>我创建了一个链接
echo '<a href="description.php?id='.$dash.'" >'."<strong>$name</strong>".'</a>';
这有效,但将我带到空白页(描述.php)
这是我尝试过的代码,没有显示任何内容。
if (isset($_GET['$name'])) {
$result = $_GET['$name'];
$sql = "SELECT PedalID, Manufacturer, ProductName FROM PedalDirectory";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
// output data of each row
while($row = $result->fetch_assoc()) {
echo "id: " . $row["PedalID"]. " - Name: " . $row["ProductName"]. " " . $row["Manufacturer"]. "<br>";
}
} else {
echo "0 results";
}
$conn->close();
}
任何人都可以提供一些关于为什么此代码不显示结果的见解吗?
看起来您的链接正在发送$_GET['id']
但您引用的是$_GET['$name']
你的代码应该是
<?php
if (isset($_GET['id'])) {
$result = $_GET['id'];
$sql = "SELECT PedalID, Manufacturer, ProductName FROM PedalDirectory";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
// output data of each row
while($row = $result->fetch_assoc()) {
echo "id: " . $row["PedalID"]. " - Name: " . $row["ProductName"]. " " . $row["Manufacturer"]. "<br>";
}
} else {
echo "0 results";
}
$conn->close();
}
?>