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

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

yii上传文件
yii控件activeFileField使用
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废话不多说直接代码

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(); ?>