CodeIgniter

Controllers

//IP地址
service('request')->getIPAddress();

//COOKIE
if($current_op == 'search') {
    $postdata['newssetting']['like'] = array(
        'skey' => $this->request->getVar('skey'),
        'svalue' = $this->request->getVar('svalue'),
        'sdisplay' => $this->request->getVar('sdisplay'),
    );
    set_cookie("_ha_searchcookie", serialize($postdata), '600');
} elseif(get_cookie('_ha_searchcookie')) {
    //读取COOKIE的值
    $searchcookie = unserialize(get_cookie('_ha_searchcookie'));
    //COOKIE中，包含该数组，则显示，否则不显示
    if(array_key_exists('newssetting', $searchcookie)) {
        $postdata = $searchcookie;
    }
}

//使用 base64_encode 加密，使用 base64_decode 解密

//写入文件
$fp = fopen($file_controllers, 'w');
fwrite($fp, $data);
fclose($fp);

Models

public function jxcordersdetails_crud_orders($op = 'insert', $id = 0)
{
    $builder = $this->db->table('jxclogs');
    //影响的数据库数组
    $posts = [
        //'lognotes' => service('request')->getVar('lognotes'),
        'lognotes' => '',
        'logdateline' => time(),
        'loglastip' => service('request')->getIPAddress(),
    ];
    if ($op == 'insert') {
        $builder->insert($posts);
        //$newid = $this->table('jxclogs')->insertID();
        $newid = $this->insertID();
        return $newid;
    }
    if ($op == 'update' && $id) {
        $this->update($id, $posts);
        return $id;
    }
    return 0;
}

$this->set('omoney', 'omoney+'.$newposts['dtotal'], FALSE);

$builder->set('field', 'field+1', FALSE);
$builder->where('id', 2);
$builder->update();

$timestamp = time();
$times = date('Y-md-d H:i:s', $timestamp);
$timestamp = strtotime($times);

Views

<p class="text-danger">Text red to emphasize danger</p>
<p class="lead">Lead to emphasize importance</p>
<p class="text-success">Text green to emphasize success</p>
<p class="text-info">Text aqua to emphasize info</p>
<p class="text-primary">Text light blue to emphasize info (2)</p>
<p class="text-danger">Text red to emphasize danger</p>
<p class="text-warning">Text yellow to emphasize warning</p>
<p class="text-muted">Text muted to emphasize general</p>

<button type="button" class="btn btn-block btn-default">Default</button>
<button type="button" class="btn btn-block btn-primary">Primary</button>
<button type="button" class="btn btn-block btn-secondary">Secondary</button>
<button type="button" class="btn btn-block btn-success">Success</button>
<button type="button" class="btn btn-block btn-info">Info</button>
<button type="button" class="btn btn-block btn-danger">Danger</button>
<button type="button" class="btn btn-block btn-warning">Warning</button>
<button type="button" class="btn btn-block btn-light">Light</button>
<button type="button" class="btn btn-block btn-dark">Dark</button>
class可以继续增加:    btn-lg    btn-sm    btn-xs    btn-flat    disabled
class可以换成下面的，同样可以增加上面一行的class:
btn btn-block btn-default
btn btn-block btn-outline-primary btn-lg
btn btn-block bg-gradient-primary