function getCrmModel($name) 
{
 // new的model可以根据自己的需求去更改
 return new \Home\Model\CrmModel($name);
}

<?php
 
namespace Home\Model;
 
class CrmModel extends BaseModel
{
 public function _initialize(){
  parent::_initialize();
  $this->connection = array(
   'db_type' => C('CRM_DB.DB_TYPE'),
   'db_user' => C('CRM_DB.DB_USER'),
   'db_pwd' => C('CRM_DB.DB_PWD'),
   'db_host' => C('CRM_DB.DB_HOST'),
   'db_port' => C('CRM_DB.DB_PORT'),
  );
 
  $this->dbName = C('CRM_DB.DB_NAME');
  $this->tablePrefix = C('CRM_DB.DB_PREFIX');
 }
}

//第二个数据库配置信息
'SFK_DB'=>array(
'DB_TYPE' => 'mysql', // 数据库类型
'DB_HOST' => 'localhost', // 服务器地址
'DB_NAME' => 'test', // 数据库名
'DB_USER' => 'root', // 用户名
'DB_PWD' => 'root', // 密码
'DB_PORT' => '3306', // 端口
'DB_PREFIX' => 'test_', // 前缀
),