1 use Yii;

 2 public $imageUpload;

 3 public function rules()

 4 {

 5     return [

 6 　　　　[['imageUpload'], 'image', 'extensions' => 'png, jpg, jpeg', 'minWidth' => 200, 'maxWidth' => 1000, 'minHeight' => 200, 'maxHeight' => 1000, 'maxSize' => 1024 * 1024],

 7  　　];

 8 }

 9

10 public function attributeLabels()

11 {

12     return [

13 　　　　'imageUpload' => '頭像',

14 　　];

15 }

16 /**

17  * 獲取頭像url地址

18  * @return 頭像的url地址

19  */

20 public function getPortraitUrl()

21 {

22     return self::getAvatarUrlById($this->id);

23 }

24

25 /**

26  * 獲取頭像存放路徑

27  * @return 頭像的存放路徑

28  */

29 public static function getAvatarPathById($companyId)

30 {

31     $string = str_pad($companyId, 6, '0', STR_PAD_LEFT);

32 　　//頭像的存放路徑

33     $path = 'company/' . substr($string, 0, -4) . '/' . substr($string, -4, 2) . '/' . substr($string, -2, 2) . image_type_to_extension(IMAGETYPE_JPEG);;

34     return $path;

35 }

36

37 /**

38  * 通過用戶ID獲取頭像url地址

39  */

40 public static function getAvatarUrlById($companyId)

41 {

42     $path = self::getAvatarPathById($companyId);

43     $file = Yii::getAlias('@uploadPath/' . $path);

44     if (file_exists($file)) {

45         $makeTime = filemtime($file);

46         return Yii::getAlias('@uploadUrl/' . $path) . '?' . $makeTime;

47     }

48     return Yii::getAlias('@resUrl/' . self::DEFAULT_AVATAR);

49 }

 1 use Yii;

 2 use app\models\Company;

 3 use yii\helpers\FileHelper;

 4 use yii\web\Controller;

 5 use yii\web\UploadedFile;

 6 //use  yii\imageine'Image;  //需要通過composer引入

 7 public function actionProfile()

 8 {

 9     $id = Yii::$app->session['companyId'];//得到id

10     $model = Company::findOne($id);

11     $imageUpload = UploadedFile::getInstance($model, 'imageUpload');//返回一個上傳文件

12     if (Yii::$app->request->isPost && $model->load(Yii::$app->request->post())) {//判斷是否post提交，加載數據

13         if ($imageUpload && $model->validate(['imageUpload'])) {//數據驗證

14             $path =  Company::getAvatarPathById($id);//圖片的路徑別名

15             $avatarImage = Yii::getAlias('@uploadPath/' . $path);//將路徑別名轉化為實際的路徑

16             FileHelper::createDirectory(dirname(Yii::getAlias($avatarImage)));//創建目錄

17             $imageUpload->saveAs(Yii::getAlias($avatarImage));//保存圖片

18 　//　　　Image::thumbnail($avatarImage, 300, 300)->save($avatarImage);  //將保存的圖片改成300*300像素再保存到網頁上

19         }

20         if($model->save()) {

21             Yii::$app->session['companyName'] = $model->name;

22         }

23     }

24     return$this->render('profile', ['model' => $model]);

25 }

 1 use app\models\Company;

 2 <?php $form = ActiveForm::begin([     /*表單開始*/

 3     'options' => ['enctype' => 'multipart/form-data']   //文件上傳必須加

 4 ]); ?>

 5 <?= $form->field($model, 'imageUpload')->fileInput(['maxlength' => true])->hint('建議上傳尺寸:100*100--300*300') ?>

 6 <?= $form->field($model, 'imageUpload', ['inputTemplate'=>'<img src="'.\app\models\Company::getAvatarUrlById($model->id).'" width="100px" height="100px" />'])->staticControl() ?>

 7 <div class="form-group">

 8     <div class="col-sm-offset-2 col-sm-6">

 9         <?= Html::submitButton('修改', ['class' => 'btn btn-green btn-sm']) ?>    <!-- 顯示提交按鈕 -->

10     </div>

11 </div>

12 <?php ActiveForm::end(); ?>   <!-- 表單結束 -->