public function fetch($templateFile = '', $charset = 'utf-8', $contentType = 'text/html')
{
if (!is_file($templateFile)) {
$templateFile = realpath($this->path . DIRECTORY_SEPARATOR . 'html' . DIRECTORY_SEPARATOR . $templateFile . '.html');
}
// 获取当前Js语言包
$this->langJsList = setLangJavsScript();
$this->assign('langJsList', $this->langJsList);
return fetch($templateFile, $this->tVar, $charset, $contentType, false);
}