【DEBUG】
REQUEST_URI: /charger-p-express.php/7+PANASONIC+NV-GS15EB+
cid=7 | brand=PANASONIC | model=NULL
path数组: Array
(
    [0] => 7
    [1] => PANASONIC
    [2] => NV-GS15EB
)
SQL: SELECT DISTINCT categories_name
FROM categories
WHERE categories_id='7'
AND languages_id=1