控制器代码

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/** 
* get ajax uploaded files. 
*/ 
public function actionGetAjax(){ 
$model=new Attachment();//加载附件模型 
$tmpFile = CUploadedFile::getInstanceByName('image');//读取图像上传域,并使用系统上传组件上传 
$Directroy = Yii::app()->params['uploadPath'];//读取上传配置文件,我的配置是/uploads 
//创建文件存放路径 
$y = date('Y'); 
$m = date('m'); 
$d = date('d'); 
$Directroy = $Directroy."/"; 
$pathd = $Directroy.$y."/".$m."/".$d."/"; 
Tool::makedir(dirname(Yii::app()->BasePath).$pathd); //创建文件夹,此处一定要加上dirname(Yii::app()->BasePath)不然可能会出错; 
if(is_object($tmpFile) && get_class($tmpFile)==='CUploadedFile'){ 
$filename = time().rand(0,9); 
$ext = $tmpFile->extensionName;//上传文件的扩展名 
if($ext=='jpg'||$ext=='gif'||$ext=='png'){ 
$big = $pathd . $filename . '_600.' . $ext; //310缩略图 
$small = $pathd . $filename . '_310.' . $ext; //310缩略图 
$thumb = $pathd . $filename . '_100.' . $ext; //100缩略图 
$model->zat_thumb = $thumb; //缩略图 
} 
$uploadfile = $pathd . $filename . '.' . $ext; //保存的路径 
$model->zat_url = $pathd . $filename . '.' . $ext; //重新赋值 
$model->zat_file_name = $filename . '.' . $ext; //文件名称 
$model->zat_title = $tmpFile->name; //文件标题 
$model->zat_file_type = $tmpFile->type; //文件类型 
$model->zat_file_size = $tmpFile->size; //文件大小 
$model->zat_image = 2; 
$model->zat_ip = Yii::app()->request->userHostAddress; //上传IP 
//print_r($uploadfile); 
} 

if($model->save()){ 
$tmpFile->saveAs(dirname(Yii::app()->BasePath).$uploadfile);//保存到服务器 
if($ext=='jpg'||$ext=='gif'||$ext=='png'){ 
$img = Yii::app()->image->load(dirname(Yii::app()->BasePath).$uploadfile); //使用image-Kohana图像处理库扩展 
$img->resize(600,600)->quality(85); 
$img->save(dirname(Yii::app()->BasePath).$big);//生成600缩略图 
$img->resize(310,310)->quality(85); 
$img->save(dirname(Yii::app()->BasePath).$small);//生成310缩略图 
$img->resize(100,100)->quality(85); 
$img->save(dirname(Yii::app()->BasePath).$thumb);//生成100缩略图 
} 
if($ext=='jpg'||$ext=='gif'||$ext=='png'){ 
$str = json_encode( 
array( 
'upfile'=>array( 
'zat_id' => Yii::app()->db->getLastInsertID(), //取插ID 
'file' => $uploadfile,//原图 
'small' => $small,//310缩略图 
'thumb' => $thumb,//100缩略图 
) 
) 
); 
}else{ 
$str = json_encode( 
array( 
'upfile'=>array( 
'zat_id' => Yii::app()->db->getLastInsertID(), 
'file' => $uploadfile, 
) 
) 
); 
} 
echo $str; 
} 

} 






VIEW代码

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<input id="fileupload" type="file" name="image" multiple> 
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<script src="<?php echo Yii::app()->baseUrl;?>/js/jquery.ui.widget.js"></script> 
<script src="<?php echo Yii::app()->baseUrl;?>/js/jquery.iframe-transport.js"></script> 
<script src="<?php echo Yii::app()->baseUrl;?>/js/jquery.fileupload.js"></script> 
<script> 
$(function () { 
$('#fileupload').fileupload({ 
dataType: 'json', 
url: '/Attachment/GetAjax', 
success: function (json) { 
$('#MemType_zmt_pic').attr('value',json.upfile.file); 
$("#images").attr('src',json.upfile.file); 
} 
}); 
}); 
</script>