編輯表中的字段對我來說變得很頭疼,因爲我找不出簡單的解決方案。我的眼睛找不到我的問題原因。數據庫功能的更新不起作用。
這是我的PHP爲viewproducts.phpPHP編輯不工作
<?php
$result = mysql_query("SELECT * FROM products ")
or die(mysql_error()); ;
if (mysql_num_rows($result) == 0) {
echo 'There Arent Any Products';
} else {
echo "<table border='1' width=100%><tr><th>Product Name</th><th>Description</th><th>Price</th><th>Image</th><th>Edit</th><th>Delete</th>";
while($info = mysql_fetch_array($result))
{
echo "<tr>";
echo "<td>" . $info['name']. "</td>";
echo "<td>" . $info['description']. "</td>";
echo "<td>£" .$info['price']." </td>";
echo "<td>" . "<img src='../getImage.php?id=" . $info['serial'] ."'/></td>";
echo '<td> <a href="edit.php?product_id=' . $info['serial'] . '">Edit</a></td>';
}
}
echo "</tr>";
echo "</table>";
?>
這裏是我的edit.php頁:
<?php
$id = $_GET['product_id'];
$query = mysql_query("SELECT * FROM products WHERE serial = '$id'")
or die(mysql_error());
while($info = mysql_fetch_array($query)) {
echo "";
$name = $info['name'];
$description = $info['description'];
$price = $info['price'];
$picture = $info['picture'];
}
?>
<form action="editsuccess.php" method="post">
Product ID:<br/>
<input type="text" value="<?php echo $id;?>" name="serial" disabled/>
<br/>
Name:<br/>
<input type="text" value="<?php echo $name;?>" name="name"/>
<br/>
Description:<br/>
<input type="text" value="<?php echo $description;?>" name="description"/>
<br/>
Price:<br/>
<input type="text" value="<?php echo $price;?>" name="price"/>
<br/>
Picture:<br/>
<? echo'<img src="../getImage.php?id=' . $info['serial'] .'"/>'?>
</br>
<input type="submit" value="Update Product"/>
</form>
最後這裏是我的editsuccess.php頁:
<?php
session_start();
require_once '../includes/db.php';
$id = $_REQUEST['product_id'];
$name = $_POST['name'];
$description = $_POST['description'];
$price = $_POST['price'];
$info = "UPDATE products SET name='$name', description ='$description', price ='$price' WHERE serial ='$id'";
mysql_query($info) or die ("Error: ".mysql_error());
echo "Database updated.";
?>
任何幫助傢伙?
[**請不要在新代碼中使用'mysql_ *'函數**](http://bit.ly/phpmsql)。他們不再被維護,[棄用過程](http://j.mp/Rj2iVR)已經開始。看到[**紅框**](http://j.mp/Te9zIL)?學習[*準備的語句*](http://j.mp/T9hLWi),並使用[PDO](http://php.net/pdo)或[MySQLi](http://php.net/ mysqli) - [這篇文章](http://j.mp/QEx8IB)將幫助你決定哪個。如果你選擇PDO,[這裏是一個很好的教程](http://j.mp/PoWehJ)。 –