YII 用AJAX上传图片

控制器代码

/** * 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

<input id="fileupload" type="file" name="image" multiple>

<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>