$user = D('User');
if($user->validate($rules)->create()){
$user->relation(true)->add();
}
这个只能保存主表的
protected $_li
nk = array(
'Account' => array(
'mapping_type' => self::HAS_MANY,
'papping_name' => 'Account',
'class_name' => 'Account',
'foreign_key' => 'user_id'
)
);