? '强' : '';
$b_huo = empty($city_pinyin) ? '火' : '';
// ==================== 4. 数据前置：获取列表数据供 SEO/GEO 及 HTML 使用 ====================
$page = isset($_GET['p']) ? (int)$_GET['p'] : 1;
$page = $page < 1 ? 1 : $page;
$line = isset($class_r[$classid]['lencord']) && $class_r[$classid]['lencord'] > 0 ? $class_r[$classid]['lencord'] : 20;
$count_sql = "SELECT count(*) as total FROM {$dbtbpre}ecms_{$tbname} WHERE 1=1 {$sql_class} {$city_sql_query} {$filter_sql}";
$total_r = $empire->fetch1($count_sql);
$totalnum = (int)$total_r['total'];
$totalpage = ceil($totalnum / $line);
if($totalpage < 1) $totalpage = 1;
if($page > $totalpage) $page = $totalpage;
$offset = ($page - 1) * $line;
// 分页 rel 链接计算
$page_args = [];
if($f_sex) $page_args[] = "sex=".urlencode($f_sex);
if($f_xinzi) $page_args[] = "xinzi=".$f_xinzi;
if($f_gangwei) $page_args[] = "gangwei=".urlencode($f_gangwei);
$page_qs_base = $page_args ? '?' . implode('&', $page_args) . '&' : '?';
$page_url_base = $base_url . $page_qs_base . "p=";
$rel_prev = ($page > 1) ? $page_url_base . ($page - 1) : '';
$rel_next = ($page < $totalpage) ? $page_url_base . ($page + 1) : '';
$city_map = array();
$map_query = $empire->query("SELECT title, pinyin FROM {$dbtbpre}ecms_city");
while($mc = $empire->fetch($map_query)) {
$city_map[$mc['title']] = $mc['pinyin'];
}
$current_time = time();
$query_sql = "SELECT * FROM {$dbtbpre}ecms_{$tbname} WHERE 1=1 {$sql_class} {$city_sql_query} {$filter_sql} ORDER BY (tuijian_level>0 AND tuijian_time>$current_time) DESC, tuijian_level ASC, firsttitle>0 DESC, firsttitle ASC, newstime DESC LIMIT $offset, $line";
$redis = new Redis();
$redis_is_connected = false;
try {
$redis->connect('127.0.0.1', 6379);
$redis_is_connected = true;
} catch (Exception $e) {}
$cache_key = 'zhaopin_list_' . md5($query_sql);
$cache_expire = 600;
$list_data = array();
if ($redis_is_connected && $redis->exists($cache_key)) {
$cached_json = $redis->get($cache_key);
$list_data = json_decode($cached_json, true);
} else {
$sql = $empire->query($query_sql);
while($r = $empire->fetch($sql)) {
$list_data[] = $r;
}
if ($redis_is_connected) {
$redis->setex($cache_key, $cache_expire, json_encode($list_data));
}
}
$list_count = count($list_data);
// ==================== 5. GEO 核心：生成 JSON-LD ItemList 结构化数据 ====================
$json_ld_items = array();
$position = 1;
foreach($list_data as $r) {
if($position > 10) break; // 防止 JSON-LD 过大，提供前10条给 AI 引擎即可
$art_classid = $r['classid'];
$art_classpath = isset($class_r[$art_classid]['classpath']) ? $class_r[$art_classid]['classpath'] : 'zhaopin';
$art_city_name = stripSlashes($r['city_id']);
$art_city_pinyin = isset($city_map[$art_city_name]) ? $city_map[$art_city_name] : '';
$art_dir_prefix = $art_city_pinyin ? $art_city_pinyin . '/' : '';
$titleurl = $public_r['newsurl'] . $art_dir_prefix . $art_classpath . '/' . $r['id'] . '.html';
$json_ld_items[] = array(
"@type" => "ListItem",
"position" => $position,
"item" => array(
"@type" => "JobPosting",
"title" => stripSlashes($r['target_job']),
"hiringOrganization" => array("@type" => "Organization", "name" => stripSlashes($r['company_name'])),
"jobLocation" => array("@type" => "Place", "address" => stripSlashes($r['province_id']) . stripSlashes($r['company_dizhi'])),
"url" => $titleurl
)
);
$position++;
}
$json_ld_itemlist = json_encode($json_ld_items, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
?>