/**
* 每个请求层，最终被调用的方法
*
* @return mixed
*/
public function handle()
{
Base::getLog()->debug(__METHOD__ . ' handle main flow - start');
if (!Route::exists('default')) {
Base::getLog()->debug(__METHOD__ . ' set default route');
Route::set('default', '(<controller>(/<action>(/<id>)))')->defaults(['controller' => 'Site', 'action' => 'index']);
}
$this->flow->contexts['uri'] = Url::detectUri();
Base::getLog()->debug(__METHOD__ . ' handle main flow - end');
}
/**
* 跳转到指定URI
*
* @param string $uri
* @return $this
*/
public function location($uri = null)
{
if (null === $uri) {
return $this->headers('Location');
}
if (false === strpos($uri, '://')) {
$uri = Url::site($uri, true, !empty(Base::$indexFile));
}
$lastTime = gmdate("D, d M Y H:i:s", time()) . ' GMT+0800';
$this->headers('Cache-Control', 'no-cache');
$this->headers('Last Modified', $lastTime);
$this->headers('Last Fetched', $lastTime);
$this->headers('Expires', 'Thu Jan 01 1970 08:00:00 GMT+0800');
$this->headers('Location', $uri);
return $this;
}
/**
* 根据指定的路由返回URL，等同于下面的代码：
*
* echo URL::site(Route::get($name)->uri($params), $protocol);
*
* @param string $name 路由名
* @param array $params URI参数
* @param mixed $protocol 协议字符串、布尔值、等等
* @return string
*/
public static function url($name, array $params = null, $protocol = null)
{
$route = Route::get($name);
return $route->isExternal() ? $route->uri($params) : Url::site($route->uri($params), $protocol);
}
/**
* {@inheritdoc}
*/
public function redirect($uri = '', $code = 302)
{
Base::getLog()->debug(__METHOD__ . ' redirect page', ['url' => $uri, 'code' => $code]);
if (false === strpos($uri, '://')) {
$uri = Url::site($uri, true, !empty(Base::$indexFile));
}
$lastTime = gmdate("D, d M Y H:i:s", time()) . ' GMT+0800';
$this->header('Cache-Control: no-cache');
$this->header('Last Modified: ' . $lastTime);
$this->header('Last Fetched: ' . $lastTime);
$this->header('Expires: Thu Jan 01 1970 08:00:00 GMT+0800');
$this->header('Location: ' . $uri);
$this->code($code);
$this->end();
}
/**
* 创建一个当前请求的URL
*
* @param mixed $protocol 协议字符串
* @return string
*/
public function url($protocol = null)
{
return Url::site($this->uri, $protocol);
}