Codeigniter 路由配置用于路由模块/控制器/方法/变量模式。
我认为,域/子域从此配置中消失,但是您可以使用基于 $_SERVER 变量的动态 base_url,然后从特定控制器获取字符串(子域)。
根据我的配置,在 CI 2.x 上
$config['base_url'] = isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) == 'on' ? 'https' : 'http';
$config['base_url'] .= '://'. $_SERVER['HTTP_HOST'];
$config['base_url'] .= isset($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] != '80' && $_SERVER['SERVER_PORT'] != '443' ? ( ':'.$_SERVER['SERVER_PORT'] ) : '';
$config['base_url'] .= str_replace(basename($_SERVER['SCRIPT_NAME']), '', $_SERVER['SCRIPT_NAME']);
然后做这样的事情......
$server = $_SERVER['HTTP_HOST'];
$domain = preg_replace('#^www\.(.+\.)#i', '$1', $server);
$domain = $this->extract_domain($domain);
$subdomain = $this->extract_subdomains($server);
function extract_domain($domain)
{
if(preg_match("/(?P<domain>[a-z0-9][a-z0-9\-]{1,63}\.[a-z\.]{2,6})$/i", $domain, $matches))
{
return $matches['domain'];
} else {
return $domain;
}
}
function extract_subdomains($domain)
{
$subdomains = $domain;
$domain = $this->extract_domain($subdomains);
$subdomains = rtrim(strstr($subdomains, $domain, true), '.');
return $subdomains;
}