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這篇文章給大家分享的是有關(guān)yii如何實(shí)現(xiàn)圖片上傳及縮略圖生成的內(nèi)容。小編覺得挺實(shí)用的,因此分享給大家做個(gè)參考,一起跟隨小編過來看看吧。
具體實(shí)現(xiàn)方法如下:
Action文件:
<?php /** * TestController.php * Created on: 2014-1-26 12:59:36 by Outsider */ class TestController extends CController { /** * 縮略圖片生成 * @ path 圖片路徑 * @ width 圖片寬度 * @ height 圖片高度 */ public function actionGetThumb($path, $w, $h) { $file_name = md5($path . $w . $h); if (file_exists('./temp/' . $file_name . '.jpg')) { header('location:/temp/' . $file_name . '.jpg'); Yii::app()->end(); } Yii::import("ext.EPhpThumb.EPhpThumb"); $thumb = new EPhpThumb(); $thumb->init(); $thumb->create('.' . $path) ->adaptiveResize($w, $h) ->save('./temp/' . $file_name . '.jpg') ->show(); } /* * 圖片顯示 */ public function actionList() { $attache = Attache::model(); $list = $attache->findAll(); $this->render('list', array('list' => $list)); die; } /** * 文件上傳 */ public function actionIndex() { $path = getcwd() . 'uploads'; $dir = DIRECTORY_SEPARATOR . date('Y') . DIRECTORY_SEPARATOR . date('m'); $dir = str_replace("\", "/", $dir); $uploads_dir = str_replace("\", "/", $path . $dir); if (!is_dir($uploads_dir) || !is_writeable($uploads_dir)) { mkdir($uploads_dir, 0777, TRUE); touch($uploads_dir . '/index.html'); } $uploaded = false; $model = new Upload(); if (isset($_POST['Upload'])) { $model->attributes = $_POST['Upload']; $file = CUploadedFile::getInstance($model, 'file'); $newName = substr(md5($file->extensionName . round((microtime(true) * 1000))), 0, 17) . '.' . $file->extensionName; $file_name = $uploads_dir . '/' . $newName; if ($model->validate()) { $attache = new Attache(); $uploaded = $file->saveAs($file_name, TRUE); $attache->name = $file->getName(); $attache->path = $dir . '/' . $newName; $attache->create_time = time(); $attache->save(); } } $this->render('index', array( 'model' => $model, 'uploaded' => $uploaded, 'dir' => $uploads_dir, )); } }
Upload.php:
<?php class Upload extends CFormModel { public $file; public function rules() { return array( array('file', 'file', 'types' => 'jpg, gif, png,zip'), ); } }
圖片顯示頁面:
自定義圖片大小,縮略圖自動(dòng)生成
<?php /** * list.php * Created on: 2014-1-26 13:12:01 by Outsider */ ?> <?php foreach ($list as $v): ?> <img src="<?php echo Yii::app()->createUrl('test/getThumb', array('path' => '/uploads' . $v['path'], 'w' => '150', 'h' => '150')) ?>"> <?php endforeach; ?>
圖片上傳表單:
<?php if($uploaded):?> <p>File was uploaded. Check <?php echo $dir?>.</p> <?php endif ?> <?php echo CHtml::beginForm('','post',array ('enctype'=>'multipart/form-data'))?> <?php echo CHtml::error($model, 'file')?> <?php echo CHtml::activeFileField($model, 'file')?> <?php echo CHtml::submitButton('Upload')?> <?php echo CHtml::endForm()?>
感謝各位的閱讀!關(guān)于“yii如何實(shí)現(xiàn)圖片上傳及縮略圖生成”這篇文章就分享到這里了,希望以上內(nèi)容可以對(duì)大家有一定的幫助,讓大家可以學(xué)到更多知識(shí),如果覺得文章不錯(cuò),可以把它分享出去讓更多的人看到吧!
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