<?php use think\Db; /** * ============================================================================ */ /** * 获取购物车数量 */ function WSTCartNum(){ $userId = session('WST_USER.userId'); $cartNum = Db::name('carts')->where(['userId'=>$userId])->field('cartId')->select(); $count = count($cartNum); return $count; } function appLogOut(){ Db::name('users')->where(['userId'=>1])->setField('token',''); session('WST_USER',null); //setcookie("loginPwd", null); session('WST_MO_WlADDRESS',null); }