我是Slim的新手 . 一切都很好,但我试图介绍Slim-Flash包,并希望在联系表单消息发送或失败时使用通知我的用户 .
我使用PhpMailer的标准方法 . 为了保持我的路线清洁,我创建了一个类来处理所有工作得很好的邮件:
class Mailer
{
public function __invoke($request, $response, $args) use ($app) {
// SMTP & Fields
}
}
一旦成功,我想要执行重定向并显示我的苗条消息,如下所示:
$this->flash->addMessage('global', 'Message sent!');
return $response->withRedirect($app->router->pathFor('contact'));
但是,当我尝试执行操作时,我遇到以下错误:
Call to a member function getContainer() on null
我是相当新的,我显然在这里遗漏了一些东西 - 任何提示都会非常有用 .
这是完整的痕迹:
#0 /Applications/MAMP/htdocs/portalSlim/vendor/composer/ClassLoader.php(444): include()
#1 /Applications/MAMP/htdocs/portalSlim/vendor/composer/ClassLoader.php(322): Composer\Autoload\includeFile('/Applications/M...')
#2 [internal function]: Composer\Autoload\ClassLoader->loadClass('App\\Mail\\Mailer')
#3 [internal function]: spl_autoload_call('App\\Mail\\Mailer')
#4 /Applications/MAMP/htdocs/portalSlim/vendor/slim/slim/Slim/CallableResolver.php(89): class_exists('App\\Mail\\Mailer')
#5 /Applications/MAMP/htdocs/portalSlim/vendor/slim/slim/Slim/CallableResolver.php(67): Slim\CallableResolver->resolveCallable('App\\Mail\\Mailer')
#6 /Applications/MAMP/htdocs/portalSlim/vendor/slim/slim/Slim/CallableResolverAwareTrait.php(45): Slim\CallableResolver->resolve('App\\Mail\\Mailer')
#7 /Applications/MAMP/htdocs/portalSlim/vendor/slim/slim/Slim/Route.php(351): Slim\Routable->resolveCallable('App\\Mail\\Mailer')
#8 /Applications/MAMP/htdocs/portalSlim/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\Route->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response))
#9 /Applications/MAMP/htdocs/portalSlim/vendor/slim/slim/Slim/Route.php(334): Slim\Route->callMiddlewareStack(Object(Slim\Http\Request), Object(Slim\Http\Response))
#10 /Applications/MAMP/htdocs/portalSlim/vendor/slim/slim/Slim/App.php(515): Slim\Route->run(Object(Slim\Http\Request), Object(Slim\Http\Response))
#11 /Applications/MAMP/htdocs/portalSlim/vendor/slim/csrf/src/Guard.php(171): Slim\App->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response))
#12 [internal function]: Slim\Csrf\Guard->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Slim\App))
#13 /Applications/MAMP/htdocs/portalSlim/vendor/slim/slim/Slim/DeferredCallable.php(43): call_user_func_array(Object(Slim\Csrf\Guard), Array)
#14 [internal function]: Slim\DeferredCallable->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Slim\App))
#15 /Applications/MAMP/htdocs/portalSlim/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(70): call_user_func(Object(Slim\DeferredCallable), Object(Slim\Http\Request), Object(Slim\Http\Response), Object(Slim\App))
#16 /Applications/MAMP/htdocs/portalSlim/vendor/slim/slim/Slim/MiddlewareAwareTrait.php(117): Slim\App->Slim\{closure}(Object(Slim\Http\Request), Object(Slim\Http\Response))
#17 /Applications/MAMP/htdocs/portalSlim/vendor/slim/slim/Slim/App.php(406): Slim\App->callMiddlewareStack(Object(Slim\Http\Request), Object(Slim\Http\Response))
#18 /Applications/MAMP/htdocs/portalSlim/vendor/slim/slim/Slim/App.php(314): Slim\App->process(Object(Slim\Http\Request), Object(Slim\Http\Response))
#19 /Applications/MAMP/htdocs/portalSlim/public/index.php(7): Slim\App->run()
#20 {main}
1 回答
使用
use
关键字让__invoke
方法(Mailer
类的成员,而不是anonymous function)可以访问$app
之类的没有按预期执行,会引发语法错误 . 只要需要创建类的新实例,Slim就会将容器实例传递给类构造函数,因此
Mailer
类应该有__construct
方法接受Psr\Container\ContainerInterface
参数 . 然后,您可以从容器中检索路由器($this->continer->router
而不是$app->router
):