Пробую вариант загрузки с помощью виджета kartik-v/yii2-widget-fileinput. Виджет установился через composer. Но на странице блога нет строки загрузки "Browse" - чтобы загружать картинки. В чем может быть проблема?
Blog.php
<?php
namespace common\models;
use common\components\behaviors\StatusBehavior;
use Yii;
use yii\behaviors\TimestampBehavior;
use yii\db\ActiveRecord;
use yii\db\Expression;
use yii\web\UploadedFile;
use yii\helpers\Url;
use kartik\widgets\FileInput;
use kartik\widgets\ActiveForm;
use app\models\UploadForm;
use yii\imagine\Image;
use yii\helpers\FileHelper;
use yii\grid\GridView;
/**
* This is the model class for table "blog".
*
* @property integer $id
* @property string $title
* @property string $image
* @property string $text
* @property string $date_create
* @property string $date_update
* @property string $url
* @property integer $status_id
* @property integer $sort
* @package common\models
*/
class Blog extends ActiveRecord {
const STATUS_LIST = ['off','on'];
/* public $tags_array;*/
public $tags_array;
public $file;
/**
* @inheritdoc
*/
public static function tableName()
{
return 'blog';
}
public function behaviors()
{
return [
'timestampBehavior'=>[
'class' => TimestampBehavior::className(),
'createdAtAttribute' => 'date_create',
'updatedAtAttribute' => 'date_update',
'value' => new Expression('NOW()'),
],
'statusBehavior'=> [
'class' => StatusBehavior::className(),
'statusList'=> self::STATUS_LIST,
]
];
}
/**
* @inheritdoc
*/
public function rules()
{
return [
[['title', 'url'], 'required'],
[['text'], 'string'],
[['url'], 'unique'],
[['status_id', 'sort'], 'integer'],
[['sort'], 'integer','max'=>99, 'min'=>1],
[['title', 'url'], 'string', 'max' => 150],
[['image'], 'string', 'max' => 100],
[['image'], 'file', 'extensions'=>'jpg, gif, png'],
[['tags_array','date_create','date_update'],'safe'],
];
}
/**
* @inheritdoc
*/
public function attributeLabels()
{
return [
'id' => 'ID',
'title' => 'Заголовок',
'text' => 'Текст',
'url' => 'ЧПУ',
'status_id' => 'Статус',
'sort' => 'Сортировка',
'date_update' => 'Обновлено',
'date_create' => 'Создано',
'tags_array' => 'Тэги',
'tagsAsString' => 'Тэги',
'image' => 'Картинка',
'file' => 'Картинка',
'author.username'=>'Имя Автора',
'author.email'=>'Почта Автора',
];
}
public function getAuthor () {
return $this->hasOne (User::className(),['id'=>'user_id']);
}
public function getBlogTag () {
return $this->hasMany(BlogTag::className(),['blog_id'=>'id']);
}
public function getTags()
{
return $this->hasMany(Tag::className(),['id'=>'tag_id'])->via('blogTag');
}
public function getTagsAsString()
{
$arr = \yii\helpers\ArrayHelper::map($this->tags,'id','name');
return implode (', ',$arr);
}
public function getSmallImage()
{
if($this->image){
$path = str_replace('admin.','',Url::home(true)).'uploads/images/blog/50x50/'.$this->image;
}else{
$path = str_replace('admin.','', Url::home(true)).'uploads/images/pic.svg';
}
return $path;
}
public function afterFind()
{
parent::afterFind();
$this->tags_array = $this->tags;
}
public function beforeSave ($insert)
{
if ($file = UploadedFile::getInstance($this,'file')) {
$dir = Yii::getAlias('@images').'/blog/';
if (!is_dir($dir . $this->image)) {
if (file_exists($dir.$this->image)){
unlink($dir.$this->image);
}
if (file_exists($dir.'50x50/'.$this->image)) {
unlink($dir.'50x50/'.$this->image);
}
if (file_exists($dir. '800x/'.$this->image)) {
unlink($dir.'800x/'.$this->image);
}
}
$this->image = strtotime ('now').'_'.Yii::$app->getSecurity()->generateRandomString(6) .'.'. $file->extension;
$file ->saveAs($dir.$this->image);
$imag = Yii::$app->image->load($dir.$this->image);
$imag ->background ('#fff',0);
$imag ->resize ('50','50', Yii\image\drivers\Image::INVERSE);
$imag ->crop ('50','50');
$imag ->save($dir.'50x50/'.$this->image, 90);
$imag = Yii::$app->image->load($dir.$this->image);
$imag->background('#fff',0);
$imag->resize('800',null, Yii\image\drivers\Image::INVERSE);
$imag->save($dir.'800x/'.$this->image, 90);
}
return parent::beforeSave($insert);
}
public function afterSave ($insert, $changedAttributes)
{
parent::afterSave($insert, $changedAttributes);
$arr = \yii\helpers\ArrayHelper::map($this->tags,'id','id');
foreach ($this->tags_array as $one) {
if(!in_array($one,$arr)){
$model = new BlogTag();
$model->blog_id = $this->id;
$model->tag_id = $one;
$model->save();
}
if(isset($arr[$one])) {
unset ($arr[$one]);
}
}
BlogTag::deleteAll(['tag_id'=>$arr]);
}
}
Bootstrap.php
<?php
Yii::setAlias('@common', dirname(__DIR__));
Yii::setAlias('@frontend', dirname(dirname(__DIR__)) . '/frontend');
Yii::setAlias('@backend', dirname(dirname(__DIR__)) . '/backend');
Yii::setAlias('@console', dirname(dirname(__DIR__)) . '/console');
Yii::setAlias('@images', dirname(dirname(dirname(__DIR__))) . '/public_html/uploads/images');
Средний
Blog.php 
