public function index()
{
	$m = $this->m('goods');#加载goods.php
	$m->get_goods();#使用对应的方法
}

public function index()
{
    $data['some'] = array('some','data');
    $t->display('index.tpl',$data);#会加载控制器名称下的index.tpl
}

//select
public function lists()
{
	return $this->select('test','*',array('id'=>'123'));
}		
//insert
public function add($data)
{
	return $this->insert('tucao_m', $data);
}
//del
public function del()
{
	return $this->delete('tucao_m', array('name'=>'kph'));
}
//update
public function set()
{
	return $this->update('tucao_m',array('name'=>'1234'),array('name'=>'123'));
}

public function index()
{
    debug('include');#查看文件包含情况
	debug('get');#查看get数据
}