### assign **设置模板变量** ~~~ function assign($key, $value) { if($value === '0000-00-00' || $value === 'NULL'|| $value === '0000-00-00 00:00:00'){ $value = ''; } $this->show->assign ( $key, $value ); } ~~~ **例：** ~~~ ... ... $this->assign('showPageShip',$showPageShip); ... ... ~~~