thinkphp多图片上传问题

<div class="add">    <form action="" method="post" enctype="multipart/form-data">        <input type="text" name="ceshi1" class="xinxi" value="您的姓名1" onfocus="if (value =='您的姓名1'){value =''}"/>        <input type="text" name="ceshi2" class="xinxi" value="您的姓名2" onfocus="if (value =='您的姓名2'){value =''}"/>        <input type="text" name="ceshi3" class="xinxi" value="您的姓名3" onfocus="if (value =='您的姓名3'){value =''}"/>        <input type="text" name="ceshi4" class="xinxi" value="您的姓名4" onfocus="if (value =='您的姓名4'){value =''}"/>        <input type="text" name="ceshi5" class="xinxi" value="您的姓名5" onfocus="if (value =='您的姓名5'){value =''}"/>        <input type='file'  name='ceshie[]'>        <input type='file'  name='ceshie[]'>        <input type="submit" value="Submit"/>    </form></div>

       $upload = new \Think\Upload(); // 实例化上传类            $upload->maxSize = 3145728; // 设置附件上传大小            $upload->exts = array('jpg', 'gif', 'png', 'jpeg'); // 设置附件上传类型            $upload->savePath ='1/'; // 设置附件上传目录            // 上传文件            $info = $upload->upload();            trace($info,"所有上传的文件数组");            if (!$info) { // 上传错误提示错误信息                $this->error($upload->getError());            } else { // 上传成功                $this->success('上传成功！', U('index/index1'));                foreach($info as $file){                    $urls=__ROOT__.'/Uploads/'.$file['savepath'].$file['savename'];                    array_push($urlss,$urls);                }            }