedFile实现上传图片介绍,下面我来记录一下。
创建一个 models/UploadForm.php:
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namespace app\models;
use yii\base\Model;
use yii\web\UploadedFile;
/**
* UploadForm is the model behind the upload form.
*/
class UploadForm extends Model
{
/**
* @var UploadedFile file attribute
*/
public $file ;
/**
* @return array the validation rules.
*/
public function rules()
{
return [
[[ 'file' ], ‘file'],
];
}
}
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视图文件
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<?php
use yii\widgets\ActiveForm;
?>
<?php $form = ActiveForm::begin([‘options ' => [' enctype ' => ' multipart/form-data']]) ?>
<?= $form ->field( $model , ‘file')->fileInput() ?>
<button>Submit</button>
<?php ActiveForm:: end () ?>
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控制器
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use app\models\UploadForm;
use yii\web\UploadedFile;
public function actionUpload()
{
$model = new UploadForm();
if (Yii:: $app ->request->isPost) {
$model ->file = UploadedFile::getInstance( $model , ‘file');
if ( $model ->file && $model ->validate()) {
$model ->file->saveAs(‘uploads/ ' . $model->file->baseName . ‘.' . $model ->file->extension);
}
}
return $this ->render(‘upload ', [' model' => $model ]);
}
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以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:http://www.yiichina.com/code/448