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本示例Codeigniter注册登录代码源自一个codeigniter的项目，现分享下~
由于使用了 Active Record 类，一般数据库操作只有两层，即是C和V
controllers/login.php文件：
复制代码 代码如下:<?php
class Login extends CI_Controller {
private $pass = '';
public function __construct() {
parent::__construct ();
$this->load->helper ( array (
'form',
'url'
) );
$this->load->library('session');
}
public function index() {
$this->load->view ( 'login' );
}
public function formsubmit() {
$this->load->library ( 'form_validation' );
$this->form_validation->set_rules ( 'username', 'Username', 'required' );
$this->form_validation->set_rules ( 'password', 'Password', 'required' );
if ($this->form_validation->run () == FALSE) {
$this->load->view ( 'login' );
} else {
if (isset ( $_POST ['submit'] ) && ! empty ( $_POST ['submit'] )) {
$data = array (
'user' => $_POST ['username'],
'pass' => md5($_POST ['password'])
);
$newdata = array(
'username' => $data ['user'] ,
'userip' => $_SERVER['REMOTE_ADDR'],
'luptime' =>time()
);
if ($_POST ['submit'] == 'login') {
$query = $this->db->get_where ( 'uc_user', array (
'user' => $data ['user']
), 1, 0 );
foreach ( $query->result () as $row ) {
$pass = $row->pass;
}
if ($pass == $data ['pass']) {
$this->session->set_userdata($newdata);
$this->load->view ( 'usercenter', $data );
}
} else if ($_POST ['submit'] == 'register') {
$this->session->set_userdata($newdata);
$this->db->insert ( 'uc_user', $data );
$this->load->view ( 'usercenter', $data );
} else {
$this->session->sess_destroy();
$this->load->view ( 'login' );
}
}
}
}
}
views/login.php文件：
复制代码 代码如下:<html>
<?php echo validation_errors(); ?>
<?php echo form_open('login/formsubmit'); ?>
<table>
<tr>
<td>用户名</td>
<td><input type="text" name="username"></td>
</tr>
<tr>
<td>密码</td>
<td><input type="password" name="password"></td>
</tr>
<tr>
<td>
<input type="submit" name="submit" value="login">
</td>
<td>
<input type="submit" name="submit" value="register">
</td>
</tr>
</table>
</form>
</html>
sql语句：
uc_user：复制代码 代码如下: CREATE TABLE `uc_user` (
`id` int(11) unsigned zerofill NOT NULL AUTO_INCREMENT,
`user` varchar(20) NOT NULL,
`pass` char(32) NOT NULL,
`role` enum('root','normal') NOT NULL DEFAULT 'root',
`del` decimal(1,0) NOT NULL DEFAULT '0',
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=latin1
php技术：Codeigniter注册登录代码示例，转载需保留来源！
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