url
$html = file_get_contents('http://www.runoob.com');
$dom = new DOMDocument();
@$dom->loadHTML($html);
// grab all the on the page
$xpath = new DOMXPath($dom);
$hrefs = $xpath->evaluate("/html/
excel
//横向导出
public function cross()
{
require_once '/www/data/assets/PHPExcel/Classes/PHPExcel.php';
$objExcel = new PHPExcel();
$objProps = $objExcel->getActiveSheet