<div class="container">
<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post" complete="on">
<?php if (isset($error_msg)): ?>
<div class="alert alert-danger" role="alert"><?php echo $error_msg; ?></div>
<?php endif ?>
<?php if (isset($success_msg)): ?>
<div class="alert alert-info" role="alert"><?php echo $success_msg; ?></div>
<?php endif ?>
<div class="form-group">
<label for="administrator">管理员账户(11位手机号码即可)</label>
<input type="number" class="form-control" name="administrator" id="administrator" value="<?php echo isset($_POST['administrator']) ? $_POST['administrator'] : ''; ?>">
</div>
<div class="form-group">
<label for="password">密码</label>
<input type="password" name="password" id="password" class="form-control" value="<?php echo isset($_POST['password']) ? $_POST['password'] : ''; ?>">
</div>
<div class="form-group">
<label for="check-pwd">确认密码</label>
<input type="password" name="check-pwd" id="check-pwd" class="form-control">
</div>
<button class="btn btn-info btn-block btn-md">注册</button>
</form>
</div>
<link rel="stylesheet" type="text/css" href="css/Bootstrap.css">
<style type="text/css">
.container {
margin-top: 100px;
}
</style>
function register () {
$connection = mysqli_connect('localhost', 'root', '密码', 'students_info_system');
if (!$connection) {
$GLOBALS['error_msg'] = '连接数据库失败';
return;
}
$query = mysqli_query($connection, 'select * from administrators');
if (!$query) {
$GLOBALS['error_msg'] = '查询数据失败';
return;
}
while ($administrator = mysqli_fetch_assoc($query)) {
$administrators[] = $administrator;
}
// var_dump($administrators);
// 获取数据库中已经注册的账号
for ($i = 0; $i < count($administrators); $i++) {
$administrator[] = $administrators[$i]['administrator'];
}
if (empty($_POST['administrator'])) {
$GLOBALS['error_msg'] = '请输入管理员账户';
return;
}
if (strlen($_POST['administrator']) !== 11) {
$GLOBALS['error_msg'] = '您输入的管理员账户不符合相关规定,请重新输入';
$_POST['administrator'] = '';
return;
}
// 判断该账号是否已被注册
if (in_array($_POST['administrator'], $administrator)) {
$GLOBALS['error_msg'] = '该账号已被注册,请另起账号';
return;
}
if (empty($_POST['password'])) {
$GLOBALS['error_msg'] = '请输入密码';
return;
}
if (empty($_POST['check-pwd'])) {
$GLOBALS['error_msg'] = '请确认密码';
return;
}
if ($_POST['check-pwd'] !== $_POST['password']) {
$GLOBALS['error_msg'] = '两次密码输入不一致,请重新确认密码';
return;
}
$administrator = $_POST['administrator'];
$password = $_POST['password'];$query = mysqli_query($connection, "insert into administrators values ({$administrator}, '{$password}