//分析所在子站
switch_cache($arc->archive['sid']);
$sid = $arc->archive['sid'];
if_siteclosed($sid);
//分析权限与扣积分，文章出售
$ispre = 0;
//是否启动前导页
$pretpl = $arc->channel['pretpl'];
if (!arc_allow($arc->archive, 'aread')) {
//分析权限，如果有备用页，则进入备用页。
if (!$pretpl) {
message('noarchbrowspermis');
}
$ispre = 1;
}
if ($crids = $arc->arc_crids()) {
//需要对当前用户扣值
$cridstr = '';
foreach ($crids['total'] as $k => $v) {
$cridstr .= ($cridstr ? ',' : '') . abs($v) . $currencys[$k]['unit'] . $currencys[$k]['cname'];
}
$commu = read_cache('commu', 8);
if (!empty($commu['setting']['autoarc'])) {
//不自动扣值的情况：如有前导页，进前导页，否则提示出订阅链接，选择是否订阅
if (!$pretpl) {
message('purarcwantpaycur' . $cridstr . "<br><br><a href=\"tools/subscribe.php?aid={$aid}\">>>" . lang('subscribe') . "</a>");
}
$ispre = 1;
} else {
//自动扣值,当前会员扣值及向出售者支付积分
if (!$curuser->crids_enough($crids['total'])) {
$inajax = empty($inajax) ? 0 : 1;
$aid = empty($aid) ? 0 : max(0, intval($aid));
$isatm = empty($isatm) ? 0 : 1;
!$aid && cumessage('confchoosarchi');
!$memberid && cumessage('nousernosubper');
$commu = read_cache('commu', 8);
empty($commu) && cumessage('choosecommuitem');
if (empty($commu['ucadd'])) {
!$curuser->pmbypmids('cuadd', $commu['setting']['apmid']) && cumessage('younoitempermis');
$arc = new cls_archive();
!$arc->arcid($aid) && cumessage('choosearchive');
!$arc->archive['checked'] && cumessage('poinarcnoche');
switch_cache($arc->archive['sid']);
$sid = $arc->archive['sid'];
$stritem = $isatm ? 'attachment' : 'archive';
if (!($crids = $arc->arc_crids($isatm))) {
cumessage("youalrpurchasestritem", '', $stritem);
}
$cridstr = '';
foreach ($crids['total'] as $k => $v) {
$cridstr .= ($cridstr ? ',' : '') . abs($v) . $currencys[$k]['unit'] . $currencys[$k]['cname'];
}
if (!$curuser->crids_enough($crids['total'])) {
cumessage('younopurcstriwanenocurr', '', $stritem);
}
$curuser->updatecrids($crids['total'], 0, lang("purchasestritem", $stritem));
$curuser->payrecord($arc->aid, $isatm, $cridstr, 1);
if (!empty($crids['sale'])) {
$actuser = new cls_userinfo();
$actuser->activeuser($arc->archive['mid']);
foreach ($crids['sale'] as $k => $v) {
