CodeIgniter中实现泛域名解析_php实例
May 16, 2016 pm 08:39 PM最近遇到一个项目要求使用二级域名,以方便SEO,由于采用的是CodeIgniter框架,这个框架虽然提供了灵活的路由功能,但是不能实现二级域名。查询了多很资料之后,经过几番测试得出了解决方法。本例采用www.mysite.com这个假域名。
步骤1:
首先在httpd.conf中建立virtualhost
<VirtualHost *:80> ServerAdmin admin@163.com DocumentRoot "D:/www/cms" ServerName www.mysite.com ServerAlias *.mysite.com #这里采用泛解析的方式 ErrorLog "logs/mysite.com-error.log" CustomLog "logs/mysite.com.log" common </VirtualHost>
步骤2:
我要实现这样的效果:
http://www.mysite.com/category/news/1.html =====> http://category.mysite.com/news/1.html
为了确保能正常访问这个domain,必须修改hosts文件
127.0.0.1 www.mysite.com 127.0.0.1 category.mysite.com
步骤3:
修改:system/core/URI.php的_set_uri_string方法
/** * Set the URI String * * @access public * @param string * @return string */ function _set_uri_string($str) { // Filter out control characters $str = remove_invisible_characters($str, FALSE); // If the URI contains only a slash we'll kill it $this->uri_string = ($str == '/') ? '' : $str; // Add by fengyun for url rewrite at 2013-1-25 1:02:27 @include(APPPATH.'config/domain'.EXT); $arrServerName = explode('.', $_SERVER['SERVER_NAME']); if (in_array($arrServerName[0], $domain)) { $this->uri_string = '/' . $arrServerName[0]."/" . $this->uri_string; } }
这里主要是为了让URL能正确的被CI理解。
步骤4:在application/config/下建立一个domain.php文件。内容如下:
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); $domain = array('category',"detail","info","archive");
至此已经基本完成了,不过,使用site_url()的时候,如果要使用二级域名,就得另做处理了。

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