使用一个Codeigniter安装的多个动态域名的方法如下:
在Apache中,需要为每个动态域名配置一个虚拟主机。首先,打开Apache的配置文件(通常位于/etc/httpd/conf/httpd.conf
或/etc/apache2/sites-available/000-default.conf
),然后为每个动态域名添加一个<VirtualHost>
块。例如:
ServerName dynamic1.example.com
DocumentRoot /var/www/codeigniter/public
<Directory /var/www/codeigniter/public>
AllowOverride All
Require all granted
</Directory>
</VirtualHost><VirtualHost *:80>
ServerName dynamic2.example.com
DocumentRoot /var/www/codeigniter/public
<Directory /var/www/codeigniter/public>
AllowOverride All
Require all granted
</Directory>
</VirtualHost>
在Codeigniter的application/config/routes.php
文件中,需要为每个动态域名配置一个路由。例如:
$route['dynamic1'] = 'controller1';
$route['dynamic2'] = 'controller2';
在Codeigniter的数据库配置文件(通常位于application/config/database.php
)中,需要为每个动态域名配置一个数据库连接。例如:
$db['dynamic1'] = array(
'dsn' => '',
'hostname' => 'localhost',
'username' => 'username1',
'password' => 'password1',
'database' => 'database1',
'dbdriver' => 'mysqli',
'dbprefix' => '',
'pconnect' => FALSE,
'db_debug' => (ENVIRONMENT !== 'production'),
'cache_on' => FALSE,
'cachedir' => '',
'char_set' => 'utf8',
'dbcollat' => 'utf8_general_ci',
'swap_pre' => '',
'encrypt' => FALSE,
'compress' => FALSE,
'stricton' => FALSE,
'failover' => array(),
'save_queries' => TRUE
);
$db['dynamic2'] = array(
'dsn' => '',
'hostname' => 'localhost',
'username' => 'username2',
'password' => 'password2',
'database' => 'database2',
'dbdriver' => 'mysqli',
'dbprefix' => '',
'pconnect' => FALSE,
'db_debug' => (ENVIRONMENT !== 'production'),
'cache_on' => FALSE,
'cachedir' => '',
'char_set' => 'utf8',
'dbcollat' => 'utf8_general_ci',
'swap_pre' => '',
'encrypt' => FALSE,
'compress' => FALSE,
'stricton' => FALSE,
'failover' => array(),
'save_queries' => TRUE
);
在Codeigniter的控制器中,可以使用$_SERVER['HTTP_HOST']
变量来获取当前请求的域名,然后根据域名选择不同的数据库连接和业务逻辑。例如:
class Controller1 extends CI_Controller {
public function index() {
$domain = $_SERVER['HTTP_HOST'];
$this->load->database('dynamic1', TRUE);
// 根据$domain选择不同的业务逻辑
}
}
class Controller2 extends CI_Controller {
public function index() {
$domain = $_SERVER['HTTP_HOST'];
$this->load->database('dynamic2', TRUE);
// 根据$domain选择不同的业务逻辑
}
}
通过以上步骤,可以实现使用一个Codeigniter安装的多个动态域名。
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