PHP多图上传和单图上传

    /**
     *  多选图片上传
     *  
     *  @version  v1.0.0
     *  @author   zhangqi
     *  @since    17-11-24
     */
    public function upload()
    {
        $file = $_FILES['file'];
        empty($file) && $this->response(201,'请选择要上传的文件');
        unset($_FILES['file']);
        $count = count($file['name']);              // 上传图片的数量
        $count > 10 && $this->response(203,'批量上传图片一次最多上传10张图片');
        $tmpFile    = [];
        $returnData = [];
        for($i=0;$i<$count;$i++)                    // 循环处理图片
        {
            $tmpFile['name']     = $file['name'][$i];
            $tmpFile['type']     = $file['type'][$i];
            $tmpFile['tmp_name'] = $file['tmp_name'][$i];
            $tmpFile['error']    = $file['error'][$i];
            $tmpFile['size']     = $file['size'][$i];
            $_FILES['file_'.$i]  = $tmpFile;
            // 判断是否是允许的图片类型
            $ext = substr($_FILES['file_'.$i]['name'],strrpos($_FILES['file_'.$i]['name'],'.')+1);  // 上传文件后缀
            stripos('jpeg|png|bmp|jpg',$ext) === FALSE && $this->response(210,'图片格式支持 JPEG、PNG、BMP格式图片');
            $data = $this->uploadOne('file_'.$i,'jpeg|png|bmp|jpg');
            if($data['status'] == 1)
            {
                $this->response(500,'第'.($i+1).'张图片上传失败，'.$data['msg']);
            }
            $returnData[$i]['url']      = $data['url'];     // 图片路径
            $returnData[$i]['old_name'] = substr($tmpFile['name'],0,strrpos($tmpFile['name'], '.')); // 图片原名称
        }
        $this->response(200,'successful',$returnData);
    }


     /**
     *  单文件上传
     *  @version  v1.0.0
     *  @author   zhangqi
     *  @since    17-11-24
     *  @param    $file     上传表单name名称
     *  @param    $type     上传类型
     *  @param    $maxSize  上传文件限制大小(默认 10M)
     */
    private function uploadOne($filename = 'file',$type = 'jpeg|png|bmp|jpg',$maxSize = 10240)
    {
        list($width,$height)        = getimagesize($_FILES[$filename]['tmp_name']); // 获取图片的宽和高
        list($usec, $sec) = explode(" ", microtime());
        $time = $sec.substr($usec,2);                                                  // 秒数+微秒数
        $ext = substr($_FILES[$filename]['name'],strrpos($_FILES[$filename]['name'],'.')+1);  // 上传文件后缀
        $name     = $time.'-'.$width.'*'.$height.'.'.$ext;
        $filePath = $_FILES[$filename]['tmp_name'];
        $type     = $_FILES[$filename]['type'];

        $this->load->library('Qiniu');
        $returnData['url'] = $this->qiniu->upload($name,$filePath,$type);
        $returnData['status'] = 0;
        return $returnData;
    }