更改Symfony中的Twig url()输出 [英] Change Twig url() output in Symfony

问题描述

最终执行Twig url()函数的文件/类是什么，如下所示:< a href =&; {{url('app_home')}}''';> Home</a> .

我知道我可以使用装饰器来更改功能，例如:

  App \ Services \ MyRouter:装饰:路由器"参数:['@App \ Services \ MyRouter.inner'] 

和

 公共函数generate($ name，$ parameters = []，$ referenceType = self :: ABSOLUTE_PATH){$ name ='test'.$ name;返回$ this->路由器-> generate($ name，$ parameters，$ referenceType);} 

以上内容更改了影响其他区域(例如加载控制器)的路线.

我所需要的只是树枝文档中的最终输出.我无法找到正确的装饰服务.

修改

根据答案，我一直在使用twig.extension.routing，但现在我只得到了未知"路径.功能."例外.我的期望是什么都不会发生，并且我的函数返回了原始方法.

  App \ Service \ TwigUrlDecorator:装饰:"twig.extension.routing"参数:['@App \ Service \ TwigUrlDecorator.inner']公开:错误<?php//src/Service/TwigUrlDecorator.php命名空间App \ Service;使用Twig \ Extension \ AbstractExtension;TwigUrlDecorator类扩展AbstractExtension{公共函数getPath($ name，$ parameters = array()，$ relative = false){返回parent :: getPath($ name，$ parameters，$ relative);}} 

解决方案

url twig函数由 Symfony \ Bridge \ Twig \ Extension \ RoutingExtension :: getUrl()执行.

您可以找到类定义此处.该服务在此处定义，您可以在其中看到服务名称的是 twig.extension.routing .

我想您可以修饰扩展名，但是考虑到它的简单性，只需App\Services\MyRouter: decorates: 'router' arguments: ['@App\Services\MyRouter.inner']

and

public function generate($name, $parameters = [], $referenceType = self::ABSOLUTE_PATH)
{
    $name = 'test'.$name;

    return $this->router->generate($name, $parameters, $referenceType);
}

The above changes the route which affects other areas like loading controllers.

All I'm after is the final output in the twig document. I haven't been able to find the the correct service to decorate.

edit

Based off the answers I have been working with twig.extension.routing but now I just get an "Unknown "path" function." exception. My expectation would be for nothing to happen and my function returns the original method.

App\Service\TwigUrlDecorator:
    decorates: 'twig.extension.routing'
    arguments: ['@App\Service\TwigUrlDecorator.inner']
    public: false

<?php
// src/Service/TwigUrlDecorator.php

namespace App\Service;

use Twig\Extension\AbstractExtension;

class TwigUrlDecorator extends AbstractExtension
{

    public function getPath($name, $parameters = array(), $relative = false)
    {
        return parent::getPath($name, $parameters, $relative);
    }

}

解决方案

The url twig function is executed by Symfony\Bridge\Twig\Extension\RoutingExtension::getUrl().

You can find the class definition here, and the specific method here. The service is defined here, where you can see the service name is twig.extension.routing.

I guess you could decorate the extension, but considering how simple it is, it might be simpler just to define your own URL generating twig function by defining a new Twig Extension.

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