织梦tags.php

<?php
// 数据库连接示例
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database_name";

$conn = new mysqli($servername, $username, $password, $dbname);

if ($conn->connect_error) {
    die("连接失败: " . $conn->connect_error);
}

// 查询标签列表
$sql = "SELECT * FROM tags";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
    while($row = $result->fetch_assoc()) {
        echo "标签: " . $row["tag_name"] . "<br>";
    }
} else {
    echo "0 结果";
}
$conn->close();
?>

<?php
// 根据标签显示内容示例
$tag = $_GET['tag'];

$sql = "SELECT * FROM articles WHERE tags LIKE '%$tag%'";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
    while($row = $result->fetch_assoc()) {
        echo "标题: " . $row["title"] . "<br>";
        echo "内容: " . $row["content"] . "<br><br>";
    }
} else {
    echo "没有找到相关内容";
}
$conn->close();
?>