使用mysql中的访问列在php中设置用户角色时出错
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【中文标题】使用mysql中的访问列在php中设置用户角色时出错【英文标题】：Error in setting user roles in php using access column in mysql 【发布时间】：2018-06-07 05:11:22 【问题描述】：我有一个登录/注册网站。管理员和用户都在mysql的同一个表中。
我的用户表如下：
有些页面只有管理员才能访问。我已经创建了一个访问列并将值放在图像中。我有以下 php 代码来检查它是否是管理员
<?
include("config.php");
session_start();
$user_email=$_SESSION['email'];
$check_user="select * from users WHERE user_email='$user_email'";
$run=mysqli_query($dbcon,$check_user);
while($row = $run->fetch_assoc())
$user_name=$row['user_name'];
?>
<div class="sing"><?php
if ($_SESSION['access'] != 'admin')
header("Location: login.php");
else if (isset($_SESSION['email']) && $_SESSION['email'] == true)
echo "   You logged in as " . $_SESSION['email'] ;
echo "<div style='float: right;'><a href='logout.php'>logout</a> </div>";
else
?>
<!DOCTYPE html>
<html>
<head>
<title>Nurses Pulse </title>
<!--/tags -->
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="application/x-javascript">
addEventListener("load", function ()
setTimeout(hideURLbar, 0);
, false);
function hideURLbar()
window.scrollTo(0, 1);
</script>
<!--//tags -->
<link rel="icon" type="image/png" href="images/imageedit_2_5125240109.gif"/>
<link href="css/bootstrap.css" rel="stylesheet" type="text/css" media="all" />
<link href="css/style.css" rel="stylesheet" type="text/css" media="all" />
<link href="css/appointment_style.css" rel="stylesheet" type="text/css" media="all" />
<link href="css/font-awesome.css" rel="stylesheet">
<!-- //for bootstrap working -->
<link href="//fonts.googleapis.com/css?family=Source+Sans+Pro:300,300i,400,400i,600,600i,700" rel="stylesheet">
</head>
<body>
<!-- header -->
<div class="header" id="home">
<div class="content white">
<nav class="navbar navbar-default" role="navigation">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="index.php">
<h1 style="color:#e50000"><span class="fa fa-heartbeat" aria-hidden="true"></span>Nurses Pulse </h1>
</a>
</div>
<!--/.navbar-header-->
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<nav>
<ul class="nav navbar-nav">
<li><a href="index.php" class="active">Home</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">Exams <b class="caret"></b></a>
<ul class="dropdown-menu">
<li><a href="prometric.php">PROMETRIC</a></li>
<li class="divider"></li>
<li><a href="haadexam.php">HAAD</a></li>
<li class="divider"></li>
<li><a href="moh.php">MOH</a></li>
<li class="divider"></li>
</ul>
</li>
<li><a href="aboutus.php">About Us</a></li>
</ul>
</nav>
</div>
<!--/.navbar-collapse-->
<!--/.navbar-->
</div>
</nav>
</div>
</div>
<!-- banner -->
<!--//banner -->
<!-- about -->
<!-- emergency -->
<!-- //emergency -->
<!-- services -->
<div class="services">
<div class="container">
<h3 class="heading-agileinfo" style="color:#e50000"><span>Sorry! You Have Timed Out!</span></h3>
<div class="services-top-grids">
<div> </div><br>
<br>
<?php
$session_value=(isset($_SESSION['correct_score']))?$_SESSION['correct_score']:'';
$session_value2=(isset($_SESSION['not_correct_score']))?$_SESSION['not_correct_score']:'';
echo "<div class='div-left'> Number Of Correct Answers = " . $session_value . "</div>";
echo "<div class='div-left'> <br>Number Of Wrong Answers = " . $session_value2 . "</div>";
?>
</div>
<div class="services-bottom-grids">
<div class="clearfix"></div>
</div>
</div>
</div>
<!-- //services -->
<!-- Clients -->
<!-- //Clients -->
<!--/icons-->
<!--//icons-->
<!-- footer -->
<div class="footer_top_agile_w3ls">
<div class="container">
<div class="col-md-3 footer_grid">
<h3>About Us</h3>
<p>NursesPulse is for those who are preparing for the staff nurse entrance exam for abroad.
</p>
</div>
<div class="col-md-3 footer_grid">
<h3>Other Services</h3>
<ul class="footer_grid_list">
<li><i class="fa fa-angle-right" aria-hidden="true"></i>
<a href="exambooking.php" >Book Exam </a>
</li>
<li><i class="fa fa-angle-right" aria-hidden="true"></i>
<a href="#">Course Materials</a>
</li>
<li><i class="fa fa-angle-right" aria-hidden="true"></i>
<a href="membership.php" >Membership </a>
</li>
<!-- <li><i class="fa fa-angle-right" aria-hidden="true"></i>
<a href="#" data-toggle="modal" data-target="#myModal">Nurses Pulse Demo.</a>
</li>
<li><i class="fa fa-angle-right" aria-hidden="true"></i>
<a href="#" data-toggle="modal" data-target="#myModal">Nurses Pulse Demo. </a>
</li> -->
</ul>
</div>
<div class="col-md-3 footer_grid">
<h3>Contact Info</h3>
<ul class="address">
<li><i class="fa fa-map-marker" aria-hidden="true"></i>Team Pulse, Kannur <span>Kerala.</span></li>
<li><i class="fa fa-envelope" aria-hidden="true"></i><a href="mailto:nursespulse.com">nursespulse@gmail.com</a></li>
<li><i class="fa fa-phone" aria-hidden="true"></i>+91 95444 12311</li>
</ul>
</div>
<div class="col-md-3 footer_grid ">
<h3>Sign up for our Newsletter</h3>
<p>Get Started For Free</p>
<div class="footer_grid_right">
<form action="#" method="post">
<input type="email" name="Email" placeholder="Email Address..." required="">
<input type="submit" value="Submit">
</form>
</div>
</div>
<div class="clearfix"> </div>
</div>
</div>
<div class="footer_wthree_agile">
<p>© 2018 Nurses Pulse. All rights reserved | Design by <a href="">Bluroe Labs</a></p>
</div>
<!-- //footer -->
<!-- bootstrap-modal-pop-up -->
<div class="modal video-modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModal">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
Nurses Pulse
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
</div>
<div class="modal-body">
<img src="images/g7.jpg" class="img-responsive" />
<p></i></p>
</div>
</div>
</div>
</div>
<!-- //bootstrap-modal-pop-up -->
<!-- js -->
<script type="text/javascript" src="js/jquery-2.1.4.min.js"></script>
<script>
$('ul.dropdown-menu li').hover(function ()
$(this).find('.dropdown-menu').stop(true, true).delay(200).fadeIn(500);
, function ()
$(this).find('.dropdown-menu').stop(true, true).delay(200).fadeOut(500);
);
</script>
<script type="text/javascript" src="js/bootstrap.js"></script>
</body>
</html>代码不起作用，即使它的管理员登录，它也会将我重定向到登录页面。
谁能帮助我？
提前致谢。
【问题讨论】：
您的页面中有start_session()...！
是的。在顶部
分享您的完整代码以便更好地理解...！
我已经更新了代码
你在哪里设置$_SESSION['access']在你的代码..？
【参考方案1】：
试试这个
while($row = $run->fetch_assoc())
$user_name=$row['user_name'];
$_SESSION['access'] = $row['access']; //define here
?>
<div class="sing"><?php
if ($_SESSION['access'] != 'admin')
header("Location: login.php");
【讨论】：
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