我目前正在制作rota，其中一个页面是更新已登录帐户的名字和姓氏。
网页分为标题（包括其他页面和登录）正文（内容取决于您所在的页面）和页脚（保留当前时间）。
当帐户登录时，他们可以选择退出并显示姓名。当他们登录帐户并更改名字或姓氏并提交时，它会在数据库中更改，但为了使其显示在标题中“您以Jack Smith身份登录”，您需要退出帐户并重新登录。
我猜测原因是因为每个包都加载了标题，并且在更新数据库时不会刷新。我已经在网上看了，我已经尝试了action =“window.location.reload（）”但似乎没有用。
以下是我的标题和帐户设置页面的代码，以及数据库更改。感谢所有帮助。
HEADER
<?php
session_start();
date_default_timezone_set('Europe/London');
?>
<!DOCTYPE html>
<html>
<head>
</head>
<meta charset="utf-8">
<title> Egress Lunch Rota</title>
<link rel="stylesheet" type="text/css" href="styles.css">
<script type="text/javascript" src="javascript.js"></script>
<div id="head">
<table id="span">
<tr>
<td id="test">
<table id="padding2">
<tr class="padding">
<td class="padding"><a href="index.php">Home</a></td>
<td class="padding"><a href="signup.php">Sign up</a></td>
<td class="padding"><a href="account.php">Account</a></td>
</tr>
</table>
</td>
<td class="info">
<?php
if (isset($_SESSION['first'])) {
echo '<form action="includes/logout.inc.php" method="POST">
<button type="submit" name="submit">Logout</button>
</form>';
} else{
echo '<form action="includes/login.inc.php" method="POST">
<input type="text" name="uid" placeholder="Username">
<input type="password" name="pwd" placeholder="Password">
<button type="submit" name="submit">Log In</button>
</form>';
}
?>
<div id="signup">
<?php
if (isset($_SESSION['first']) && isset($_SESSION['last'])) {
echo "You are signed in as: " . $_SESSION['first']. " ";
echo $_SESSION['last'];
} else{
echo "<br>";
}
?>
</div>
</td>
</tr>
</table>
</div>
ACCOUNT HTML PAGE
</<?php
include 'header.php';
?>
<body onload="startTime()">
<div class="accounttitle">
<b> Change Account Settings</b>
</div>
<div class="accountcontent">
<b>Personal information</b><br>
<form action="includes/account.inc.php" action="includes/header.inc.php" method="POST">
<div class="inputs">Firstname:</div> <div class="test"> <input type="text" name="first" placeholder="Firstname" class="size"></div>
<div class="inputs">Secondname:</div> <div class="test"> <input type="text" name="last" placeholder="Lastname" class="size"></div>
<div><button onclick="location.reload()" type="submit" name="submit" class="button">Submit</button></div>
</form>
</div>
</div>
<div class="accountcontent">
<div>
<b>Password</b><br>
<form action="includes/account.inc.php" method="POST">
<div class="inputs"> Current Password:</div> <div class="test"> <input type="password" name="cpassword" placeholder="Current Password" class="size"></div>
<div class="inputs"> New Password:</div> <div class="test"> <input type="password" name="npassword" placeholder="New Password" class="size"> </div>
<div class="inputs"> Confirm new Password: </div> <div class="test"> <input type="password" name="cnpassword" placeholder="Confirm Password" class="size"> </div>
<div><button type="submit" name="submit1" class="button">Submit</button></div>
</div>
</div>
<div class="accountcontent">
<div>
<b>Security questions</b><br>
First Security Question:
<form action="includes/account.inc.php" method="POST">
<div class="tests">
<select name="qone">
<option value="Where did you go for your first holiday?">Where did you go for your first holiday?</option>
<option value="What make was your first car?">What make was your first car?</option>
<option value="Where did you spend your honeymoon?">Where did you spend your honeymoon?</option>
<option value="In what city do you work?">In what city do you work?</option>
<option value="What is your least favourite job?">What is your least favourite job?</option>
<option value="What is the name of your first firend?">What is the name of your first friend?</option>
</select>
</div>
First Answer: <div class="tests"> <input type="text" name="aone" placeholder="#1 Answer" class="size"><br> </div>
Second Security Question:
<div class="tests">
<select name="qtwo">
<option value="Where did you go for your first holiday?">Where did you go for your first holiday?</option>
<option value="What make was your first car?">What make was your first car?</option>
<option value="Where did you spend your honeymoon?">Where did you spend your honeymoon?</option>
<option value="In what city do you work?">In what city do you work?</option>
<option value="What is your least favourite job?">What is your least favourite job?</option>
<option value="What is the name of your first firend?">What is the name of your first friend?</option>
</select>
</div>
Second Answer: <div class="tests"> <input type="text" name="atwo" placeholder="#2 Answer" class="size"><br></div>
<div><button type="submit" name="submit2" class="button">Submit</button></div>
</form>
</div>
</div>
<?php
include 'footer.php';
?>
ACCOUNT BACK END
<?php
session_start();
if (isset($_POST['submit'])) {
include_once '../dbh.php';
$first = mysqli_real_escape_string($conn, $_POST['first']);
$last = mysqli_real_escape_string($conn, $_POST['last']);
//Query
$sql = "SELECT * FROM users1";
$sql1 = "SELECT * FROM lunch";
$result = mysqli_query($conn, $sql);
$result1 = mysqli_query($conn, $sql1);
//Error handlers
if (!preg_match("/^[a-zA-Z]*$/", $first) || !preg_match("/^[a-zA-Z]*$/", $last)){
header("Location: ../account.php?account=invalid");
exit();
} else{
$sql = "UPDATE users1 SET first = '$_POST[first]', last = '$_POST[last]' WHERE id = '$_SESSION[id]'";
$sql1 = "UPDATE lunch SET firstname = '$_POST[first]', secondname = '$_POST[last]' WHERE tid = '$_SESSION[id]'";
mysqli_query($conn, $sql);
mysqli_query($conn, $sql1);
header("Location: ../account.php?account=success");
exit();
}
}