thinkphp3.2给layui写的上传接口

     3145728,//文件上传的最大文件大小（以字节为单位），0为不限大小
//            'savePath'   =>    '/Content/',
            'rootPath'      =>  'Upload/Content/', //保存根路径
            'saveName'   =>    array('uniqid',''),
            'exts'       =>    array('jpg', 'gif', 'png', 'jpeg'),
            'autoSub'    =>    true,
            'subName'    =>    array('date','Ymd'),
            );
        $upload=new Upload($config);
        $info=$upload->upload();
        if ($info){
           foreach($info as $file){
               $data['src']="/".$config['rootPath'].$file['savepath'].$file['savename'];
           }
           $this->toApi('0',"上传成功",$data);
        }else{

           $this->toApi('1',$upload->getError());
        }


    }
}