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php简单分页功能实现
咸鱼梦
Original
957 people have browsed it

效果图:

QQ截图20180106170901.png

php:

<?php
//引入公用头部页面
include 'public/header.php';
header('Conncet-type:text/html;charset=urf-8');
//获取get
$page = isset($_GET['p']) ? $_GET['p'] : 1;
//每页显示数据条数
$num = 4;
//分页页数
$offset = ($page-1)*$num;
//连接数据库,创建pdo对象
$pdo = new PDO('mysql:dbname=demo','root','root');
//创建sql查询语句
$sql = "SELECT * FROM `user` LIMIT :offset,:num";
//执行sql查询语句,创建一个PDOStatement对象
$pdoStmt = $pdo->prepare($sql);
//绑定参数 bindParam()
$pdoStmt->bindParam(':offset',$offset,PDO::PARAM_INT);
$pdoStmt->bindParam(':num',$num,PDO::PARAM_INT);
//执行PDOStatement对象
$pdoStmt->execute();
//循环遍历数据
echo '<table class="table table-bordered table-hover text-center">';
	echo '<h3 class="text-center">用户信息表</h3>';
	echo '<tr><td>ID</td><td>用户名</td><td>邮箱</td><td>密码</td></tr>';
	foreach  ($pdoStmt as $row) {
		echo '<tr>';
		echo '<td>'.$row['id'].'</td><td>'.$row['name'].'</td><td>'.$row['email'].'</td><td>'.$row['password'].'</td>';
		echo '</tr>';
	}
echo '</table>';

//创建sql查询语句
$sql2 = "SELECT * FROM `user`";
//执行sql查询语句,创建一个PDOStatement对象
$pdoStmt2 = $pdo->prepare($sql2);
//执行PDOStatement对象
$pdoStmt2->execute();
//echo '表中共有:'.$pdoStmt2->rowCount();
$totalPage = ceil($pdoStmt2->rowCount()/$num); //ceil()向上取整
//上一页
$page = ($page == 0) ? 1 : $page;
//下一页
$page = ($page == $totalPage) ? ($totalPage-1) : $page;

//分页条
echo '<ul class="pagination" id="page">';
	echo '<li><a href="http://localhost/php/pdo_y_f.php?p=1">首页</a></li>';
	echo '<li><a aria-label="Previous" href="http://localhost/php/pdo_y_f.php?p=';
	echo (($page-1)==0)?1:($page-1);
	echo '">上一页</a></li>';
	for ($i=1;$i<=$totalPage;$i++) {
		echo '<li><a href="http://localhost/php/pdo_y_f.php?p='.$i.'">'.$i.'</a></li>';
	}
	echo '<li><a aria-label="Next" href="http://localhost/php/pdo_y_f.php?p='.($page+1).'">下一页</a>';
	echo '<li><a href="http://localhost/php/pdo_y_f.php?p='.$totalPage.'">尾页</a></li>';
echo '</ul>';
//引入公用底部页面
include 'public/footer.php';


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