php分页代码怎么编写

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下面是一个简单的 PHP 分页代码示例：

<?php
// 连接数据库 
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "database";

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

// 检查连接是否成功 
if ($conn->connect_error) {die(" 连接失败: " . $conn->connect_error);
}

// 获取当前页数和每页显示的记录数 
$page = isset($_GET['page']) ? $_GET['page'] : 1;
$records_per_page = 10;
$offset = ($page - 1) * $records_per_page;

// 查询数据库中的记录 
$sql = "SELECT * FROM table_name LIMIT $offset, $records_per_page";
$result = $conn->query($sql);

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

// 计算总记录数和总页数 
$total_records = mysqli_num_rows(mysqli_query($conn, "SELECT * FROM table_name"));
$total_pages = ceil($total_records / $records_per_page);

// 显示分页链接 
for ($i=1; $i<=$total_pages; $i++) {echo "<a href='index.php?page=$i'>$i</a> ";
}

// 关闭数据库连接 
$conn->close();
?>