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<?php
//database.php
class DATABASE_CONFIG {
 
    public $Master = array(
        'driver' => 'mysql',
        'persistent' => false,
        'host' => '192.160.0.1',
        'port' => '',
        'login' => 'root',
        'password' => '123456',
        'database' => 'yemaosheng_com',
        'schema' => '',
        'prefix' => '',
        'encoding' => 'UTF8'
    );
 
    public $Slave1 = array(
        'driver' => 'mysql',
        'persistent' => false,
        'host' => '192.168.0.2',
        'port' => '',
        'login' => 'root',
        'password' => '123456',
        'database' => 'yemaosheng_com',
        'schema' => '',
        'prefix' => '',
        'encoding' => 'UTF8'
    );
 
    public $Slave2 = array(
        'driver' => 'mysql',
        'persistent' => false,
        'host' => '192.168.0.3',
        'port' => '',
        'login' => 'root',
        'password' => '123456',
        'database' => 'yemaosheng_com',
        'schema' => '',
        'prefix' => '',
        'encoding' => 'UTF8'
    );
 
    public $Slave3 = array(
        'driver' => 'mysql',
        'persistent' => false,
        'host' => '192.168.0.4',
        'port' => '',
        'login' => 'root',
        'password' => '123456',
        'database' => 'yemaosheng_com',
        'schema' => '',
        'prefix' => '',
        'encoding' => 'UTF8'
    );
}
?>

<?php //database.php class DATABASE_CONFIG { public $Master = array( 'driver' => 'mysql', 'persistent' => false, 'host' => '192.160.0.1', 'port' => '', 'login' => 'root', 'password' => '123456', 'database' => 'yemaosheng_com', 'schema' => '', 'prefix' => '', 'encoding' => 'UTF8' ); public $Slave1 = array( 'driver' => 'mysql', 'persistent' => false, 'host' => '192.168.0.2', 'port' => '', 'login' => 'root', 'password' => '123456', 'database' => 'yemaosheng_com', 'schema' => '', 'prefix' => '', 'encoding' => 'UTF8' ); public $Slave2 = array( 'driver' => 'mysql', 'persistent' => false, 'host' => '192.168.0.3', 'port' => '', 'login' => 'root', 'password' => '123456', 'database' => 'yemaosheng_com', 'schema' => '', 'prefix' => '', 'encoding' => 'UTF8' ); public $Slave3 = array( 'driver' => 'mysql', 'persistent' => false, 'host' => '192.168.0.4', 'port' => '', 'login' => 'root', 'password' => '123456', 'database' => 'yemaosheng_com', 'schema' => '', 'prefix' => '', 'encoding' => 'UTF8' ); } ?>

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<?php
//app_model.php
class AppModel extends Model {
    function beforeSave() {
        $this->useDbConfig = 'Master';
    }
 
    function afterSave() {
        $this->useDbConfig = 'Slave'.mt_rand(1,3);
    }
 
    function beforeDelete() {
        $this->useDbConfig = 'Master';
    }
 
    function afterDelete() {
        $this->useDbConfig = 'Slave'.mt_rand(1,3);
    }
}
?>

<?php //app_model.php class AppModel extends Model { function beforeSave() { $this->useDbConfig = 'Master'; } function afterSave() { $this->useDbConfig = 'Slave'.mt_rand(1,3); } function beforeDelete() { $this->useDbConfig = 'Master'; } function afterDelete() { $this->useDbConfig = 'Slave'.mt_rand(1,3); } } ?>