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批改状态：合格
老师批语：
总结：
连接数据库获取到全部的记录
导入分页函数库
调用分页函数
如果当前变成为了0,则强制修改为1,否则就是当前页数
如果大于总页数,则强制修改为总页数,否则就是当前页数
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
table tr td{
border: 1px solid black;
}
table tr th{
border: 1px solid black;
background-color: lightskyblue;
}
table{
border-collapse: collapse;
width: 70%;
margin: 30px auto;
text-align: center;
}
h4{
text-align: center;
}
a{
text-decoration: none;
margin-left: 10px;
}
a:hover,.active{
background-color: #f0f0f0;
font-size: 1.1em;
/*color: white;*/
}
form{
display: inline;
}
</style>
</head>
<body>
<?php
$db = mysqli_connect('127.0.0.1','root','123.');
mysqli_select_db($db,'php');
$num = 5;
$page = isset($_GET['p']) ? $_GET['p'] :1;
$offset = ($page-1) * $num;
$sql = "SELECT * FROM staff LIMIT {$offset},{$num};";
$res = mysqli_query($db,$sql);
$rows = mysqli_fetch_all($res,MYSQLI_ASSOC);
$number = mysqli_query($db,"SELECT COUNT(*) FROM staff");
list($total) = mysqli_fetch_row($number);
$pages = ceil($total / $num);
?>
<table>
<caption><h2>员工信息表</h2></caption>
<tr>
<th>id</th>
<th>姓名</th>
<th>性别</th>
<th>年龄</th>
<th>工资</th>
</tr>
<?php foreach ($rows as $row): ?>
<tr>
<td><?php echo $row['staff_id'] ?></td>
<td><?php echo $row['name'] ?></td>
<td><?php echo $row['sex'] ?></td>
<td><?php echo $row['age'] ?></td>
<td><?php echo $row['salary'] ?></td>
</tr>
<?php endforeach; ?>
</table>
<h4>
<?php if($page !=1): ?>
<a href="http://127.0.0.1/php/php_5.php?p=1">首页</a>
<a href="http://127.0.0.1/php/php_5.php?p=
<?php echo (($page-1)==0) ? 1 : ($page-1);
?>
">上一页</a>
<?php endif; ?>
<?php for ($i=1; $i <=$pages ; $i++): ?>
<a class="<?php if($page==$i) echo 'active';?>" href="http://127.0.0.1/php/php_5.php?p=<?php echo $i; ?>"><?php echo $i;?></a>
<?php endfor; ?>
<?php if($page !=$pages): ?>
<a href="http://127.0.0.1/php/php_5.php?p=
<?php echo (($page+1)>$pages) ? $pages : ($page+1);
?>">下一页</a>
<a href="http://127.0.0.1/php/php_5.php?p=
<?php echo ($pages);
?>">尾页</a>
<?php endif; ?>
<form action="" method="get">第
<select name="p" id="">
<?php for ($i=1; $i <=$pages ; $i++): ?>
<option value="<?php echo $i ?>"<?php if ($page==$i) echo 'selected'; ?>><?php echo $i ?></option>
<?php endfor; ?>
</select>页
<button>确定</button>
</form>
</h4>
</body>
</html>点击 "运行实例" 按钮查看在线实例
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