public function check_login()
{
// 验证码检测
if (strtoupper($_POST['verify']) != $_SESSION['verify']) {
echo my_error_msg('验证码错误！,请重试....', site_url('admin/login'), 5);
exit;
}
// 用户名和密码检测
if (empty($_POST['adminname']) || empty($_POST['pwd'])) {
echo my_error_msg('用户名或密码不能为空！', site_url('admin/login'), 5);
exit;
}
// 对比数据库
$admin_info = $this->login_m->check_admin_login($_POST['adminname'], $_POST['pwd']);
if (empty($admin_info)) {
echo my_error_msg('登入用户名错误，或密码错误！', site_url('admin/login'), 5);
exit;
} else {
// 更新登入时间及ip
$updata_login = $this->login_m->update_admin_login($admin_info['id'], $admin_info['login_time'], $admin_info['login_ip']);
// 将数据写入Session
$add_session_data = array('admin_id' => $admin_info['id'], 'admin_name' => $admin_info['admin_name']);
// 通过ci session类添加数据
$this->session->set_userdata($add_session_data);
// 设置session有效时间
$this->session->mark_as_temp(array('admin_id', 'admin_name'), 1800);
echo my_success_msg('登入成功！正在为你跳转....', site_url('admin/home'), 2);
exit;
}
}
public function __construct()
{
parent::__construct();
//p($_SESSION);die;
$admin_id = $this->session->userdata('admin_id');
$admin_name = $this->session->userdata('admin_name');
// 检测用户登入session是否存在
if (!isset($admin_id) || !isset($admin_name)) {
echo my_error_msg('请登入后再操作！', site_url('admin/login'), 5);
exit;
}
}
