yii 图片上传 图片处理

CREATE TABLE `img_show` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `title` varchar(150) DEFAULT NULL,
  `url` varchar(100) DEFAULT NULL,
  `img_path` varchar(150) DEFAULT NULL,
  `handle_img_path` varchar(150) DEFAULT NULL,
  `add_time` int(11) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=MyISAM AUTO_INCREMENT=11 DEFAULT CHARSET=utf8

public function rules()
    {
        // NOTE: you should only define rules for those attributes that
        // will receive user inputs.
        return array(
            array(‘add_time‘, ‘numerical‘, ‘integerOnly‘=>true),
            array(‘title, img_path, handle_img_path‘, ‘length‘, ‘max‘=>150),
            array(‘url‘, ‘length‘, ‘max‘=>100),
            array(‘img_path‘,
                ‘file‘,    //定义为file类型
                //  ‘allowEmpty‘=>true,
                ‘types‘=>‘jpg,png,gif,doc,docx,pdf,xls,xlsx,zip,rar,ppt,pptx‘,   //上传文件的类型
                ‘maxSize‘=>1024*1024*10,    //上传大小限制，注意不是php.ini中的上传文件大小
                ‘tooLarge‘=>‘文件大于10M，上传失败！请上传小于10M的文件！‘
            ),
            // The following rule is used by search().
            // @todo Please remove those attributes that should not be searched.
            array(‘id, title, url, img_path, handle_img_path, add_time‘, ‘safe‘, ‘on‘=>‘search‘),
        );
    }

public function actionCreate()
    {
        $model=new ImgShow;

        if(isset($_POST[‘ImgShow‘]))
        {
            $model->attributes=$_POST[‘ImgShow‘];
            $model->add_time = time();

            //获取一个CUploadfile的实例
            $file = CUploadedFile::getInstance($model,‘img_path‘);
            //判断实例化是否成功 将图片重命名
            if(is_object($file)&&get_class($file) === ‘CUploadedFile‘){
                $model->img_path = ‘./images/upfile/file‘.time().‘_‘.rand(0,9999).‘.‘.$file->extensionName;
                $file->saveAs($model->img_path);
            }
            //对图片进行处理
           /* $image = Yii::app()->image->load($model->img_path);
            $image->resize(600, 300)->rotate(-45)->quality(75)->sharpen(20);
            $model->handle_img_path = ‘./images/upfile/file‘.time().‘_‘.rand(0,9999).‘_small‘.‘.‘.$file->extensionName;
            $image->save($model->handle_img_path);*/

            if($model->save())
                $this->redirect(array(‘view‘,‘id‘=>$model->id));
        }

        $this->render(‘create‘,array(
            ‘model‘=>$model,
        ));
    }

<div class="form">

<?php $form=$this->beginWidget(‘CActiveForm‘, array(
    ‘id‘=>‘img-show-form‘,
    ‘enableAjaxValidation‘=>false,
    ‘htmlOptions‘=>array(‘enctype‘=>‘multipart/form-data‘),
)); ?>

    <p>字段带<span class="required">*</span> 的为必填项.</p>
    <?php echo $form->errorSummary($model); ?>

    <div class="row">
        <?php echo $form->labelEx($model,‘title‘); ?>
        <?php echo $form->textField($model,‘title‘,array(‘size‘=>60,‘maxlength‘=>150)); ?>
        <?php echo $form->error($model,‘title‘); ?>
    </div>

    <div class="row">
        <?php echo $form->labelEx($model,‘url‘); ?>
        <?php echo $form->textField($model,‘url‘,array(‘size‘=>60,‘maxlength‘=>100)); ?>
        <?php echo $form->error($model,‘url‘); ?>
    </div>

    <div class="row">
        <?php echo $form->labelEx($model,‘img_path‘); ?>
<!--        --><?php //echo $form->textField($model,‘img_path‘,array(‘size‘=>60,‘maxlength‘=>150)); ?>
        <?php echo CHtml::activeFileField($model,‘img_path‘,array(‘size‘=>60,‘maxlength‘=>255)); ?>
        <?php echo $form->error($model,‘img_path‘); ?>
    </div>

    <!--<div class="row">
        <?php /*echo $form->labelEx($model,‘handle_img_path‘); */?>
        <?php /*echo $form->textField($model,‘handle_img_path‘,array(‘size‘=>60,‘maxlength‘=>150)); */?>
        <?php /*echo $form->error($model,‘handle_img_path‘); */?>
    </div>-->

    <!--<div class="row">
        <?php /*echo $form->labelEx($model,‘add_time‘); */?>
        <?php /*echo $form->textField($model,‘add_time‘); */?>
        <?php /*echo $form->error($model,‘add_time‘); */?>
    </div>-->

    <div class="row buttons">
        <?php echo CHtml::submitButton($model->isNewRecord ? ‘新增‘ : ‘更新‘); ?>
    </div>

<?php $this->endWidget(); ?>

</div><!-- form -->

 ‘import‘=>array(
        ‘application.models.*‘,
        ‘application.components.*‘,
        ‘application.helpers.*‘,
    ),
    // application components
    ‘components‘=>array(
        
        ‘image‘=>array(
            ‘class‘=>‘application.extensions.image.CImageComponent‘,
                // GD or ImageMagick
            ‘driver‘=>‘GD‘,
                // ImageMagick setup path
            ‘params‘=>array(‘directory‘=>‘/opt/local/bin‘),
            ),