Request::path();  //获取请求的路径Request::is(‘admin/*‘);  //判断是否符合指定模式Request::url();   //获取请求的urlRequest::segment(1);    //获取请求URL信息Request::header("Content-Type");Request::server(‘PATH_INFO‘);  //$_SERVER数组中信息Request::ajax()   //如果是ajax请求则为trueRequest::secure()     //是否使用HTTPs协议

//重定向return Redirect::to(‘user/login‘);return Redirect::route(‘login‘);return Redirect::route(‘login‘,array(‘user‘=>1));return Redirect::action(‘HomeController@index‘);return Redirect::action(‘HomeController@index‘,array(‘user‘=>1));