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本文实例讲述了Symfony2创建基于域名的路由实现方法。分享给大家供大家参考，具体如下：
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 }

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/routinghttp://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 SymfonyComponentRoutingRouteCollection;use SymfonyComponentRoutingRoute;$collection = new RouteCollection（）;$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;

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 }

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/routinghttp://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 SymfonyComponentRoutingRouteCollection;use SymfonyComponentRoutingRoute;$collection = new RouteCollection（）;$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:mobileHomepagesubdomain: 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/routinghttp://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 SymfonyComponentRoutingRouteCollection;use SymfonyComponentRoutingRoute;$collection = new RouteCollection（）;$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:mobileHomepagedomain: "%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 SymfonyComponentRoutingRouteCollection;use SymfonyComponentRoutingRoute;$collection = new RouteCollection（）;$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
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"

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 SymfonyComponentRoutingRouteCollection;$collection = new RouteCollection（）;$collection->addCollection（$loader->import（"@AcmeHelloBundle/Resources/config/routing.php"）, "", array（）, array（）, array（）, "hello.example.com"）;return $collection;

域名 hello.example.com  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"）））;

更多关于Symfony2相关内容感兴趣的读者可查看本站专题：《Symfony框架入门教程》、《codeigniter入门教程》、《CI（CodeIgniter）框架进阶教程》、《php优秀开发框架总结》、《ThinkPHP入门教程》、《ThinkPHP常用方法总结》、《Zend FrameWork框架入门教程》、《php面向对象程序设计入门教程》、《php+mysql数据库操作入门教程》及《php常见数据库操作技巧汇总》
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