mysqli 输出表格

<?php
$host = "localhost";
$user = "username";
$password = "password";
$database = "database_name";

// 创建连接
$mysqli = new mysqli($host, $user, $password, $database);

// 检查连接
if ($mysqli->connect_error) {
    die("连接失败: " . $mysqli->connect_error);
}

// 执行查询
$sql = "SELECT id, name, email FROM users";
$result = $mysqli->query($sql);

// 输出表格
if ($result->num_rows > 0) {
    echo "<table border='1'>
            <tr>
                <th>ID</th>
                <th>Name</th>
                <th>Email</th>
            </tr>";
    while ($row = $result->fetch_assoc()) {
        echo "<tr>
                <td>" . $row["id"] . "</td>
                <td>" . $row["name"] . "</td>
                <td>" . $row["email"] . "</td>
              </tr>";
    }
    echo "</table>";
} else {
    echo "0 结果";
}

// 关闭连接
$mysqli->close();
?>