在 mojolicious 中将参数传递给 redirect_to 并在目标控制器中使用它们 [英] Passing arguments to redirect_to in mojolicious and using them in the target controller

问题描述

我正在将参数传递给 redirect_to like

$c->redirect_to('named', foo => 'bar');

或

$c->redirect_to('named, query => {foo=>'bar'});

但我不确定如何使用它或在目标控制器中检索 foo 的值.

解决方案

$self->redirect_to('named', foo => 'bar')，使用前不带斜线，指的是命名路由，参数放在路由占位符中.

默认情况下，您在应用程序中定义的每个路由都会分配一个路由名称，或者您可以手动分配它们.(您也可以使用 ./myapp routes 获取分配的路由列表)

在精简版应用中:

<前>动作#路由名称get '/named' => sub { ... };# 命名get '/named/:foo' => sub { ... };# 命名的fooget '/named/:foo' => sub { ... } => 'something-else';# 别的东西

以下重定向到 get '/named/:foo' 操作:

$self->redirect_to('namedfoo', foo => 'bar')

实际上等同于:

$self->redirect_to('/named/bar');

您可以使用 ->param 访问操作中的占位符值:

get '/named/:foo' =>子{我的 $self = shift;$self->render_text($self->param('foo'));};

呈现以下 HTML:

bar

---

您可能还想查看:http://mojocasts.com/e2#Generic%20Placeholders

I am passing arguments to redirect_to like

$c->redirect_to('named', foo => 'bar');

or

$c->redirect_to('named, query => {foo=> 'bar'});

but I am not sure how to use it or retrieve the value of foo in the target controller.

解决方案

$self->redirect_to('named', foo => 'bar'), used without a preceding slash, refers to named routes, and parameters are placed into route placeholders.

Each route you define in your application gets assigned a route name by default, or you can assign them manually. (You can also get a list of assigned routes using ./myapp routes)

In a lite app:

action # route name

get '/named' => sub { ... }; # named
get '/named/:foo' => sub { ... }; # namedfoo
get '/named/:foo' => sub { ... } => 'something-else'; # something-else

The following redirects to the get '/named/:foo' action:

$self->redirect_to('namedfoo', foo => 'bar') 

Which is effectively the same as:

$self->redirect_to('/named/bar');

You can access the placeholder value within the action using ->param:

get '/named/:foo' => sub {
  my $self = shift;
  $self->render_text($self->param('foo'));
};

Which renders the following HTML:

bar

---

You might also want to check out: http://mojocasts.com/e2#Generic%20Placeholders

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