//这是我的登录页面。登录后，我去manpower.php页面选择一个产品。
<?php
session_start();
include_once'db_connect.php';
if(isset($_POST['login']))
{
$username=mysqli_real_escape_string($mysqli,$_POST['username']);
$password=mysqli_real_escape_string($mysqli,$_POST['password']);
$_SESSION["username"]=$username;
$_SESSION["password"]=$password;
$select_user="SELECT * FROM admin WHERE username='$username' AND password='$password'";
$run_query=mysqli_query($mysqli,$select_user);
$row=mysqli_fetch_array( $run_query);
if ($row['username']==$username) {
header('location:admin/index.php');
}
else
{
$message = "you are not registerd !!";
echo "<script type='text/javascript'>alert('$message');</script>";
//
}
}
if(isset($_POST['userlogin']))
{
$username=mysqli_real_escape_string($mysqli,$_POST['username']);
$password=mysqli_real_escape_string($mysqli,$_POST['password']);
$_SESSION["username"]=$username;
$_SESSION["password"]=$password;
$select_user="SELECT * FROM users WHERE username='$username' AND password='$password'";
$run_query=mysqli_query($mysqli,$select_user);
$row=mysqli_fetch_array( $run_query);
if ($row['username']==$username) {
// echo $_SESSION["username"];
header('location:index.php');
}
else
{
$message = "you are not registerd !!";
echo "<script type='text/javascript'>alert('$message');</script>";
//
}
}
?>
//这是人力页面。在localhost中，我可以选择任何产品，但是当我将其部署到服务器时。它首先显示错误消息但有效。
//警告：session_start（）：无法发送会话缓存限制器 - 已发送的标头（输出在/hermes/bosnacweb01/bosnacweb01ai/b1049/ipg.dreameducationbdcom/polyworld/Manpower.php:1开始）/ hermes / bosnacweb01第3行/bosnacweb01ai/b1049/ipg.dreameducationbdcom/polyworld/Manpower.php
你可以在这里看到错误
http://polyworldservice.com/Manpower.php
<?php
session_start();
include_once'db_connect.php';
if(isset($_SESSION['username'])) {
echo "Your session is running " . $_SESSION['userName'];
}
$mysqli = new mysqli("localhost", "root", "", "travelagent");
if(isset($_POST['status']))
{
if (!isset($_SESSION["username"]))
{
$message = "please login!!";
echo "<script type='text/javascript'>alert('$message');</script>";
}
else
{
$id = mysqli_real_escape_string($mysqli, $_POST['id']);
$username=$_SESSION["username"];
$_SESSION['id']=$id;
$sql = "UPDATE product SET status='1' WHERE id='$id' " ;
if(mysqli_query($mysqli,$sql)==true){
$message = "added to cart!! ";
echo "<script type='text/javascript'>alert('$message');</script>";
$sql="INSERT INTO cart (user_name, product_id) VALUES ('$username','$id')";
$result=$mysqli->query($sql);
session_destroy();
}
}
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Polyworld Services</title>
<meta name="Description" content="Polyworld">
<meta name="viewport" content="width:device-width" initial-scale="1">
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<!-- Optional theme -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">
<!-- Latest compiled and minified JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
<script
src="https://code.jquery.com/jquery-2.2.4.js"
integrity="sha256-iT6Q9iMJYuQiMWNd9lDyBUStIq/8PuOW33aOqmvFpqI="
crossorigin="anonymous"></script>
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" integrity="sha384-wvfXpqpZZVQGK6TAh5PVlGOfQNHSoD2xbE+QkPxCAFlNEevoEH3Sl0sibVcOQVnN" crossorigin="anonymous">
<link href="css/bootstrap.min.css" rel="stylesheet">
<!-- Custom CSS -->
<link href="css/full-slider.css" rel="stylesheet">
<link rel="stylesheet" type="text/css" href="css/style.css">
</head>
<body data-spy="scroll" data-target="#my-navbar">
<?php
include'header.php';
?>
<h1 style="text-align:center;">Welcome to Manpower page</h1>
<div class="row" id="content">
<?php
$result=$mysqli->query("SELECT * FROM product WHERE category_id='1' AND sub_category_id='1' AND status='0'" );
while($row=$result->fetch_array())
{
?>
<div class="col-md-3">
<ul>
<li>picture : <?php echo "<img src='admin/".$row['image']. "' height='200' width='200'>"; ?> </li>
<li>Name: <?php echo $row['name']; ?></li>
<li>Description :<?php echo $row['description']; ?></li>
<li ><a href="#">Details</a></li>
<form action="" method="post">
<input type="text" name="id" value="<?php echo $row['id']; ?>">
<li><input type="submit" name="status" value="add to cart"></li></br>
</form>
</ul>
</div>
<?php
}
?>
</div>
<?php include'footer.php'; ?>
<script type="text/javascript">
</script>
</script>
<script type="text/javascript" src="js/custom.js">
</script>
<script src="js/jquery.js"></script>
<!-- Bootstrap Core JavaScript -->
<script src="js/bootstrap.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
</body>
</html>