Codeigniter，域名到网站的某个区域
我不是一个非常有经验的程序员，这是第二次使用 CodeIgniter。
假设我有 www.domain1.com。所以我会有 3 个控制器 /area1、/area2、/area3。如果我将基本 URL 设置为 www.domain1.com，用户可以通过 www.domain1.com/area1 等访问它们。但我的问题是，客户想要网络的某个区域，比如area2，在自己的域中作为微型网站工作，所以他想通过www.domain2.com访问area2。
我不知道如何让它与 CodeIgniter 一起工作。假设他注册了www.domain2.com，并将其设置为指向相同的DNS、服务器等。当访问URL www.domain2.com时，如何让CodeIgnitor执行控制器area2？
也许改变$config['base-url']？路由？ .htaccess？如果您已经解决了这个问题，请提供所涉及的代码示例，我们将不胜感激。
编辑：我将放置我想要获取的网站的示例。
我有一台正常安装的CodeIgniter（外部主机，无法访问httpd.conf）它在一台机器上，并且站点的根目录应该通过www.domain1.com访问
所有域是在外面注册的。所以我有主控制器，它向我显示主页视图。假设该站点有 3 个区域 /area1、/area2 /area3，以及它们相应的控制器，显示这些区域的视图。
我的客户想要强调其中一个区域，即控制器 /area2 显示的区域，并且他想要为该区域使用不同的域，www.domain2.com
我可以做什么，以便当用户浏览到 www.domain2.com 时，CI 将它们重定向到 www.domain1.com/area2？例如，我可以根据收到的 URL 修改 $config['base_url'] 吗？或者这是不可能的？我需要修改 .htaccess 文件吗？
I'm not a very experienced programmer, and am using CodeIgniter for second time.
Suppose I have www.domain1.com. So I will have, say 3 controllers /area1, /area2, /area3. Users can access them as www.domain1.com/area1 etc. if I set the base URL as www.domain1.com. But my problem is, the client wants a certain area of the web, say area2, working as a microsite, in its own domain, so he wants to access area2 with www.domain2.com.
I don't know how to get this working with CodeIgniter. Suppose he registers www.domain2.com and set it pointing to the same DNS, server etc. How can I get CodeIgnitor to execute the controller area2 when the URL www.domain2.com is accessed?
Maybe changing $config['base-url']? Routing? .htaccess? Please, if you have solved this, examples of code involved would be greatly appreciated.
Edit: I will put example of the site I want to get.
I have one normal installation of CodeIgniter (external host, I can't access httpd.conf) It is on one machine, and the root of the site should be accessed by www.domain1.com
All domain are outside registered to. So I have the home controller, which shows me the main page view. And suppose the site have 3 areas /area1, /area2 /area3, with their correspondent controllers, showing these areas views.
My client want to emphasize one of the areas, the one that controller /area2 shows, and he want use a different domain for that area, www.domain2.com
What can I do so that when the user browse to www.domain2.com, CI redirects them to www.domain1.com/area2? Could I, for example, modify $config['base_url'] according the received URL, or is that impossible? Do I need to modify the .htaccess file?
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经过大量搜索，我找到了一个似乎有效的解决方案，说实话很容易：
修改
routes.php：不需要mod重写。
After a lot of searching, I found a solution that seems to work, very easy to be honest:
Modify
routes.php:No need for mod rewrite.
这是一个有用的链接......
http://www.askaboutphp.com /88/codeigniter-setting-up-multiple-sites-on-one-install.html
我自己实际上从未这样做过，但这似乎是无需安装两次 ci 即可完成此操作的方法。祝你好运。
Here's a helpful link....
http://www.askaboutphp.com/88/codeigniter-setting-up-multiple-sites-on-one-install.html
Never actually done this myself, but this seems to be the way to go about it without having two ci installs. Good luck.
你肯定需要采用 mod_rewrite 方式
you definitely need to go the mod_rewrite way
我想到的第一个解决方案是使用 Apache mod_rewrite，但据我所知，它仅适用于内部重定向（即驻留在同一服务器/域上的资源）。
使用 iframe 怎么样？您可以使用全页 iframe 设置 domain2.com 主页，该 iframe 从 domain1.com/area2 获取内容。
the first solution that comes to my mind is to use Apache mod_rewrite, but as far as I know that would work only for internal redirects (i.e. resources residing on the same server/domain).
What about using an iframe? You could set up domain2.com home page with a full-page iframe that takes it's content from domain1.com/area2.