$page = isset($_GET['p'])? $_GET['p']:1;
$page = ($page == 0 ) ? 1 : $page;
$num = 5;
$offset = ($page-1)*$num;
//1.获取到所有数据,用表格显示出来
$pdo = new PDO('mysql:host=localhost;dbname=php','root', 'root');
//$sql = "SELECT id,name,email FROM user1 LIMIT 0,3";
$sql = "SELECT `staff_id`,`name`,`sex`,`age`,`salary` FROM `staff` LIMIT :offset, :num";
$stmt = $pdo->prepare($sql);
$stmt->bindParam(':offset', $offset, PDO::PARAM_INT);
$stmt->bindParam(':num', $num, PDO::PARAM_INT);
$stmt->execute();
$stmt->setFetchMode(PDO::FETCH_ASSOC);
$res = $stmt->fetchAll();
echo '<h2 align="center">员工信息表</h2>';
echo '<table border="1" cellspacing="0" cellpadding="5" width="70%" align="center">';
echo '<tr bgcolor="lightgreen"><th>ID</th><th>用户名</th><th>性别</th><th>年龄</th><th>工资</th></tr>';
foreach ($res as $row) {
echo '<tr align="center">';
echo '<td>'.$row['staff_id'].'</td><td>'.$row['name'].'</td>';
$row['sex'] = $row['sex']==0 ? '男' : '<span style="color:red">女</span>';
echo '<td>'.$row['sex'].'</td>';
echo '<td>'.$row['age'].'</td><td>'.$row['salary'].'</td>';
echo '</tr>';
}
echo '</table>';
//计算共计多少页?
$stmt2 = $pdo->prepare("SELECT * FROM staff");
$stmt2->execute();
$totalPage = ceil($stmt2->rowCount() / $num);
$page = ($page == $totalPage) ? ($totalPage-1) : $page;
echo '<style>a {margin-left: 10px;text-decoration: none}a:hover{color:red}</style>';
echo '<h3 align="center">';
echo '<a href="http://php.io/0427/page.php?p=1">首页</a>';
echo '<a href="http://php.io/0427/page.php?p=';
echo (($page-1)==0)?1:($page-1);
echo '">上一页</a>';
for ($i=1; $i<=$totalPage; $i++) {
echo '<a href="http://php.io/0427/page.php?p='.$i.'">'.$i.'</a>';
}
echo '<a href="http://php.io/0427/page.php?p='.($page+1).'">下一页</a>';
echo '<a href="http://php.io/0427/page.php?p='.$totalPage.'">尾页</a>';
echo '</h3>';
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