<?php
include 'conn.php';
if (isset($_POST['action'])) {
$linehao=$_POST['linehao'];
$dianji=$_POST['dianji'];
$sqlxg ="UPDATE `xiao` SET `dianji` = '" . $dianji. "' WHERE `linehao` = '" . $linehao . "'";
if ($conn->query($sqlxg) === TRUE) {
}
}