后台登陸頁login.php
<?php //1.連接數據庫 (創建一個數據庫,創建數據表 test_admin) //id, adminuser, adminpass, created_at, login_at, login_ip require '../db.func.php'; require '../tools.func.php'; // POST提交 if (!empty($_POST['adminuser'])) { //2.查詢用戶名和密碼是否正確 adminuser adminpass $prefix = getDBPrefix(); $adminuser = htmlentities($_POST['adminuser']); $adminpass = md5(htmlentities($_POST['adminpass'])); $sql = "SELECT id, adminuser FROM {$prefix}admin WHERE adminuser = '$adminuser' AND adminpass = '$adminpass'"; $res = queryOne($sql); if ($res) { //3.寫入session setSession('admin', ['adminuser' => $adminuser, 'id' => $res['id']] ); $login_at = date('Y-m-d H:i:s'); $ip = $_SERVER['REMOTE_ADDR'] == '::1' ? '127.0.0.1' : $_SERVER['REMOTE_ADDR']; $login_ip = ip2long($ip); $sql = "UPDATE {$prefix}admin SET login_at = '$login_at', login_ip = '$login_ip' WHERE id = '{$res['id']}'"; execute($sql); //4.跳轉到index.php header('location: index.php'); } else { setInfo('用戶名或者密碼錯誤'); } } ?> <!doctype html> <html> <head> <title>商城</title> <!-- Required meta tags --> <meta charset="utf-8"> <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" name="viewport" /> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" /> <!-- Fonts and icons --> <link rel="stylesheet" type="text/css" href="assets/css/googlefonts.css?family=Roboto:300,400,500,700|Roboto+Slab:400,700|Material+Icons" /> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/latest/css/font-awesome.min.css"> <!-- Material Kit CSS --> <link href="assets/css/material-dashboard.css?v=2.1.1" rel="stylesheet" /> </head> <body> <div class="wrapper "> <div> <div> <div class="container" style="width: 50%;margin-top: 250px;"> <div class="row"> <div class="col-md-12"> <div class="col-md-12"> <div class="card"> <div class="card-header card-header-primary"> <h4 class="card-title">登錄</h4> <p class="card-category">以管理員身份登錄后台</p> </div> <div class="card-body"> <p><?php if (hasInfo()) echo getInfo(); ?></p> <form action="login.php" method="post"> <div class="row"> <div class="col-md-12"> <div class="form-group"> <label class="bmd-label-floating">用戶名</label> <input type="text" name="adminuser" class="form-control"> </div> </div> </div> <div class="row"> <div class="col-md-12"> <div class="form-group"> <label class="bmd-label-floating">密碼</label> <input type="password" name="adminpass" class="form-control"> </div> </div> </div> <button type="submit" class