model的命名规则
{$app_id}_mdl_{$mod_path}
例如:
model: b2c_mdl_cart_objects
$app_id = b2c
$mod_path = cart/objects.php
model存放位置
app/{$app_id}/model/{mod_path}/
例如:
b2c_mdl_cart_objects
存放位置: app/b2c/model/cart/objects.php
创建自己的model
<?php
class base_mdl_apps extends base_db_model{
...
}