批改状态:合格
老师批语:
<?php require_once "header.php" ?><!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>显示用户信息</title><link rel="stylesheet" href="bootstrap.css"><style>/* 1. 添加表格线,添加给单元格 */tbody td,th {border: 1px solid;}/* 2. 折叠表格线 */table {border-collapse: collapse;width: 90%;/* 对齐 */text-align: center;margin: 2em auto;}/* 标题 */table thead {background-color: lightskyblue;line-height: 80px;}table tbody{line-height: 80px;}tbody tr:nth-of-type(2n){background-color: #ddd;}.show h2{text-align: center;}</style></head><body><?phprequire_once "auto.php";$p=$_GET['p']??1;$count=5; //每页显示的记录条数$data=UserContr::GetAllUserPage($p,$count);//总记录行数$rowCount=UserContr::GetRowCount();$pages=ceil($rowCount/$count);?><div class="show"><h2>用户信息</h2><table><thead><tr><th><input type="checkbox" id="check_all"></th><th>ID</th><th>用户名</th><th>姓名</th><th>电话</th><th>邮箱</th><th>创建时间</th><th>最后登录时间</th><th>状态</th></tr></thead><tbody><?php foreach($data as $user): ?><tr><td><input type="checkbox" class="chk_item"></td><td class="id"><?=$user->id?></td><td><a href="edituser.php?id=<?=$user->id?>" title="点击修改用户信息" ><?=$user->account?></a></td><td><?=$user->name?></td><td><?=$user->phone?></td><td><?=$user->email?></td><td><?=date('Y-m-d',$user->createtime)?></td><td><?=date('Y-m-d',$user->updatetime)?></td><td><?=$user->state==1?'开启':'关闭'?></td></tr><?php endforeach ?></tbody><tfoot><tr><td colspan="9"><nav aria-label="..."><ul class="pagination"><li class="page-item <?=$p==1?'disabled':''?>"><a class="page-link" href="showuser.php?p=<?=$p-1 ?>" tabindex="-1" aria-disabled="true">上一页</a></li><?php for($i=1;$i<=$pages;$i++): ?><li class="page-item <?=$p==$i?'active':''?>"><a class="page-link" href="showuser.php?p=<?=$i ?>"><?=$i ?></a></li><?php endfor ?><li class="page-item <?=$p==$pages?'disabled':''?>"><a class="page-link " href="showuser.php?p=<?=$p+1 ?>">下一页</a></li></ul></nav></td></tr><tr><td colspan="3"><button onclick="del()">删除</button></td><td><a href="adduser.php">添加用户</a></td></tr></tfoot></table></div><script>const chkAll=document.querySelector("#check_all");const chkItems=document.querySelectorAll(".chk_item");chkAll.onchange=ev=>chkItems.forEach(item=>item.checked=ev.target.checked);chkItems.forEach(item=>item.onchange=()=>chkAll.checked=[...chkItems].every(item=>item.checked));function del(){if(confirm('您确定要删除这些用户吗?')){const chkItems=document.querySelectorAll(".chk_item");chkItems.forEach(item=>{if(item.checked){const id=item.parentElement.nextElementSibling.textContent;let isDel=delOpt(id);if(isDel){// console.log( item.parentElement.parentElement);item.parentElement.parentElement.remove();}}})}else{alert("NO");}}async function delOpt(id){const response = await fetch("del_user.php?id=" + id);const comments = await response.json();return comments;}</script><script src="./js/jquery-3.5.1.min.js"></script><script src="./js/bootstrap.bundle.js"></script></body></html>
<?phprequire_once "auto.php";class UserContr{// 分页显示public static function GetAllUserPage($p,$count){$start=($p-1)*$count;$sql="SELECT * FROM `php_user` LIMIT $start ,$count";$pdo =CreatePDO::Create();$pre=$pdo->prepare($sql);$exec=$pre->execute();$data = $pre -> fetchAll(PDO::FETCH_OBJ);return $data;}//记录行数public static function GetRowCount(){$sql="SELECT count(*) as rowCount FROM `php_user`";$pdo=CreatePDO::Create();$pre=$pdo->prepare($sql);$exec=$pre->execute();$res=$pre->fetch(PDO::FETCH_ASSOC);return $res['rowCount'];}}
<?phpclass CreatePDO{public static function Create(){try{$pdo = new PDO('mysql:host=127.0.0.1;dbname=prodb','root','123456');}catch(PDOException $e){// 抛出错误,错误是你可以定义的echo json_encode(['status'=>9,'msg'=>'数据库链接失败']);exit;}return $pdo;}}
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