PHP rcache函数代码示例

 /**
  * 根据商品编号查询商品评价信息 
  */
 public function getEvaluateGoodsInfoByGoodsID($goods_id)
 {
     $prefix = 'evaluation_goods_info';
     $info = rcache($goods_id, $prefix);
     if (empty($info)) {
         $info = array();
         $good = $this->field('count(*) as count')->where(array('geval_goodsid' => $goods_id, 'geval_scores' => array('in', '4,5')))->find();
         $info['good'] = $good['count'];
         $normal = $this->field('count(*) as count')->where(array('geval_goodsid' => $goods_id, 'geval_scores' => array('in', '2,3')))->find();
         $info['normal'] = $normal['count'];
         $bad = $this->field('count(*) as count')->where(array('geval_goodsid' => $goods_id, 'geval_scores' => array('in', '1')))->find();
         $info['bad'] = $bad['count'];
         $info['all'] = $info['good'] + $info['normal'] + $info['bad'];
         if (intval($info['all']) > 0) {
             $info['good_percent'] = intval($info['good'] / $info['all'] * 100);
             $info['normal_percent'] = intval($info['normal'] / $info['all'] * 100);
             $info['bad_percent'] = intval($info['bad'] / $info['all'] * 100);
             $info['good_star'] = ceil($info['good'] / $info['all'] * 5);
         } else {
             $info['good_percent'] = 100;
             $info['normal_percent'] = 0;
             $info['bad_percent'] = 0;
             $info['good_star'] = 5;
         }
         //更新商品表好评星级和评论数
         $model_goods = Model('goods');
         $update = array();
         $update['evaluation_good_star'] = $info['good_star'];
         $update['evaluation_count'] = $info['all'];
         $model_goods->editGoods($update, array('goods_id' => $goods_id));
         wcache($goods_id, $info, $prefix);
     }
     return $info;
 }

 /**
  * GET 圈子详情
  */
 public function circleInfoOp()
 {
     $c_id = $_GET['circle_id'];
     if ($c_id != '' && $c_id > 0) {
         $circle_info = Model()->table('circle')->find($c_id);
         if (empty($circle_info)) {
             output_error("圈子不存在");
             die;
         }
         //圈主和管理员信息
         $prefix = 'circle_managelist';
         $manager_list = rcache($this->c_id, $prefix);
         if (empty($manager_list)) {
             $manager_list = Model()->table('circle_member')->where(array('circle_id' => $this->c_id, 'is_identity' => array('in', array(1, 2))))->page($this->page)->select();
             $manager_list = array_under_reset($manager_list, 'is_identity', 2);
             $manager_list[2] = array_under_reset($manager_list[2], 'member_id', 1);
             wcache($this->c_id, $manager_list, $prefix);
         }
         $circle_info['circle_masteravatar'] = getMemberAvatarForID($circle_info['circle_masterid']);
         output_data(array('circle_info' => $circle_info, 'creator' => $manager_list[1][0], 'manager_list' => $manager_list[2]));
     } else {
         output_error("圈子id错误");
         die;
     }
 }

 /**
  * 取得会员详细信息（优先查询缓存）
  * 如果未找到，则缓存所有字段
  * @param int $member_id
  * @param string $field 需要取得的缓存键值, 例如：'*','member_name,member_sex'
  * @return array
  */
 public function getMemberInfoByID($member_id, $fields = '*') {
     $member_info = rcache($member_id, 'member', $fields);
     if (empty($member_info)) {
         $member_info = $this->getMemberInfo(array('member_id'=>$member_id),'*',true);
         wcache($member_id, $member_info, 'member');
     }
     return $member_info;
 }

	/**
	 * 礼品购物车礼品数量
	 *
	 * @param array $member_id 会员ID
	 */
	public function countPointCart($member_id) {
	    $info = rcache($member_id, 'm_pointcart', 'pointcart_count');
	    if (empty($info['pointcart_count']) && $info['pointcart_count'] !== 0) {
	        $pointcart_count = $this->table('points_cart')->where(array('pmember_id'=>$member_id))->count();
	        $pointcart_count = intval($pointcart_count);
	        wcache($member_id, array('pointcart_count' => $pointcart_count), 'm_pointcart');
	    } else {
	        $pointcart_count = intval($info['pointcart_count']);
	    }
	    return $pointcart_count;
	}

 /**
  * 根据分类编号获取分类评分数据
  */
 public function getEvaluateStoreInfoByScID($sc_id)
 {
     $prefix = 'sc_evaluate_store_info';
     $info = rcache($sc_id, $prefix);
     if (empty($info)) {
         $model_store = Model('store');
         $store_id_string = $model_store->getStoreIDString(array('sc_id' => $sc_id));
         $info = $this->_getEvaluateStore(array('seval_storeid' => array('in', $store_id_string)));
         wcache($sc_id, $info, $prefix);
     }
     return $info;
 }

	/**
	 * 取得当前有效代金券数量
	 * @param int $member_id
	 */
	public function getCurrentAvailableVoucherCount($member_id) {
	    $info = rcache($member_id, 'm_voucher', 'voucher_count');
	    if (empty($info['voucher_count']) && $info['voucher_count'] !== 0) {
	        $condition['voucher_owner_id'] = $member_id;
	        $condition['voucher_end_date'] = array('gt',TIMESTAMP);
	        $condition['voucher_state'] = 1;
	        $voucher_count = $this->table('voucher')->where($condition)->count();
	        $voucher_count = intval($voucher_count);
			wcache($member_id, array('voucher_count' => $voucher_count), 'm_voucher');
	    } else {
	        $voucher_count = intval($info['voucher_count']);
	    }
	    return $voucher_count;
	}

 /**
  * 获取商品收藏排行
  *
  * @param int $store_id 店铺编号
  * @param int $limit 数量
  * @return array	商品信息
  */
 public function getHotCollectList($store_id, $limit = 5)
 {
     $prefix = 'store_collect_sales_list_' . $limit;
     $hot_collect_list = rcache($store_id, $prefix);
     if (empty($hot_collect_list)) {
         $model_goods = Model('goods');
         $hot_collect_list = $model_goods->getGoodsOnlineList(array('store_id' => $store_id), '*', 0, 'goods_collect desc', $limit);
         wcache($store_id, $hot_collect_list, $prefix);
     }
     return $hot_collect_list;
 }

 /**
  * 读取商品优惠套装缓存
  * @param int $goods_id
  * @return array
  */
 private function _rGoodsBundlingCache($goods_id)
 {
     return rcache($goods_id, 'goods_bundling');
 }

 /**
  * 根据分类编号获取分类评分数据
  */
 public function getEvaluateStoreInfoByScID($sc_id)
 {
     $prefix = 'sc_evaluate_store_info';
     $info = rcache($sc_id, $prefix);
     if (empty($info)) {
         $model_store = Model('store');
         $store_id_string = $model_store->getStoreIDString(array('sc_id' => $sc_id));
         $info = $this->_getEvaluateStore(array('seval_storeid' => array('in', $store_id_string)));
         $cache = array();
         $cache['evaluate_store_info'] = serialize($info);
         wcache($sc_id, $cache, $prefix, 60 * 24);
     } else {
         $info = unserialize($info['evaluate_store_info']);
     }
     return $info;
 }

 /**
  * 读取店铺关联板式缓存缓存
  * @param int $plate_id
  * @param string $fields
  * @return array
  */
 private function _rStorePlateCache($plate_id, $fields)
 {
     return rcache($plate_id, 'store_plate', $fields);
 }

 /**
  * 读取商品公共缓存
  * @param int $goods_id
  * @return array
  */
 private function _rGoodsGiftCache($goods_id)
 {
     return rcache($goods_id, 'goods_gift');
 }

 /**
  * 用户详细信息
  */
 protected function get_member_detail_info($member_info)
 {
     //生成缓存的键值
     $member_id = $member_info['member_id'];
     if ($member_id <= 0) {
         return null;
     }
     //写入缓存的数据
     $cachekey_arr = array('member_name', 'store_id', 'member_avatar', 'member_qq', 'member_email', 'member_msn', 'member_ww', 'member_points', 'available_predeposit', 'member_snsvisitnum', 'credit_arr', 'fan_count', 'attention_count');
     //先查找$member_id缓存
     if ($_cache = rcache($member_id, 'sns_member')) {
         foreach ($_cache as $k => $v) {
             $member_info[$k] = $v;
         }
     } else {
         $model = Model();
         //粉丝数
         $fan_count = $model->table('sns_friend')->where(array('friend_tomid' => $member_id))->count();
         $member_info['fan_count'] = $fan_count;
         //关注数
         $attention_count = $model->table('sns_friend')->where(array('friend_frommid' => $member_id))->count();
         $member_info['attention_count'] = $attention_count;
         //兴趣标签
         $mtag_list = $model->table('sns_membertag,sns_mtagmember')->field('mtag_name')->on('sns_membertag.mtag_id = sns_mtagmember.mtag_id')->join('inner')->where(array('sns_mtagmember.member_id' => $member_id))->select();
         $tagname_array = array();
         if (!empty($mtag_list)) {
             foreach ($mtag_list as $val) {
                 $tagname_array[] = $val['mtag_name'];
             }
         }
         $member_info['tagname'] = $tagname_array;
         wcache($member_id, $member_info, 'sns_member');
     }
     return $member_info;
 }

 /**
  * 读取店铺商品分类缓存
  * @param int $store_id
  * @param string $fields
  * @return array
  */
 private function _rStoreGoodsClassCache($store_id)
 {
     return rcache($store_id, 'store_goods_class');
 }

 /**
  * 单个商品信息页
  */
 public function indexOp()
 {
     $goods_id = intval($_GET['goods_id']);
     // 商品详细信息
     $model_goods = Model('goods');
     $goods_detail = $model_goods->getGoodsDetail($goods_id);
     $goods_info = $goods_detail['goods_info'];
     if (empty($goods_info)) {
         showMessage(L('goods_index_no_goods'), '', 'html', 'error');
     }
     // by 33hao.com
     $rs = $model_goods->getGoodsList(array('goods_commonid' => $goods_info['goods_commonid']));
     $count = 0;
     foreach ($rs as $v) {
         $count += $v['goods_salenum'];
     }
     $goods_info['goods_salenum'] = $count;
     //  添加 end
     $this->getStoreInfo($goods_info['store_id']);
     Tpl::output('spec_list', $goods_detail['spec_list']);
     Tpl::output('spec_image', $goods_detail['spec_image']);
     Tpl::output('goods_image', $goods_detail['goods_image']);
     Tpl::output('mansong_info', $goods_detail['mansong_info']);
     Tpl::output('gift_array', $goods_detail['gift_array']);
     // 生成缓存的键值
     $hash_key = $goods_info['goods_id'];
     $_cache = rcache($hash_key, 'product');
     if (empty($_cache)) {
         // 查询SNS中该商品的信息
         $snsgoodsinfo = Model('sns_goods')->getSNSGoodsInfo(array('snsgoods_goodsid' => $goods_info['goods_id']), 'snsgoods_likenum,snsgoods_sharenum');
         $data = array();
         $data['likenum'] = $snsgoodsinfo['snsgoods_likenum'];
         $data['sharenum'] = $snsgoodsinfo['snsgoods_sharenum'];
         // 缓存商品信息
         wcache($hash_key, $data, 'product');
     }
     $goods_info = array_merge($goods_info, $_cache);
     $inform_switch = true;
     // 检测商品是否下架,检查是否为店主本人
     if ($goods_info['goods_state'] != 1 || $goods_info['goods_verify'] != 1 || $goods_info['store_id'] == $_SESSION['store_id']) {
         $inform_switch = false;
     }
     Tpl::output('inform_switch', $inform_switch);
     // 如果使用运费模板
     if ($goods_info['transport_id'] > 0) {
         // 取得三种运送方式默认运费
         $model_transport = Model('transport');
         $transport = $model_transport->getExtendList(array('transport_id' => $goods_info['transport_id'], 'is_default' => 1));
         if (!empty($transport) && is_array($transport)) {
             foreach ($transport as $v) {
                 $goods_info[$v['type'] . "_price"] = $v['sprice'];
             }
         }
     }
     Tpl::output('goods', $goods_info);
     //v3-b11 抢购商品是否开始
     $IsHaveBuy = 0;
     if (!empty($_SESSION['member_id'])) {
         $buyer_id = $_SESSION['member_id'];
         $promotion_type = $goods_info["promotion_type"];
         if ($promotion_type == 'groupbuy') {
             //检测是否限购数量
             $upper_limit = $goods_info["upper_limit"];
             if ($upper_limit > 0) {
                 //查询些会员的订单中，是否已买过了
                 $model_order = Model('order');
                 //取商品列表
                 $order_goods_list = $model_order->getOrderGoodsList(array('goods_id' => $goods_id, 'buyer_id' => $buyer_id, 'goods_type' => 2));
                 if ($order_goods_list) {
                     //取得上次购买的活动编号(防一个商品参加多次团购活动的问题)
                     $promotions_id = $order_goods_list[0]["promotions_id"];
                     //用此编号取数据，检测是否这次活动的订单商品。
                     $model_groupbuy = Model('groupbuy');
                     $groupbuy_info = $model_groupbuy->getGroupbuyInfo(array('groupbuy_id' => $promotions_id));
                     if ($groupbuy_info) {
                         $IsHaveBuy = 1;
                     } else {
                         $IsHaveBuy = 0;
                     }
                 }
             }
         }
     }
     Tpl::output('IsHaveBuy', $IsHaveBuy);
     //end
     $model_plate = Model('store_plate');
     // 顶部关联版式
     if ($goods_info['plateid_top'] > 0) {
         $plate_top = $model_plate->getStorePlateInfoByID($goods_info['plateid_top']);
         Tpl::output('plate_top', $plate_top);
     }
     // 底部关联版式
     if ($goods_info['plateid_bottom'] > 0) {
         $plate_bottom = $model_plate->getStorePlateInfoByID($goods_info['plateid_bottom']);
         Tpl::output('plate_bottom', $plate_bottom);
     }
     Tpl::output('store_id', $goods_info['store_id']);
//.........这里部分代码省略.........

 /**
  * 店铺列表
  */
 public function indexOp()
 {
     /**
      * 读取语言包
      */
     Language::read('home_store_class_index');
     $lang = Language::getLangContent();
     //店铺类目快速搜索
     $class_list = ($h = F('store_class')) ? $h : rcache('store_class', true, 'file');
     if (!key_exists($_GET['cate_id'], $class_list)) {
         $_GET['cate_id'] = 0;
     }
     Tpl::output('class_list', $class_list);
     //店铺搜索
     $model = Model();
     $condition = array();
     $keyword = trim($_GET['keyword']);
     if (C('fullindexer.open') && !empty($keyword)) {
         //全文搜索
         $condition = $this->full_search($keyword);
     } else {
         if ($keyword != '') {
             $condition['store_name|store_zy'] = array('like', '%' . $keyword . '%');
         }
         if ($_GET['user_name'] != '') {
             $condition['member_name'] = trim($_GET['user_name']);
         }
     }
     if (!empty($_GET['area_id'])) {
         $condition['area_id'] = intval($_GET['area_id']);
     }
     if ($_GET['cate_id'] > 0) {
         $child = array_merge((array) $class_list[$_GET['cate_id']]['child'], array($_GET['cate_id']));
         $condition['sc_id'] = array('in', $child);
     }
     $condition['store_state'] = 1;
     if (!in_array($_GET['order'], array('desc', 'asc'))) {
         unset($_GET['order']);
     }
     if (!in_array($_GET['key'], array('store_sales', 'store_credit'))) {
         unset($_GET['key']);
     }
     $order = 'store_sort asc';
     if (isset($condition['store.store_id'])) {
         $condition['store_id'] = $condition['store.store_id'];
         unset($condition['store.store_id']);
     }
     $model_store = Model('store');
     $store_list = $model_store->where($condition)->order($order)->page(10)->select();
     //获取店铺商品数，推荐商品列表等信息
     $store_list = $model_store->getStoreSearchList($store_list);
     //print_r($store_list);exit();
     //信用度排序
     if ($_GET['key'] == 'store_credit') {
         if ($_GET['order'] == 'desc') {
             $store_list = sortClass::sortArrayDesc($store_list, 'store_credit_average');
         } else {
             $store_list = sortClass::sortArrayAsc($store_list, 'store_credit_average');
         }
     } else {
         if ($_GET['key'] == 'store_sales') {
             //销量排行
             if ($_GET['order'] == 'desc') {
                 $store_list = sortClass::sortArrayDesc($store_list, 'num_sales_jq');
             } else {
                 $store_list = sortClass::sortArrayAsc($store_list, 'num_sales_jq');
             }
         }
     }
     Tpl::output('store_list', $store_list);
     Tpl::output('show_page', $model->showpage(2));
     //当前位置
     if (intval($_GET['cate_id']) > 0) {
         $nav_link[1]['link'] = 'index.php?act=shop_search';
         $nav_link[1]['title'] = $lang['site_search_store'];
         $nav = $class_list[$_GET['cate_id']];
         //如果有父级
         if ($nav['sc_parent_id'] > 0) {
             $tmp = $class_list[$nav['sc_parent_id']];
             //存入父级
             $nav_link[] = array('title' => $tmp['sc_name'], 'link' => "index.php?act=shop_search&cate_id=" . $nav['sc_parent_id']);
         }
         //存入当前级
         $nav_link[] = array('title' => $nav['sc_name']);
     } else {
         $nav_link[1]['link'] = 'index.php';
         $nav_link[1]['title'] = $lang['homepage'];
         $nav_link[2]['title'] = $lang['site_search_store'];
     }
     $purl = $this->getParam();
     Tpl::output('nav_link_list', $nav_link);
     Tpl::output('purl', urlShop($purl['act'], $purl['op'], $purl['param']));
     //SEO
     Model('seo')->type('index')->show();
     Tpl::output('html_title', (empty($_GET['keyword']) ? '' : $_GET['keyword'] . ' - ') . C('site_name') . $lang['nc_common_search']);
     Tpl::showpage('shop_search');
 }