$sql="INSERT INTO mytable(name, phone)
VALUES('$_POST['name']','$_POST['phone']')";
改为
$sql="INSERT INTO mytable(name, phone)
VALUES('".$_POST['name']."','".$_POST['phone']."')";
VALUES('$_POST['name']','$_POST['phone']')";
改为
$sql="INSERT INTO mytable(name, phone)
VALUES('".$_POST['name']."','".$_POST['phone']."')";
VALUES('".$_POST['name']."','".$_POST['phone']."')";
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新问题 Notice: Undefined index: sub in /var/www/html/exam/add.php on line 18
--------
if("SUBMIT" == $_POST['sub'] )
==>
if(isset($_POST)&&$_POST['sub']=="SUBMIT"))这个错误不严重,显示出来的原因是你php环境error_report的级别设置太严格
{
$sql="INSERT INTO mytable(name, phone)
VALUES('".$_POST['name']."','".$_POST['phone']."')";