javascript - ecshop 中如何在猜你喜欢中加入库存的判断，库存小于0就不显示-tutorial php-php.cn

我加了goods_number 但是没取出来

<code> /*
     *获取推荐商品(猜你喜欢)
     */
    function insert_like_product($arr){
        $need_cache = $GLOBALS['smarty']->caching;
        $need_compile = $GLOBALS['smarty']->force_compile;
        
        $GLOBALS['smarty']->caching = false;
        $GLOBALS['smarty']->force_compile = true;
        
        if (!in_array($arr['type'], array('like')))
        {
            $GLOBALS['smarty']->assign('number', $arr['number']);
            return array();
        }
        
        static $type_goods = array();
        if (empty($type_goods[$arr['type']]))
        {
            //初始化数据
            $type_goods['like']    = array();
            $goods_data = array();
            $data = read_static_cache('like_product_'.$arr['number']);
            if ($data == false)
            {
                $where = db_create_in($_COOKIE['ECS']['history'], 'goods_id');
                $sql   = 'SELECT goods_id, cat_id FROM ' . $GLOBALS['ecs']->table('goods') ." WHERE ".$where." AND is_on_sale = 1 AND is_alone_sale = 1 AND is_delete = 0";
                $like_goods =$GLOBALS['db']->getAll($sql);
                foreach($like_goods as $val)
                {
                    $like = get_category_goods('', $val['cat_id'],20,false);
                    foreach($like as $value)
                    {
                        if(count($goods_data) assign('like_goods', $goods_data);
        $GLOBALS['smarty']->assign('type', $arr['type']);
    
        
        $val= $GLOBALS['smarty']->fetch('library/like_product.lbi');
        
        $GLOBALS['smarty']->caching = $need_cache;
        $GLOBALS['smarty']->force_compile = $need_compile;
        
        return $val;
    }</code>

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===================================================================================

<code> *获取分类推荐商品
 */
    function get_category_goods($type = '', $cats = '',$num=0,$status=true, $brand = 0, $min =0,  $max = 0, $ext=''){
    $brand_where = ($brand > 0) ? " AND g.brand_id = '$brand'" : '';
    $price_where = ($min > 0) ? " AND g.shop_price >= $min " : '';
    $price_where .= ($max > 0) ? " AND g.shop_price table('goods') . ' AS g ' .
            'LEFT JOIN ' . $GLOBALS['ecs']->table('brand') . ' AS b ON b.brand_id = g.brand_id ' .
            "LEFT JOIN " . $GLOBALS['ecs']->table('member_price') . " AS mp ".
            "ON mp.goods_id = g.goods_id AND mp.user_rank = '$_SESSION[user_rank]' ".
            'WHERE g.is_on_sale = 1 AND g.is_alone_sale = 1 AND g.is_delete = 0 ' . $brand_where . $price_where . $ext;
    $type2lib = array('best'=>'recommend_best', 'new'=>'recommend_new', 'hot'=>'recommend_hot', 'promote'=>'recommend_promotion');
    if($status)
        $num = get_library_number($type2lib[$type]);


    switch ($type)
    {
        case 'best':
            $sql .= ' AND is_best = 1';
            break;
        case 'new':
            $sql .= ' AND is_new = 1';
            break;
        case 'hot':
            $sql .= ' AND is_hot = 1';
            break;
        case 'promote':
            $time = gmtime();
            $sql .= " AND is_promote = 1 AND promote_start_date = '$time'";
            break;
    }

    if (!empty($cats))
    {
        $sql .= " AND (g.cat_id=" . $cats . " OR " . get_extension_goods($cats) .")";
    }

    $order_type = $GLOBALS['_CFG']['recommend_order'];
    $sql .= ($order_type == 0) ? ' ORDER BY g.sort_order, g.last_update DESC' : ' ORDER BY RAND()';
    $res = $GLOBALS['db']->selectLimit($sql, $num);

    $idx = 0;
    $goods = array();
    while ($row = $GLOBALS['db']->fetchRow($res))
    {
        if ($row['promote_price'] > 0)
        {
            $promote_price = bargain_price($row['promote_price'], $row['promote_start_date'], $row['promote_end_date']);
            $goods[$idx]['promote_price'] = $promote_price > 0 ? price_format($promote_price) : '';
        }
        else
        {
            $goods[$idx]['promote_price'] = '';
        }

        $goods[$idx]['id']           = $row['goods_id'];
        $goods[$idx]['name']         = $row['goods_name'];
        $goods[$idx]['number']       = $row['goods_number'];//库存
        $goods[$idx]['brief']        = $row['goods_brief'];
        $goods[$idx]['brand_name']   = $row['brand_name'];
        $goods[$idx]['short_name']   = $GLOBALS['_CFG']['goods_name_length'] > 0 ?
        sub_str($row['goods_name'], $GLOBALS['_CFG']['goods_name_length']) : $row['goods_name'];
        $goods[$idx]['market_price'] = price_format($row['market_price']);
        $goods[$idx]['shop_price']   = price_format($row['shop_price']);
        $goods[$idx]['thumb']        = get_image_path($row['goods_id'], $row['goods_thumb'], true);
        $goods[$idx]['goods_img']    = get_image_path($row['goods_id'], $row['goods_img']);
        $goods[$idx]['url']          = build_uri('goods', array('gid' => $row['goods_id']), $row['goods_name']);

        $goods[$idx]['short_style_name'] = add_style($goods[$idx]['short_name'], $row['goods_name_style']);
        $idx++;
    }

    return $goods;
}
 </code>

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回复内容：

我加了goods_number 但是没取出来

<code> /*
     *获取推荐商品(猜你喜欢)
     */
    function insert_like_product($arr){
        $need_cache = $GLOBALS['smarty']->caching;
        $need_compile = $GLOBALS['smarty']->force_compile;
        
        $GLOBALS['smarty']->caching = false;
        $GLOBALS['smarty']->force_compile = true;
        
        if (!in_array($arr['type'], array('like')))
        {
            $GLOBALS['smarty']->assign('number', $arr['number']);
            return array();
        }
        
        static $type_goods = array();
        if (empty($type_goods[$arr['type']]))
        {
            //初始化数据
            $type_goods['like']    = array();
            $goods_data = array();
            $data = read_static_cache('like_product_'.$arr['number']);
            if ($data == false)
            {
                $where = db_create_in($_COOKIE['ECS']['history'], 'goods_id');
                $sql   = 'SELECT goods_id, cat_id FROM ' . $GLOBALS['ecs']->table('goods') ." WHERE ".$where." AND is_on_sale = 1 AND is_alone_sale = 1 AND is_delete = 0";
                $like_goods =$GLOBALS['db']->getAll($sql);
                foreach($like_goods as $val)
                {
                    $like = get_category_goods('', $val['cat_id'],20,false);
                    foreach($like as $value)
                    {
                        if(count($goods_data) assign('like_goods', $goods_data);
        $GLOBALS['smarty']->assign('type', $arr['type']);
    
        
        $val= $GLOBALS['smarty']->fetch('library/like_product.lbi');
        
        $GLOBALS['smarty']->caching = $need_cache;
        $GLOBALS['smarty']->force_compile = $need_compile;
        
        return $val;
    }</code>

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===================================================================================

<code> *获取分类推荐商品
 */
    function get_category_goods($type = '', $cats = '',$num=0,$status=true, $brand = 0, $min =0,  $max = 0, $ext=''){
    $brand_where = ($brand > 0) ? " AND g.brand_id = '$brand'" : '';
    $price_where = ($min > 0) ? " AND g.shop_price >= $min " : '';
    $price_where .= ($max > 0) ? " AND g.shop_price table('goods') . ' AS g ' .
            'LEFT JOIN ' . $GLOBALS['ecs']->table('brand') . ' AS b ON b.brand_id = g.brand_id ' .
            "LEFT JOIN " . $GLOBALS['ecs']->table('member_price') . " AS mp ".
            "ON mp.goods_id = g.goods_id AND mp.user_rank = '$_SESSION[user_rank]' ".
            'WHERE g.is_on_sale = 1 AND g.is_alone_sale = 1 AND g.is_delete = 0 ' . $brand_where . $price_where . $ext;
    $type2lib = array('best'=>'recommend_best', 'new'=>'recommend_new', 'hot'=>'recommend_hot', 'promote'=>'recommend_promotion');
    if($status)
        $num = get_library_number($type2lib[$type]);


    switch ($type)
    {
        case 'best':
            $sql .= ' AND is_best = 1';
            break;
        case 'new':
            $sql .= ' AND is_new = 1';
            break;
        case 'hot':
            $sql .= ' AND is_hot = 1';
            break;
        case 'promote':
            $time = gmtime();
            $sql .= " AND is_promote = 1 AND promote_start_date = '$time'";
            break;
    }

    if (!empty($cats))
    {
        $sql .= " AND (g.cat_id=" . $cats . " OR " . get_extension_goods($cats) .")";
    }

    $order_type = $GLOBALS['_CFG']['recommend_order'];
    $sql .= ($order_type == 0) ? ' ORDER BY g.sort_order, g.last_update DESC' : ' ORDER BY RAND()';
    $res = $GLOBALS['db']->selectLimit($sql, $num);

    $idx = 0;
    $goods = array();
    while ($row = $GLOBALS['db']->fetchRow($res))
    {
        if ($row['promote_price'] > 0)
        {
            $promote_price = bargain_price($row['promote_price'], $row['promote_start_date'], $row['promote_end_date']);
            $goods[$idx]['promote_price'] = $promote_price > 0 ? price_format($promote_price) : '';
        }
        else
        {
            $goods[$idx]['promote_price'] = '';
        }

        $goods[$idx]['id']           = $row['goods_id'];
        $goods[$idx]['name']         = $row['goods_name'];
        $goods[$idx]['number']       = $row['goods_number'];//库存
        $goods[$idx]['brief']        = $row['goods_brief'];
        $goods[$idx]['brand_name']   = $row['brand_name'];
        $goods[$idx]['short_name']   = $GLOBALS['_CFG']['goods_name_length'] > 0 ?
        sub_str($row['goods_name'], $GLOBALS['_CFG']['goods_name_length']) : $row['goods_name'];
        $goods[$idx]['market_price'] = price_format($row['market_price']);
        $goods[$idx]['shop_price']   = price_format($row['shop_price']);
        $goods[$idx]['thumb']        = get_image_path($row['goods_id'], $row['goods_thumb'], true);
        $goods[$idx]['goods_img']    = get_image_path($row['goods_id'], $row['goods_img']);
        $goods[$idx]['url']          = build_uri('goods', array('gid' => $row['goods_id']), $row['goods_name']);

        $goods[$idx]['short_style_name'] = add_style($goods[$idx]['short_name'], $row['goods_name_style']);
        $idx++;
    }

    return $goods;
}
 </code>

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你找到了对应的方法，那改了以后就打印下SQL语句调试下吧

insert_like_product函数中where条件加个goods_number>0的判断啊