}
 if (empty($_SESSION['user_id'])) {
     show_message($_LANG['not_login']);
 }
 $snatch = get_snatch($id);
 if (empty($snatch)) {
     ecs_header("Location: ./\n");
     exit;
 }
 /* 未结束，不能购买 */
 if (empty($snatch['is_end'])) {
     $page = build_uri('snatch', array('sid' => $id));
     ecs_header("Location: {$page}\n");
     exit;
 }
 $result = get_snatch_result($id);
 if ($_SESSION['user_id'] != $result['user_id']) {
     show_message($_LANG['not_for_you']);
 }
 //检查是否已经购买过
 if ($result['order_count'] > 0) {
     show_message($_LANG['order_placed']);
 }
 /* 处理规格属性 */
 $goods_attr = '';
 $goods_attr_id = '';
 if ($snatch['product_id'] > 0) {
     $product_info = get_good_products($snatch['goods_id'], 'AND product_id = ' . $snatch['product_id']);
     $goods_attr_id = str_replace('|', ',', $product_info[0]['goods_attr']);
     $attr_list = array();
     $sql = "SELECT a.attr_name, g.attr_value " . "FROM " . $ecs->table('goods_attr') . " AS g, " . $ecs->table('attribute') . " AS a " . "WHERE g.attr_id = a.attr_id " . "AND g.goods_attr_id " . db_create_in($goods_attr_id);

/**
 *  获取用户参与活动信息.
 *
 * @param int $user_id 用户id
 *
 * @return array
 */
function get_user_prompt($user_id)
{
    $prompt = array();
    $now = gmtime();
    /* 夺宝奇兵 */
    $sql = 'SELECT act_id, goods_name, end_time ' . 'FROM ' . $GLOBALS['ecs']->table('goods_activity') . " WHERE act_type = '" . GAT_SNATCH . "'" . " AND (is_finished = 1 OR (is_finished = 0 AND end_time <= '{$now}'))";
    $res = $GLOBALS['db']->query($sql);
    while ($row = $GLOBALS['db']->fetchRow($res)) {
        $act_id = $row['act_id'];
        $result = get_snatch_result($act_id);
        if (isset($result['order_count']) && $result['order_count'] == 0 && $result['user_id'] == $user_id) {
            $prompt[] = array('text' => sprintf($GLOBALS['_LANG']['your_snatch'], $row['goods_name'], $row['act_id']), 'add_time' => $row['end_time']);
        }
        if (isset($auction['last_bid']) && $auction['last_bid']['bid_user'] == $user_id && $auction['order_count'] == 0) {
            $prompt[] = array('text' => sprintf($GLOBALS['_LANG']['your_auction'], $row['goods_name'], $row['act_id']), 'add_time' => $row['end_time']);
        }
    }
    /* 竞拍 */
    $sql = 'SELECT act_id, goods_name, end_time ' . 'FROM ' . $GLOBALS['ecs']->table('goods_activity') . " WHERE act_type = '" . GAT_AUCTION . "'" . " AND (is_finished = 1 OR (is_finished = 0 AND end_time <= '{$now}'))";
    $res = $GLOBALS['db']->query($sql);
    while ($row = $GLOBALS['db']->fetchRow($res)) {
        $act_id = $row['act_id'];
        $auction = auction_info($act_id);
        if (isset($auction['last_bid']) && $auction['last_bid']['bid_user'] == $user_id && $auction['order_count'] == 0) {
            $prompt[] = array('text' => sprintf($GLOBALS['_LANG']['your_auction'], $row['goods_name'], $row['act_id']), 'add_time' => $row['end_time']);
        }
    }
    /* 排序 */
    $cmp = create_function('$a, $b', 'if($a["add_time"] == $b["add_time"]){return 0;};return $a["add_time"] < $b["add_time"] ? 1 : -1;');
    usort($prompt, $cmp);
    /* 格式化时间 */
    foreach ($prompt as $key => $val) {
        $prompt[$key]['formated_time'] = local_date($GLOBALS['_CFG']['time_format'], $val['add_time']);
    }
    return $prompt;
}

    sys_msg($_LANG['edit_succeed'], 0, $link);
} elseif ($_REQUEST['act'] == 'view') {
    /* 权限判断 */
    admin_priv('snatch_manage');
    $id = empty($_REQUEST['snatch_id']) ? 0 : intval($_REQUEST['snatch_id']);
    $bid_list = get_snatch_detail();
    $smarty->assign('bid_list', $bid_list['bid']);
    $smarty->assign('filter', $bid_list['filter']);
    $smarty->assign('record_count', $bid_list['record_count']);
    $smarty->assign('page_count', $bid_list['page_count']);
    $sort_flag = sort_flag($bid_list['filter']);
    $smarty->assign($sort_flag['tag'], $sort_flag['img']);
    /* 赋值 */
    $smarty->assign('info', get_snatch_info($id));
    $smarty->assign('full_page', 1);
    $smarty->assign('result', get_snatch_result($id));
    $smarty->assign('ur_here', $_LANG['view_detail']);
    $smarty->assign('action_link', array('text' => $_LANG['02_snatch_list'], 'href' => 'snatch.php?act=list'));
    $smarty->display('snatch_view.htm');
} elseif ($_REQUEST['act'] == 'query_bid') {
    $bid_list = get_snatch_detail();
    $smarty->assign('bid_list', $bid_list['bid']);
    $smarty->assign('filter', $bid_list['filter']);
    $smarty->assign('record_count', $bid_list['record_count']);
    $smarty->assign('page_count', $bid_list['page_count']);
    $sort_flag = sort_flag($bid_list['filter']);
    $smarty->assign($sort_flag['tag'], $sort_flag['img']);
    make_json_result($smarty->fetch('snatch_view.htm'), '', array('filter' => $bid_list['filter'], 'page_count' => $bid_list['page_count']));
} elseif ($_REQUEST['act'] == 'search_goods') {
    include_once ROOT_PATH . 'includes/cls_json.php';
    $json = new JSON();