CIParamTransformation.php
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<?php
namespace Qcloud\Cos\ImageParamTemplate;
class CIParamTransformation extends ImageTemplate{
    private $tranParams;
    private $tranString;
    private $spilt;
    public function __construct($spilt = "|") {
        parent::__construct();
        $this->spilt = $spilt;
        $this->tranParams = array();
        $this->tranString = "";
    }
    public function addRule(ImageTemplate $template) {
        if($template->queryString()){
            $this->tranParams[] = $template->queryString();
        }
    }
    public function queryString() {
        if($this->tranParams) {
            $this->tranString = implode($this->spilt, $this->tranParams);
        }
        return $this->tranString;
    }
    public function resetRule() {
        $this->tranParams = array();
        $this->tranString = "";
    }
    public function defineRule($value) {
        $this->tranParams[] = $value;
    }
}