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Symfony2创建基于域名的路由(原创翻译)

你可以匹配将要来到的请求以HTTP域名的方式
YAML方式
mobile_homepage:    path:     /    host:     m.example.com    defaults: { _controller: AcmeDemoBundle:Main:mobileHomepage }homepage:    path:     /    defaults: { _controller: AcmeDemoBundle:Main:homepage }
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XML方式
<?xml version="1.0" encoding="UTF-8" ?><routes xmlns="http://symfony.com/schema/routing"    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    xsi:schemaLocation="http://symfony.com/schema/routing        http://symfony.com/schema/routing/routing-1.0.xsd">    <route id="mobile_homepage" path="/" host="m.example.com">        <default key="_controller">AcmeDemoBundle:Main:mobileHomepage</default>    </route>    <route id="homepage" path="/">        <default key="_controller">AcmeDemoBundle:Main:homepage</default>    </route></routes>
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PHP方式
use Symfony\Component\Routing\RouteCollection;use Symfony\Component\Routing\Route;$collection = new RouteCollection();$collection->add(‘mobile_homepage‘, new Route(‘/‘, array(    ‘_controller‘ => ‘AcmeDemoBundle:Main:mobileHomepage‘,), array(), array(), ‘m.example.com‘));$collection->add(‘homepage‘, new Route(‘/‘, array(    ‘_controller‘ => ‘AcmeDemoBundle:Main:homepage‘,)));return $collection;
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两个路由匹配相同的路径  / ,然而第一个将只有域名为m.example.com才匹配
 
使用占位符
 
这个域名选项使用占位符的路径匹配系统。这样就意味着你可以在你的域名中使用占位符匹配的域名。
YAML
projects_homepage:    path:     /    host:     "{project_name}.example.com"    defaults: { _controller: AcmeDemoBundle:Main:mobileHomepage }homepage:    path:     /    defaults: { _controller: AcmeDemoBundle:Main:homepage }
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XML
<?xml version="1.0" encoding="UTF-8" ?><routes xmlns="http://symfony.com/schema/routing"    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    xsi:schemaLocation="http://symfony.com/schema/routing        http://symfony.com/schema/routing/routing-1.0.xsd">    <route id="projects_homepage" path="/" host="{project_name}.example.com">        <default key="_controller">AcmeDemoBundle:Main:mobileHomepage</default>    </route>    <route id="homepage" path="/">        <default key="_controller">AcmeDemoBundle:Main:homepage</default>    </route></routes>
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PHP 
use Symfony\Component\Routing\RouteCollection;use Symfony\Component\Routing\Route;$collection = new RouteCollection();$collection->add(‘project_homepage‘, new Route(‘/‘, array(    ‘_controller‘ => ‘AcmeDemoBundle:Main:mobileHomepage‘,), array(), array(), ‘{project_name}.example.com‘));$collection->add(‘homepage‘, new Route(‘/‘, array(    ‘_controller‘ => ‘AcmeDemoBundle:Main:homepage‘,)));return $collection;
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你还可以为这些占位符设置条件和默认的选项。列如,如果你想匹配  m.example.com 和mobile.example.com你可以按照如下方式
 YAML
mobile_homepage:    path:     /    host:     "{subdomain}.example.com"    defaults:        _controller: AcmeDemoBundle:Main:mobileHomepage        subdomain: m    requirements:        subdomain: m|mobilehomepage:    path:     /    defaults: { _controller: AcmeDemoBundle:Main:homepage }
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XML
<?xml version="1.0" encoding="UTF-8" ?><routes xmlns="http://symfony.com/schema/routing"    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    xsi:schemaLocation="http://symfony.com/schema/routing        http://symfony.com/schema/routing/routing-1.0.xsd">    <route id="mobile_homepage" path="/" host="{subdomain}.example.com">        <default key="_controller">AcmeDemoBundle:Main:mobileHomepage</default>        <default key="subdomain">m</default>        <requirement key="subdomain">m|mobile</requirement>    </route>    <route id="homepage" path="/">        <default key="_controller">AcmeDemoBundle:Main:homepage</default>    </route></routes>
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PHP
use Symfony\Component\Routing\RouteCollection;use Symfony\Component\Routing\Route;$collection = new RouteCollection();$collection->add(‘mobile_homepage‘, new Route(‘/‘, array(    ‘_controller‘ => ‘AcmeDemoBundle:Main:mobileHomepage‘,    ‘subdomain‘   => ‘m‘,), array(    ‘subdomain‘ => ‘m|mobile‘,), array(), ‘{subdomain}.example.com‘));$collection->add(‘homepage‘, new Route(‘/‘, array(    ‘_controller‘ => ‘AcmeDemoBundle:Main:homepage‘,)));return $collection;
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你还可以使用服务参数,如果你不想将域名写死写法如下
YAML
mobile_homepage:    path:     /    host:     "m.{domain}"    defaults:        _controller: AcmeDemoBundle:Main:mobileHomepage        domain: ‘%domain%‘    requirements:        domain: ‘%domain%‘homepage:    path:  /    defaults: { _controller: AcmeDemoBundle:Main:homepage }
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XML
<?xml version="1.0" encoding="UTF-8" ?><routes xmlns="http://symfony.com/schema/routing"    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    xsi:schemaLocation="http://symfony.com/schema/routing http://symfony.com/schema/routing/routing-1.0.xsd">    <route id="mobile_homepage" path="/" host="m.{domain}">        <default key="_controller">AcmeDemoBundle:Main:mobileHomepage</default>        <default key="domain">%domain%</default>        <requirement key="domain">%domain%</requirement>    </route>    <route id="homepage" path="/">        <default key="_controller">AcmeDemoBundle:Main:homepage</default>    </route></routes>
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PHP
use Symfony\Component\Routing\RouteCollection;use Symfony\Component\Routing\Route;$collection = new RouteCollection();$collection->add(‘mobile_homepage‘, new Route(‘/‘, array(    ‘_controller‘ => ‘AcmeDemoBundle:Main:mobileHomepage‘,    ‘domain‘ => ‘%domain%‘,), array(    ‘domain‘ => ‘%domain%‘,), array(), ‘m.{domain}‘));$collection->add(‘homepage‘, new Route(‘/‘, array(    ‘_controller‘ => ‘AcmeDemoBundle:Main:homepage‘,)));return $collection;
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提示
    确保你总是包含了默认的选项 domain占位符,否则你需要包含 domain的值每当你使用该路由生成URL的时候。
 
使用包含进来的路由规则匹配
 
 你可以设置域名选项通过导入路由配置文件,方式如下
YAML
acme_hello:    resource: ‘@AcmeHelloBundle/Resources/config/routing.yml‘    host:     "hello.example.com"
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XML
<?xml version="1.0" encoding="UTF-8" ?><routes xmlns="http://symfony.com/schema/routing"    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    xsi:schemaLocation="http://symfony.com/schema/routing http://symfony.com/schema/routing/routing-1.0.xsd">    <import resource="@AcmeHelloBundle/Resources/config/routing.xml" host="hello.example.com" /></routes>
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PHP
use Symfony\Component\Routing\RouteCollection;$collection = new RouteCollection();$collection->addCollection($loader->import("@AcmeHelloBundle/Resources/config/routing.php"), ‘‘, array(), array(), array(), ‘hello.example.com‘);return $collection;
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域名 hello.example.com  将要被设置为加载进来的新路由配置文件中的每个路由
 
测试你的Controllers
 
你需要设置HTTP的域名头文件在你请求的对象中,如果你想正确的匹配到网址在你的测试函数中
 
$crawler = $client->request(    ‘GET‘,    ‘/homepage‘,    array(),    array(),    array(‘HTTP_HOST‘ => ‘m.‘ . $client->getContainer()->getParameter(‘domain‘)));

Symfony2创建基于域名的路由(原创翻译)