yii上传图片、yii上传文件、yii控件activeFileField使用

model

  public function rules()

  {

    // NOTE: you should only define rules for those attributes that

    // will receive user inputs.

    return array(

      array('hits', 'numerical', 'integerOnly'=>true),

      array('title', 'length', 'max'=>80),

      array('linkurl', 'length', 'max'=>255),

      array('imgpath','file','types'=>'jpg,gif,png','on'=>'insert'),

      array('thumb','file','types'=>'jpg,gif,png','on'=>'insert'),

      array('addtime', 'length', 'max'=>10),

      // The following rule is used by search().

      // Please remove those attributes that should not be searched.

      array('aid, title, linkurl, addtime, hits', 'safe', 'on'=>'search'),

    );

  }

Controller  控制器

  public function actionCreate()

  {

    $model=new Slide;

    // Uncomment the following line if AJAX validation is needed

    // $this->performAjaxValidation($model);

    if(isset($_POST['Slide']))

    {

      $model->attributes=$_POST['Slide'];

      $model->imgpath=CUploadedFile::getInstance($model,'imgpath');

      $model->thumb=CUploadedFile::getInstance($model,'thumb');

      if($model->imgpath)

      {

        $newimg = 'imgpath_'.time().'_'.rand(1, 9999).'.'.$model->imgpath->extensionName;

        //根据时间戳重命名文件名,extensionName是获取文件的扩展名

        $model->imgpath->saveAs('assets/uploads/slide/'.$newimg);

        $model->imgpath = 'assets/uploads/slide/'.$newimg;

        //将image属性重新命名

      }

      if($model->thumb)

      {

        $newthumb = 'thumb_'.time().'_'.rand(1, 9999).'.'.$model->thumb->extensionName;

        $model->thumb->saveAs('assets/uploads/slide/'.$newthumb);

        $model->thumb = 'assets/uploads/slide/'.$newthumb;

      }

      $model->addtime = time();

      if($model->save())

        $this->redirect(array('view','id'=>$model->aid));

    }

    $this->render('create',array(

      'model'=>$model,

    ));

  }

  /**

    * 修改

    */

  public function actionUpdate($id)

  {

    $model=$this->loadModel($id);

    // Uncomment the following line if AJAX validation is needed

    // $this->performAjaxValidation($model);

    if(isset($_POST['Slide']))

    {

      $model->attributes=$_POST['Slide'];

      $model->imgpath=CUploadedFile::getInstance($model,'imgpath');

      $model->thumb=CUploadedFile::getInstance($model,'thumb');

      if($model->imgpath)

      {

        $newimg = 'imgpath_'.time().'_'.rand(1, 9999).'.'.$model->imgpath->extensionName;

        //根据时间戳重命名文件名,extensionName是获取文件的扩展名

        $model->imgpath->saveAs('assets/uploads/slide/'.$newimg);

        $model->imgpath = 'assets/uploads/slide/'.$newimg;

        //将image属性重新命名

      } else {
        $model->imgpath = $_POST['imgpath2'];

      }

      if($model->thumb)

      {

        $newthumb = 'thumb_'.time().'_'.rand(1, 9999).'.'.$model->thumb->extensionName;

        $model->thumb->saveAs('assets/uploads/slide/'.$newthumb);

        $model->thumb = 'assets/uploads/slide/'.$newthumb;

      } else {

        $model->thumb = $_POST['thumb2'];

      }

      $model->addtime = time();

      if($model->save()) {

        $this->redirect(array('view','id'=>$model->aid));

      }

    }

    $this->render('update',array(

      'model'=>$model,

    ));

  }

view 视图

<?php $form=$this->beginWidget('CActiveForm', array(

  'id'=>'slide-form',

  'enableAjaxValidation'=>true,

  'htmlOptions'=>array('enctype'=>'multipart/form-data')

)); ?>

<table width="100%" cellspacing="0" class="table_form">
<tbody>

  <tr>

    <th width="100">广告标题：</th>

    <td>

    <?php echo $form->textField($model,'title',array('size'=>50,'maxlength'=>80));
?>

                <?php echo $form->error($model,'title'); ?>

                </td>

  </tr>

  <tr>

    <th>链接地址：</th>

    <td>

                <?php echo $form->textField($model,'linkurl',array('size'=>50,'maxlength'=>255));
?>

    <?php echo $form->error($model,'linkurl'); ?>

                </td>

  </tr>

  </tbody>

  </table>
<div style=""
id="imagesdiv" class="pad-10">

  <fieldset>

  <legend>幻灯片设置</legend>

  <table width="100%" class="table_form">

  <tbody>

    <tr>

        <th width="80">上传图片：</th>

        <td class="y-bg" style="width:250px;"><?php echo
CHtml::activeFileField($model,'imgpath'); ?></td>

        <td>

  

  <?php echo '<img src="'.$model->imgpath.'"    width="20%"/>';
?>

        <?php if(!$model->isNewRecord){?>

        <input type="hidden" name="imgpath2" id="hiddenField"    value="<?php
echo $model->imgpath;?>"/>

        <?php }?>

                </td>

    </tr>

    </tbody>
</table>
</fieldset></div>
<div id="imagesdiv" class="pad-10">

  <fieldset>

  <legend>缩略图设置</legend>

  <table width="100%" class="table_form">

  <tbody>

    <tr>

        <th width="80">上传图片：</th>

        <td class="y-bg" style="width:250px;"><?php echo
CHtml::activeFileField($model,'thumb'); ?></td>

        <td>

  <?php echo '<img src="'.$model->thumb.'" />'; ?>

        <?php if(!$model->isNewRecord){?>

        <input type="hidden" name="thumb2" id="hiddenField"    value="<?php
echo $model->thumb;?>"/>

        <?php }?>

        </td>

    </tr>

    </tbody>
</table>
</fieldset></div>
<div style="margin-left:10px;
line-height:30px;" class="bk15">
<?php echo CHtml::submitButton($model->isNewRecord ? '确定' : '修改',array('class'=>'button'));
?>
<?php $this->endWidget();

原创作品：http://wuhai.blog.51cto.com/2023916/953300