$expire)) {
session_destroy();
header("Location: login.php");
exit;
}
$_SESSION['login_time'] = time();
$userName = htmlspecialchars($_SESSION['username'] ?? "");
$userRole = $_SESSION['role'] ?? "user";
// 固定配置
$grafanaUrl = "http://10.150.117.190:3000";
$currentLang = "zh";
$langMap = [
'zh' => [
'page_title' => '告警时序监控面板',
'global_search' => '全局检索(告警/实例/级别)',
'filter_instance' => '实例IP模糊匹配',
'start_date' => '起始日期',
'end_date' => '结束日期',
'severity_title' => '告警级别',
'status_title' => '告警状态',
'btn_query' => '查询',
'btn_reset' => '重置筛选',
'btn_detail_mode' => '切换详细模式',
'tip_distinct' => '当前：去重汇总模式',
'tip_raw' => '当前：逐条时序模式',
'stat_total' => '总告警种类',
'stat_firing' => '触发中',
'stat_resolved' => '已恢复',
'stat_critical' => '严重告警',
'hour_chart_title' => '24小时告警触发趋势',
'pie_title' => '告警级别分布占比',
'col_state' => '状态',
'col_alert' => '告警名称',
'col_instance' => '实例地址',
'col_severity' => '级别',
'col_count' => '当日触发次数',
'col_time' => '最新触发时间',
'btn_copy_name' => '复制告警名',
'btn_copy_link' => '复制筛选链接',
'btn_export' => '导出CSV报表',
'btn_refresh_auto' => '60秒自动刷新',
'modal_title' => '告警完整详情',
'modal_grafana' => '跳转Grafana大盘',
'modal_labels' => '全量标签信息',
'empty_tip' => '暂无匹配告警数据，请调整筛选条件',
'storm_tip' => '风暴告警',
'shortcut_tip' => 'Enter快速查询 | ESC关闭弹窗 | Ctrl+F全局搜索'
]
];
$t = $langMap[$currentLang];
$today = date("Y-m-d");
?>
<?php echo $t['page_title']; ?>