262 lines
8.0 KiB
PHP
262 lines
8.0 KiB
PHP
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<?php
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namespace app\common\model;
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use think\facade\Db;
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/**
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* ============================================================================
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* 联课教育商城系统
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* ============================================================================
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* 版权所有 2022 刻羽互动科技有限公司，并保留所有权利。
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* 网站地址: http://www.o1h.cn
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* ----------------------------------------------------------------------------
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* 这不是一个自由软件！您只能在不用于商业目的的前提下对程序代码进行修改和使用 .
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* 不允许对程序代码以任何形式任何目的的再发布。
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* ============================================================================
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* 数据层模型
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*/
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class Cart extends BaseModel {
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/**
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* 购物车商品总金额
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*/
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private $cart_all_price = 0;
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/**
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* 购物车商品总数
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*/
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private $cart_goods_num = 0;
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/**
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* 取属性值魔术方法
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* @access public
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* @author o1h.cn
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* @param type $name 名称
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* @return type
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*/
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public function __get($name) {
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return $this->$name;
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}
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/**
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* 检查购物车内商品是否存在
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* @access public
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* @author o1h.cn
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* @param array $condition 检索条件
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* @return bool
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*/
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public function checkCart($condition = array()) {
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return Db::name('cart')->where($condition)->find();
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}
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/**
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* 会员购物车内商品数
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* @access public
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* @author o1h.cn
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* @param int $memberId 会员ID
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* @return int
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*/
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public function getCartCountByMemberId($memberId) {
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$memberId = intval($memberId);
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return Db::name('cart')->where(array('buyer_id' => $memberId,))->count();
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}
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/**
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* 取得 单条购物车信息
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* @access public
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* @author o1h.cn
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* @param array $condition 检索条件
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* @param string $field 字段
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* @return array
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*/
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public function getCartInfo($condition = array(), $field = '*') {
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return Db::name('cart')->field($field)->where($condition)->find();
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}
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public function getCartAll($condition = array(), $field = '*') {
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return Db::name('cart')->field($field)->where($condition)->select()->toArray();
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}
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public function updateCart($id, $newId)
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{
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return Db::name('cart')->where(['cart_id' => $id])->update(['buyer_id' => $newId]);
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}
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/**
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* 将商品添加到购物车中
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* @access public
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* @author o1h.cn
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* @param array $data 商品数据信息
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* @param string $save_type 保存类型，可选值 db,cookie
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* @param int $quantity 购物数量
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* @return type
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*/
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public function addCart($data = array(), $save_type = '', $quantity = null) {
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$method = '_addCartdb';
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$result = $this->$method($data, $quantity);
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if(!$result){
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return false;
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}
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//更改购物车总商品数和总金额，传递数组参数只是给DB使用
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$this->getCartNum('db', array('buyer_id' => isset($data['buyer_id'])?$data['buyer_id']:0));
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return $result;
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}
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/**
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* 添加数据库购物车
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* @access public
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* @author o1h.cn
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* @param array $goods_info 商品信息
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* @param int $quantity 购物数量
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* @return type
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*/
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private function _addCartDb($goods_info = array(), $quantity) {
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//验证购物车商品是否已经存在
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$condition = array();
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$condition[] = array('goods_id','=',$goods_info['goods_id']);
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$condition[] = array('buyer_id','=',$goods_info['buyer_id']);
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if (isset($goods_info['bl_id'])) {
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$condition[] = array('bl_id','=',$goods_info['bl_id']);
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} else {
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$condition[] = array('bl_id','=',0);
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}
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//如果购物车
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$check_cart = $this->checkCart($condition);
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if (!empty($check_cart)) {
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if($quantity != $check_cart['goods_num']){
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if($quantity>$goods_info['goods_storage']){
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$this->error_code = 10001;
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$this->error_message = '库存不足';
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return false;
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}
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//如果商品存在则更新数量
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return Db::name('cart')->where($condition)->update(array('goods_num'=>$quantity));
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}else{
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return 1;
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}
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} else {
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//如果商品存在则插入
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$array = array();
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$array['buyer_id'] = $goods_info['buyer_id'];
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$array['goods_id'] = $goods_info['goods_id'];
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$array['goods_name'] = $goods_info['goods_name'];
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$array['goods_price'] = $goods_info['goods_price'];
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$array['goods_num'] = $quantity;
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$array['goods_image'] = $goods_info['goods_image'];
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$array['bl_id'] = isset($goods_info['bl_id']) ? $goods_info['bl_id'] : 0;
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return Db::name('cart')->insertGetId($array);
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}
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}
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/**
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* 更新购物车
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* @access public
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* @author o1h.cn
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* @param array $data 商品信息
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* @param array $condition 检索条件
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* @return bool
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*/
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public function editCart($data, $condition,$buyer_id) {
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$result = Db::name('cart')->where($condition)->update($data);
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if ($result) {
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$this->getCartNum('db', array('buyer_id' => $buyer_id));
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}
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return $result;
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}
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/**
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* 购物车列表
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* @access public
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* @author o1h.cn
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* @param string $type 存储类型 db,cookie
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* @param array $condition 检索条件
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* @param int $limit 限制
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* @return array
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*/
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public function getCartList($type, $condition = array(), $limit = 0) {
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$cart_list = Db::name('cart')->where($condition)->limit($limit)->select()->toArray();
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$cart_list = is_array($cart_list) ? $cart_list : array();
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//顺便设置购物车商品数和总金额
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$this->cart_goods_num = count($cart_list);
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$cart_all_price = 0;
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if (is_array($cart_list)) {
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foreach ($cart_list as $val) {
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$cart_all_price += $val['goods_price'] * $val['goods_num'];
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}
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}
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$this->cart_all_price = ds_price_format($cart_all_price);
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return !is_array($cart_list) ? array() : $cart_list;
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}
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/**
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* 删除购物车商品
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* @access public
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* @author o1h.cn
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* @param string $type 存储类型 db,cookie
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* @param array $condition 检索条件
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* @return bool
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*/
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public function delCart($type, $condition = array(),$buyer_id) {
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$result = Db::name('cart')->where($condition)->delete();
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//重新计算购物车商品数和总金额
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if ($result) {
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$this->getCartNum('db', array('buyer_id' => $buyer_id));
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}
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return $result;
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}
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/**
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* 清空购物车
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* @access public
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* @author o1h.cn
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* @param string $type 存储类型 db,cookie
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* @param array $condition 检索条件
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* @return bool
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*/
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public function clearCart($type, $condition = array()) {
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//数据库暂无浅清空操作
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}
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/**
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* 计算购物车总商品数和总金额
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* @access public
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* @author o1h.cn
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* @param string $type 购物车信息保存类型 db,cookie
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* @param array $condition 只有登录后操作购物车表时才会用到该参数
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* @return type
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*/
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public function getCartNum($type, $condition = array()) {
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$cart_all_price = 0;
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$cart_goods = $this->getCartList('db', $condition);
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$this->cart_goods_num = count($cart_goods);
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if (!empty($cart_goods) && is_array($cart_goods)) {
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foreach ($cart_goods as $val) {
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$cart_all_price += $val['goods_price'] * $val['goods_num'];
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}
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}
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$this->cart_all_price = ds_price_format($cart_all_price);
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@cookie('cart_goods_num', $this->cart_goods_num, 2 * 3600);
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return $this->cart_goods_num;
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}
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}
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?>
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