Notice: Undefined index: in ajax.php on line 3
“Notice: Use of undefined constant”错误说明
php.ini配置问题，按下面修改即可解决：
修改php.ini,把error_reporting = E_ALL改成
error_reporting = E_ALL & ~E_NOTICE
“Notice: Use of undefined constant”错误说明
php.ini配置问题，按下面修改即可解决：
修改php.ini,把error_reporting = E_ALL改成
error_reporting = E_ALL & ~E_NOTICE