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Collection
Collection
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>设备列表</title>
<link rel="stylesheet" type="text/css" href="css/main.css"/>
</head>
<body>
<?php
require 'lib/func_pdo.php';
require 'lib/func_paging.php';
$pdo = connect();
// 分页变量设置
$page = isset($_GET['page']) ? $_GET['page']:1; // 默认设置为第一页
$page = $page<=0 ? 1:$page; //如果get提交的page参数值小于等于0，设置默认页为1
// 每页显示的行数
$page_rownum = 5;
//获取返回数据和总行数
list($data,$rownum) = paging($pdo,'road','*',$where,'id','asc',$page,$page_rownum);
// 计算总页数
$pages = ceil($rownum/$page_rownum);
?>
<div class="main">
<table width="100%">
<tr>
<th>ID</th>
<th>路口名称</th>
<th>东</th>
<th>南</th>
<th>西</th>
<th>北</th>
<th>信号机</th>
<th>球机</th>
<th>工控机</th>
<th>操作</th>
</tr>
<?php
if ($data){
foreach ($data as $key=>$value){
echo '<tr>';
echo '<td>'.$value['id'].'</td>';
echo '<td>'.$value['road_name'].'</td>';
echo '<td style="text-align: center">'.$value['east_ip'].'</td>';
echo '<td style="text-align: center">'.$value['south_ip'].'</td>';
echo '<td style="text-align: center">'.$value['west_ip'].'</td>';
echo '<td style="text-align: center">'.$value['north_ip'].'</td>';
echo '<td style="text-align: center">'.$value['signal_ip'].'</td>';
echo '<td style="text-align: center">'.$value['ball_ip'].'</td>';
echo '<td style="text-align: center">'.$value['pc_ip'].'</td>';
echo "<td style='text-align: center'><a href='?id={$value['id']}'>修改</a> <a href='?id={$value['id']}'>删除</a></td>";
echo '</tr>';
}
}
?>
</table>
<p>
<!-- 首页、上一页-->
<?php if($page>1):?>
<a href="http://www.p.com:81/main.php?page=1">首页</a>
<a href="http://www.p.com:81/main.php?page=<?php echo ($page-1)<=0 ? 1:($page-1) ?>">上一页</a>
<?php endif; ?>
<!-- 中间数字页面-->
<?php for ($i=1;$i<=$pages;$i++): ?>
<a class = "<?php if($page==$i)echo 'active'; ?>" href="http://www.p.com:81/main.php?page=<?php echo $i ?>"><?php echo $i ?></a>
<?php endfor ?>
<!-- 下一页、尾页-->
<?php if($page<$pages):?>
<a href="http://www.p.com:81/main.php?page=<?php echo ($page+1)>$pages? $pages:($page+1) ?>">下一页</a>
<a href="http://www.p.com:81/main.php?page=<?php echo $pages ?>">尾页</a>
<?php endif; ?>
</p>
</div>
</body>
</html>点击 "运行实例" 按钮查看在线实例
<?php
if (!function_exists(paging)) {
function paging($pdo, $table, $fields = '*', $where = '', $order, $sort, $page = '1', $page_rownum = '5')
{
$offset = ($page - 1) * $page_rownum;
$limit = "$offset,$page_rownum";
$sql = 'SELECT ';
if (is_array($fields)) {
foreach ($fields as $field) {
$sql .= $field . ',';
}
} else {
$sql .= $fields;
}
$sql = rtrim(trim($sql), ',');
$sql .= " FROM {$table}";
if (!empty($where)) {
$sql .= " WHERE {$where}";
}
$sql .= " ORDER BY {$order} {$sort} LIMIT {$limit} ";
$sql2 = "SELECT count(*) from {$table};";
$sql = rtrim(trim($sql), ',') . ';';
$stmt = $pdo->prepare($sql);
$stmt2 = $pdo ->prepare($sql2);
// 执行
if ($stmt->execute() && $stmt2->execute()) {
if ($stmt->rowCount() > 0) {
$stmt->setFetchMode(PDO::FETCH_ASSOC);
$data = $stmt->fetchAll();
$row = $stmt2->fetchAll();
$row = $row[0]['count(*)'];
return [$data,$row];
}
} else {
return false;
}
}
}
?>点击 "运行实例" 按钮查看在线实例
