JS+PHP實現彈出滑動驗證碼實例,目前挺多網站都在用的拖動滑塊匹配圖形的驗證方式
遠程驗證拖動是否正確:
require_once dirname(__FILE__).'/TnCode.class.php';
$tn = new TnCode();
if($tn->check()){
$_SESSION['tncode_check'] = 'ok';
echo "ok";
}else{
$_SESSION['tncode_check'] = 'error';
echo "error";
}