用户更新信息未显示
我的 php 有问题，用户更新的数据未显示在页面中，它仅显示以前的数据而不显示更新的数据，但信息已在数据库中更新
这是我的 updateForm.php：
<?php
session_start();
$std = $_SESSION;
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Student Profile | MyMerit</title>
<!-- Fonts-->
<link href="https://fonts.googleapis.com/css?
family=Archivo+Narrow:300,400,700%7CMontserrat:300,400,500,600,700,800,900" rel="stylesheet">
<link rel="stylesheet" href="plugins/font-awesome/css/font-awesome.min.css">
<link rel="stylesheet" href="plugins/ps-icon/style.css">
<!-- CSS Library-->
<link rel="stylesheet" type="text/css" href="css/style.css" />
<link rel="stylesheet" href="plugins/bootstrap/dist/css/bootstrap.min.css">
</head>
<div class="header--sidebar"></div>
<header class="header">
<div class="header__top">
<div class="container-fluid">
<div class="row">
<div class="col-lg-6 col-md-8 col-sm-6 col-xs-12">
<p>Welcome to MyMerit</p>
</div>
<div class="col-lg-6 col-md-3 col-sm-6 col-xs-12">
<div class="header__actions"><a href="stdLogin.php"><i class="fas fa-sign-out-alt">
</i>Back</a></div>
</div>
</div>
</div>
</div>
</header>
<body>
<div class="col-lg-4 col-lg-offset-4">
<div class="page-header">
<h2>Student Profile Update</h2>
</div>
<form action="stdUpdateData.php" method="POST">
<div class="form-group">
<div class="input-group col-xs-15">
<span class="input-group-addon"><i class="glyphicon glyphicon-user"></i></span>
<input type="text" class="form-control" name="stdName" placeholder="Username" required>
</div>
</div>
<div class="form-group">
<div class="input-group col-xs-15">
<span class="input-group-addon"><i class="glyphicon glyphicon-credit-card"></i></span>
<input type="text" class="form-control" name="stdMatric" placeholder="Matric No" required>
</div>
</div>
喵喔喔1回答
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桃花长相依
我假设您在插入数据库后将学生数据存储在会话中。然后，您必须在数据库更新操作后再次更新会话数据。
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