CI框架随记4

<?php
if(!isset($_SESSION)){
session_start();
}
$_SESSION['code'] = $cap['word'];
/**
*查询数据
*/
public function check(){
$this->db->where(array('username'=>$username))->get('admin')->result_array();
$this->db->get_where('admin',array('username'=>$username)->result_array();
}
?>
//在文件config.php文件中可以设置秘钥，这是CI框架提供的.
$config['encryption_key']='sdfsfsdfggsdfg';
// session存数组
$session=array(
'username'=>$username,
'uid' =>$uid,
);
存:
$this->session->set_userdata($session);
取:
$this->session->userdata($session);
/**
* 格式化时间
*/
<?php echo date('m-d',$this->session->userdata('logintime'))?>
/**
* 客户端IP，服务器信息，服务器环境
*/
<?php echo $this->input->ip_address() ?>
<?php echo $this->input->server('SERVER_SOFTWARE')?>
<?php echo PHP_VERSION ?>
/**
* 隐藏单入口(-)
*/

RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond $1 !^(index\.php|images|robots\.txt)
RewriteRule ^(.*)$ index.php/$1 [L]

$config['index_page']改为空值

$this->output->cache(1/60);