在单个php页面中显示每个sql db行。

<?php
// 连接到数据库
$servername = "数据库主机名";
$username = "数据库用户名";
$password = "数据库密码";
$dbname = "数据库名称";

$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
    die("连接数据库失败: " . $conn->connect_error);
}

// 执行SQL查询
$sql = "SELECT * FROM 表名";
$result = $conn->query($sql);

// 处理查询结果并显示数据
if ($result->num_rows > 0) {
    echo "<table>";
    echo "<tr><th>ID</th><th>姓名</th><th>年龄</th></tr>";
    while ($row = $result->fetch_assoc()) {
        echo "<tr>";
        echo "<td>" . $row["id"] . "</td>";
        echo "<td>" . $row["name"] . "</td>";
        echo "<td>" . $row["age"] . "</td>";
        echo "</tr>";
    }
    echo "</table>";
} else {
    echo "没有数据";
}

// 关闭数据库连接
$conn->close();
?>