-3
일부 편집 기능을 만들었습니다. 제출 단추를 누르면 양식이 새로 고쳐지고 양식에 입력 한 새로운 정보로 데이터베이스가 업데이트되지 않습니다.PHP - 양식을 제출할 때 데이터베이스 업데이트
내 edit_options.php이 작동하지 않는 문제를 찾을 수 없습니다.
삽입 부분 .... 포함 된 헤더 기능
// check if the form has been submitted. If it has, process the form and save it to the database
if (isset($_POST['submit'])){
// confirm that the 'id' value is a valid integer before getting the form data
if (is_numeric($_POST['id'])){
// get form data, making sure it is valid
$id = $_POST['id'];
$option_name = mysql_real_escape_string($_POST['option_name']);
$option_value = mysql_real_escape_string($_POST['option_value']);
// check that prodname/color fields are both filled in
if ($option_name == '' || $option_value == '')
{
// generate error message
$error = 'ERROR: Please fill in all required fields!';
//error, display form
renderForm($id, $option_name, $option_value, $error);
}
else
{
// save the data to the database
mysql_query("UPDATE options SET option_name='$option_name', option_value='$option_value' WHERE option_id='$id'")
or die(mysql_error());
// once saved, redirect back to the view page
header("Location: view_products.php");
}
} else{
// if the 'id' isn't valid, display an error
echo 'Error: Ogiltigt ID!';
}
}
// if the form hasn't been submitted, get the data from the db and display the form
else{
// get the 'id' value from the URL (if it exists), making sure that it is valid (checing that it is numeric/larger than 0)
if (isset($_GET['id']) && is_numeric($_GET['id']) && $_GET['id'] > 0){
// query db
$id = $_GET['id'];
$result = mysql_query("SELECT * FROM options WHERE option_id=$id")
or die(mysql_error());
$row = mysql_fetch_array($result);
// check that the 'id' matches up with a row in the databse
if($row){
// get data from db
$name = $row['option_name'];
$option_value = $row['option_value'];
// show form
renderForm($id, $name, $option_value, '');
}
else
// if no match, display result
{
echo "No results!";
}
}
else
// if the 'id' in the URL isn't valid, or if there is no 'id' value, display an error
{
echo 'Error: ID saknas eller är ogiltigt';
}
}
FORM ...
<?php
session_start();
if(!isset($_SESSION['myusername'])){
header("location:login.php");
}
//kollar om användaren är inloggad och har adminbehörigheter annars skickas personen till inloggningsidan
if(isset($_SESSION['permission']) && $_SESSION['permission'] >= 4){
}
else{
header("location:login.php");
}
// connect to the database
include '/include/config.php';
// get results from database
$result = mysql_query("SELECT * FROM options")
or die(mysql_error());
function renderForm($id, $option_name, $option_value, $error)
{
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<html lang="sv">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Ändra inställning - Petrolia Lagersystem</title>
<!-- Core CSS - Include with every page -->
<link href="css/bootstrap.min.css" rel="stylesheet">
<link href="font-awesome/css/font-awesome.css" rel="stylesheet">
<link href="css/custom-style.css" rel="stylesheet">
<!-- Page-Level Plugin CSS - Blank -->
<!-- SB Admin CSS - Include with every page -->
<link href="css/sb-admin.css" rel="stylesheet">
</head>
<body>
<div id="wrapper">
<?php include "top_menu.php"; ?>
<?php include "side_menu.php"; ?>
<div id="page-wrapper">
<div class="row">
<div class="col-lg-12">
<h1 class="page-header">Inställningar</h1>
<?php // if there are any errors, display them
if ($error != '')
{
echo '<div style="padding:4px; border:1px solid red; color:red;">'.$error.'</div>';
}
?>
<form action="" method="post">
<input type="hidden" name="id" value="<?php echo $id; ?>"/>
<div>
<p><strong>ID:</strong> <?php echo $id; ?></p>
<strong>Inställning: *</strong> <input class="form-control" type="text" name="option_name" value="<?php echo $option_name; ?>"/><br/>
<strong>Värde: *</strong> <input class="form-control" type="text" name="option_value" value="<?php echo $option_value; ?>"/><br/>
<p>* obligatoriskt</p>
<button type="submit" class="btn btn-primary"><i class="fa fa-save fa-fw"></i>Spara ändring</button>
</div>
</form>
</div>
<!-- /.col-lg-12 -->
</div>
<!-- /.row -->
</div>
<!-- /#page-wrapper -->
</div>
<!-- /#wrapper -->
<!-- Core Scripts - Include with every page -->
<script src="js/jquery-1.10.2.js"></script>
<script src="js/bootstrap.min.js"></script>
<script src="js/plugins/metisMenu/jquery.metisMenu.js"></script>
<!-- Page-Level Plugin Scripts - Blank -->
<!-- SB Admin Scripts - Include with every page -->
<script src="js/sb-admin.js"></script>
<!-- Page-Level Demo Scripts - Blank - Use for reference -->
</body>
</html>
<?php
}
너무 섞여서 정리해야합니다. –