这是显示页面的错误。我找不到任何线索，为什么显示这些错误。图像文件未复制图像文件夹。
注意：未定义的索引：C：\xampp\htdocs\Project\Manpower.php 第 36
中为空
行的图像 注意：未定义的索引：C：\xampp\htdocs\Project\Manpower.php 中的图像在第 38
行 警告：copy((：文件名不能在第 38 行的 C：\xampp\htdocs\Project\Manpower.php
<?php
include_once'db_connect.php';
session_start();
$mysqli = new mysqli("localhost", "root", "", "travelagent");
if(isset($_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)
{
$image_path= mysqli_real_escape_string( $mysqli ,'images/'.$_FILES['image']['name']);
if(copy($_FILES['image']['tmp_name'],$image_path))
{
$_SESSION['image']=$image_path;
$image=$_SESSION['image'];
$sql="INSERT INTO cart (user_name, product_id,image) VALUES ('$username','$id','$image')";
$result=$mysqli->query($sql);
$message = "added to cart!! ";
echo "<script type='text/javascript'>alert('$message');</script>";
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']; ?>">
<input type="hidden" name="image" value="<?php echo $row['image']; ?>">
<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>
尝试此代码上传文件
$dir="image/";//name of the folder where the file need to be copied
$file=$dir . basename($_FILES["photo"]["name"]);// where 'photo' is the field name of file input
$filetype=pathinfo($file,PATHINFO_EXTENSION);
if(move_uploaded_file($_FILES["photo"]["tmp_name"], $file)) {
echo "upload success";
}