PHP实现分页功能的完整教程

<?php
$servername = "localhost";
$username = "root";
$password = "password";
$dbname = "myDB";

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

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

<?php
$sql = "SELECT COUNT(*) as total FROM users";
$result = $conn->query($sql);
$row = $result->fetch_assoc();
$total_records = $row['total'];
$records_per_page = 10;
$total_pages = ceil($total_records / $records_per_page);
?>

<?php
$current_page = isset($_GET['page']) ? $_GET['page'] : 1;
$start = ($current_page - 1) * $records_per_page;
$sql = "SELECT * FROM users LIMIT $start, $records_per_page";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
    while ($row = $result->fetch_assoc()) {
        echo "ID: " . $row["id"] . " - Name: " . $row["name"] . "<br>";
    }
} else {
    echo "0 结果";
}
?>

<?php
for ($i = 1; $i <= $total_pages; $i++) {
    echo "<a href='?page=$i'>$i</a> ";
}
?>