本文實例講述了Symfony2創建基于域名的路由實現方法。分享給大家供大家參考，具體如下：
你可以匹配將要來到的請求以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 }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>
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 $collection;兩個路由匹配相同的路徑 / ,然而第一個將只有域名為m.example.com才匹配
使用占位符
這個域名選項使用占位符的路徑匹配系統。這樣就意味著你可以在你的域名中使用占位符匹配的域名。
YAML
projects_homepage: path: / host: "{project_name}.example.com" defaults: { _controller: AcmeDemoBundle:Main:mobileHomepage }homepage: path: / defaults: { _controller: AcmeDemoBundle:Main:homepage }XML
<?xml version="1.0" encoding="UTF-8" ?><routes xmlns="http://symfony.com/schema/routing" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://symfony.com/schema/routing http://symfony.com/schema/routing/routing-1.0.xsd"> <route id="projects_homepage" path="/" host="{project_name}.example.com"> <default key="_controller">AcmeDemoBundle:Main:mobileHomepage</default> </route> <route id="homepage" path="/"> <default key="_controller">AcmeDemoBundle:Main:homepage</default> </route></routes>PHP
use Symfony/Component/Routing/RouteCollection;use Symfony/Component/Routing/Route;$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 $collection;你還可以為這些占位符設置條件和默認的選項。列如，如果你想匹配 m.example.com 和mobile.example.com你可以按照如下方式
YAML
mobile_homepage: path: / host: "{subdomain}.example.com" defaults: _controller: AcmeDemoBundle:Main:mobileHomepage subdomain: m requirements: subdomain: m|mobilehomepage: path: / defaults: { _controller: AcmeDemoBundle:Main:homepage }XML
<?xml version="1.0" encoding="UTF-8" ?><routes xmlns="http://symfony.com/schema/routing" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://symfony.com/schema/routing http://symfony.com/schema/routing/routing-1.0.xsd"> <route id="mobile_homepage" path="/" host="{subdomain}.example.com"> <default key="_controller">AcmeDemoBundle:Main:mobileHomepage</default> <default key="subdomain">m</default> <requirement key="subdomain">m|mobile</requirement> </route> <route id="homepage" path="/"> <default key="_controller">AcmeDemoBundle:Main:homepage</default> </route></routes>PHP
use Symfony/Component/Routing/RouteCollection;use Symfony/Component/Routing/Route;$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 $collection;你還可以使用服務參數，如果你不想將域名寫死寫法如下
YAML
mobile_homepage: path: / host: "m.{domain}" defaults: _controller: AcmeDemoBundle:Main:mobileHomepage domain: '%domain%' requirements: domain: '%domain%'homepage: path: / defaults: { _controller: AcmeDemoBundle:Main:homepage }XML
<?xml version="1.0" encoding="UTF-8" ?><routes xmlns="http://symfony.com/schema/routing" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://symfony.com/schema/routing http://symfony.com/schema/routing/routing-1.0.xsd"> <route id="mobile_homepage" path="/" host="m.{domain}"> <default key="_controller">AcmeDemoBundle:Main:mobileHomepage</default> <default key="domain">%domain%</default> <requirement key="domain">%domain%</requirement> </route> <route id="homepage" path="/"> <default key="_controller">AcmeDemoBundle:Main:homepage</default> </route></routes>PHP
use Symfony/Component/Routing/RouteCollection;use Symfony/Component/Routing/Route;$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 $collection;提示
確保你總是包含了默認的選項 domain占位符，否則你需要包含 domain的值每當你使用該路由生成URL的時候。
使用包含進來的路由規則匹配
你可以設置域名選項通過導入路由配置文件，方式如下
YAML
acme_hello: resource: '@AcmeHelloBundle/Resources/config/routing.yml' host: "hello.example.com"
XML
<?xml version="1.0" encoding="UTF-8" ?><routes xmlns="http://symfony.com/schema/routing" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://symfony.com/schema/routing http://symfony.com/schema/routing/routing-1.0.xsd"> <import resource="@AcmeHelloBundle/Resources/config/routing.xml" host="hello.example.com" /></routes>
PHP
use Symfony/Component/Routing/RouteCollection;$collection = new RouteCollection();$collection->addCollection($loader->import("@AcmeHelloBundle/Resources/config/routing.php"), '', array(), array(), array(), 'hello.example.com');return $collection;域名 hello.example.com 將要被設置為加載進來的新路由配置文件中的每個路由
測試你的Controllers
你需要設置HTTP的域名頭文件在你請求的對象中，如果你想正確的匹配到網址在你的測試函數中
$crawler = $client->request( 'GET', '/homepage', array(), array(), array('HTTP_HOST' => 'm.' . $client->getContainer()->getParameter('domain')));希望本文所述對大家基于Symfony2框架的PHP程序設計有所幫助。
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