/**
* @brief 创建分词类库实例
*/
private static function createInstance()
{
if (self::$instance == null) {
switch (self::$wordsName) {
default:
$classFile = IWeb::$app->getBasePath() . 'plugins/words/scws.php';
if (is_file($classFile)) {
include_once $classFile;
self::$instance = new scws();
}
break;
}
}
return self::$instance;
}
/**
* @brief 商品检索,可以直接读取 $_GET 全局变量:attr,order,brand,min_price,max_price
* 在检索商品过程中计算商品结果中的进一步属性和规格的筛选
* @param mixed $defaultWhere string(条件) or array('search' => '模糊查找','category_extend' => '商品分类ID','字段' => 对应数据)
* @param int $limit 读取数量
* @param bool $isCondition 是否筛选出商品的属性，价格等数据
* @return IQuery
*/
public static function find($defaultWhere = '', $limit = 21, $isCondition = true)
{
//获取配置信息
$siteConfigObj = new Config("site_config");
$site_config = $siteConfigObj->getInfo();
$orderArray = array();
//排序
//开始查询
$goodsObj = new IQuery("goods as go");
$goodsObj->page = isset($_GET['page']) ? intval($_GET['page']) : 1;
$goodsObj->fields = ' go.* ';
$goodsObj->pagesize = $limit;
/*where条件拼接*/
//(1),当前产品分类
$where = ' go.is_del = 0 ';
//(2),商品属性,规格筛选
$attrCond = array();
$childSql = '';
$attrArray = IReq::get('attr') ? IFilter::act(IReq::get('attr')) : array();
foreach ($attrArray as $key => $val) {
if ($key && $val) {
$attrCond[] = ' attribute_id = ' . intval($key) . ' and FIND_IN_SET("' . $val . '",attribute_value)';
}
}
//合并规格与属性的值,并且生成SQL查询语句
$GoodsId = null;
if ($attrCond) {
$tempArray = array();
foreach ($attrCond as $key => $cond) {
$tempArray[] = '(' . $cond . ')';
}
$childSql = join(' or ', $tempArray);
$goodsAttrObj = new IQuery('goods_attribute');
$goodsAttrObj->fields = 'goods_id';
$goodsAttrObj->where = $childSql;
$goodsAttrObj->group = 'goods_id';
$goodsAttrObj->having = 'count(goods_id) >= ' . count($attrCond);
//每个子条件都有一条记录，则存在几个count(条件)必须包含count(goods_id)条数量
$goodsIdArray = $goodsAttrObj->find();
$goodsIds = array();
foreach ($goodsIdArray as $key => $val) {
$goodsIds[] = $val['goods_id'];
}
$GoodsId = $GoodsId === null ? array_unique($goodsIds) : array_unique(array_intersect($goodsIds, $GoodsId));
}
//(3),处理defaultWhere条件 goods, category_extend
if ($defaultWhere) {
//兼容array 和 string 数据类型的goods条件筛选
$goodsCondArray = array();
if (is_string($defaultWhere)) {
$goodsCondArray[] = $defaultWhere;
} else {
if (is_array($defaultWhere)) {
foreach ($defaultWhere as $key => $val) {
if (!$val) {
continue;
}
//商品分类检索
if ($key == 'category_extend') {
$currentCatGoods = array();
$categoryExtendObj = new IModel('category_extend');
$categoryExtendList = $categoryExtendObj->query("category_id in (" . $val . ")", 'goods_id', 'id', 'desc');
foreach ($categoryExtendList as $key => $val) {
$currentCatGoods[] = $val['goods_id'];
}
$GoodsId = $GoodsId === null ? array_unique($currentCatGoods) : array_unique(array_intersect($currentCatGoods, $GoodsId));
} else {
if ($key == 'search') {
$wordWhere = array();
$wordLikeOrder = array();
//检查输入的内容是否为分词形式
if (preg_match("#\\s+#", $defaultWhere['search']) == false) {
$wordWhere[] = ' name like "%' . $defaultWhere['search'] . '%" or find_in_set("' . $defaultWhere['search'] . '",search_words) ';
$wordLikeOrder[] = $defaultWhere['search'];
}
//进行分词
if (IString::getStrLen($defaultWhere['search']) >= 4 || IString::getStrLen($defaultWhere['search']) <= 100) {
$wordData = words_facade::run($defaultWhere['search']);
if (isset($wordData['data']) && count($wordData['data']) >= 2) {
foreach ($wordData['data'] as $word) {
$wordWhere[] = ' name like "%' . $word . '%" ';
$wordLikeOrder[] = $word;
}
}
}
//分词排序
if (count($wordLikeOrder) > 1) {
$orderTempArray = array();
foreach ($wordLikeOrder as $key => $val) {
$orderTempArray[] = "(CASE WHEN name LIKE '%" . $val . "%' THEN " . $key . " ELSE 100 END)";
}
$orderArray[] = " (" . join('+', $orderTempArray) . ") asc ";
}
$goodsCondArray[] = join(' or ', $wordWhere);
} else {
$goodsCondArray[] = $key . ' = "' . $val . '"';
}
}
}
}
}
//goods 条件
if ($goodsCondArray) {
$goodsDB = new IModel('goods as go');
$goodsCondData = $goodsDB->query(join(" and ", $goodsCondArray), "id");
$goodsCondId = array();
foreach ($goodsCondData as $key => $val) {
$goodsCondId[] = $val['id'];
}
$GoodsId = $GoodsId === null ? array_unique($goodsCondId) : array_unique(array_intersect($goodsCondId, $GoodsId));
}
}
//过滤商品ID被删除的情况
if ($GoodsId) {
if (!isset($goodsDB)) {
$goodsDB = new IModel("goods as go");
}
$goodsCondData = $goodsDB->query("go.id in (" . join(',', $GoodsId) . ") and go.is_del = 0 ", "id");
$GoodsId = array();
foreach ($goodsCondData as $key => $val) {
$GoodsId[] = $val['id'];
}
}
$GoodsId = $GoodsId === array() || $GoodsId === null ? array(0) : array_unique($GoodsId);
//存在商品ID数据
if ($GoodsId) {
$GoodsId = array_slice($GoodsId, 0, search_goods::MAX_GOODSID);
$where .= " and go.id in (" . join(',', $GoodsId) . ") ";
//商品属性进行检索
if ($isCondition == true) {
/******属性 开始******/
$attrTemp = array();
$goodsAttrDB = new IModel('goods_attribute');
$attrData = $goodsAttrDB->query("goods_id in (" . join(',', $GoodsId) . ")");
foreach ($attrData as $key => $val) {
//属性
if ($val['attribute_id']) {
if (!isset($attrTemp[$val['attribute_id']])) {
$attrTemp[$val['attribute_id']] = array();
}
$checkSelectedArray = explode(",", $val['attribute_value']);
foreach ($checkSelectedArray as $k => $v) {
if (!in_array($v, $attrTemp[$val['attribute_id']])) {
$attrTemp[$val['attribute_id']][] = $v;
}
}
}
}
//属性的数据拼接
if ($attrTemp) {
$attrDB = new IModel('attribute');
$attrData = $attrDB->query("id in (" . join(',', array_keys($attrTemp)) . ") and search = 1", "*", "id", "asc", 8);
foreach ($attrData as $key => $val) {
self::$attrSearch[] = array('id' => $val['id'], 'name' => $val['name'], 'value' => $attrTemp[$val['id']]);
}
}
/******属性 结束******/
/******品牌 开始******/
$brandQuery = new IModel('brand as b,goods as go');
self::$brandSearch = $brandQuery->query("go.brand_id = b.id and go.id in (" . join(',', $GoodsId) . ")", "distinct b.id,b.name", "b.sort", "asc", 10);
/******品牌 结束******/
/******价格 开始******/
self::$priceSearch = goods_class::getGoodsPrice(join(',', $GoodsId));
/******价格 结束******/
}
}
//(4),商品价格
$where .= floatval(IReq::get('min_price')) ? ' and go.sell_price >= ' . floatval(IReq::get('min_price')) : '';
$where .= floatval(IReq::get('max_price')) ? ' and go.sell_price <= ' . floatval(IReq::get('max_price')) : '';
//(5),商品品牌
$where .= intval(IReq::get('brand')) ? ' and go.brand_id = ' . intval(IReq::get('brand')) : '';
//排序类别
$order = IFilter::act(IReq::get('order'), 'url');
if ($order == null) {
$order = isset($site_config['order_by']) ? $site_config['order_by'] : 'new';
$asc = isset($site_config['order_type']) ? $site_config['order_type'] : 'desc';
} else {
if (stripos($order, '_toggle')) {
$order = str_replace('_toggle', '', $order);
$asc = 'asc';
} else {
$asc = 'desc';
}
}
switch ($order) {
//销售量
case "sale":
$orderArray[] = ' go.sale ' . $asc;
break;
//评分
//评分
case "cpoint":
$orderArray[] = ' go.grade ' . $asc;
break;
//最新上架
//最新上架
case "new":
$orderArray[] = ' go.id ' . $asc;
break;
//价格
//价格
case "price":
$orderArray[] = ' go.sell_price ' . $asc;
break;
//根据排序字段
//根据排序字段
default:
$orderArray[] = ' go.sort asc ';
}
//设置IQuery类的各个属性
$goodsObj->where = $where;
$goodsObj->order = join(',', $orderArray);
return $goodsObj;
}
public function goods_tags_words()
{
$content = IFilter::act(IReq::get('content'));
$words = words_facade::run($content);
$result = array('result' => 'fail');
if (isset($words['data']) && $words['data']) {
$result = array('result' => 'success', 'data' => join(",", $words['data']));
}
die(JSON::encode($result));
}