Files
2026-07-09 16:31:30 +08:00

127 lines
4.3 KiB
PHP

<?php
// 统一数据库配置
$dbHost = "10.150.117.190";
$dbUser = "root";
$dbPass = "hp93000";
$dbName = "alert_mail_stat";
// 统一数据库连接函数
function getDbConn() {
global $dbHost, $dbUser, $dbPass, $dbName;
$conn = mysqli_connect($dbHost, $dbUser, $dbPass, $dbName);
mysqli_set_charset($conn, "utf8mb4");
return $conn;
}
$act = $_GET['act'] ?? '';
// CSV导出接口(独立流式下载,不输出JSON头)
if ($act === "export_csv") {
$conn = getDbConn();
if (!$conn) {
header("Content-Type:text/html;charset=utf-8");
echo "数据库连接失败:" . mysqli_connect_error();
exit;
}
$today = date("Y-m-d");
$sql = "SELECT alert_type,alert_name,instance,severity,starts_at,receive_time
FROM alert_log WHERE DATE(receive_time) = '$today' ORDER BY receive_time DESC";
$res = mysqli_query($conn, $sql);
ob_clean();
header("Content-Type: text/csv; charset=utf-8");
header("Content-Disposition: attachment; filename=告警报表_" . $today . ".csv");
echo "\xEF\xBB\xBF";
$header = ["告警状态", "告警名称", "实例", "级别", "故障开始时间", "接收时间"];
echo implode(",", $header) . "\r\n";
while ($row = mysqli_fetch_assoc($res)) {
$status = $row['alert_type'] == 1 ? "触发" : "恢复";
$line = [
$status,
$row['alert_name'],
$row['instance'],
$row['severity'],
$row['starts_at'],
$row['receive_time']
];
foreach ($line as &$v) {
$v = '"' . str_replace('"', '""', $v) . '"';
}
echo implode(",", $line) . "\r\n";
}
mysqli_close($conn);
exit;
}
// 所有JSON接口统一返回头
header("Content-Type:application/json;charset=utf-8");
$conn = getDbConn();
if (!$conn) {
echo json_encode(["code" => 500, "msg" => "数据库连接失败:" . mysqli_connect_error()], JSON_UNESCAPED_UNICODE);
exit;
}
$today = date("Y-m-d");
// 1.今日统计卡片
if ($act === "day_total") {
$sql = "SELECT
SUM(IF(alert_type=1,1,0)) as fire_count,
SUM(IF(alert_type=2,1,0)) as resolve_count,
COUNT(DISTINCT instance) as instance_num
FROM alert_log WHERE DATE(receive_time) = '$today'";
$data = mysqli_fetch_assoc(mysqli_query($conn, $sql));
echo json_encode($data, JSON_UNESCAPED_UNICODE);
mysqli_close($conn);
exit;
}
// 2.今日告警TOP10图表
if ($act === "top_alert") {
$sql = "SELECT alert_name,COUNT(*) cnt FROM alert_log WHERE DATE(receive_time)='$today' GROUP BY alert_name ORDER BY cnt DESC LIMIT 10";
$list = [];
$q = mysqli_query($conn, $sql);
while ($r = mysqli_fetch_assoc($q)) $list[] = $r;
echo json_encode($list, JSON_UNESCAPED_UNICODE);
mysqli_close($conn);
exit;
}
// 3.今日全量告警明细
if ($act === "log_list") {
$sql = "SELECT alert_type,alert_name,instance,severity,starts_at,ends_at,receive_time
FROM alert_log WHERE DATE(receive_time)='$today' ORDER BY receive_time DESC";
$list = [];
$q = mysqli_query($conn, $sql);
while ($r = mysqli_fetch_assoc($q)) $list[] = $r;
echo json_encode($list, JSON_UNESCAPED_UNICODE);
mysqli_close($conn);
exit;
}
// 4.全局跨天未恢复告警(修复版,取每组最新一条判断状态)
if ($act === "active_firing") {
$maxSql = "SELECT alert_name,instance,MAX(receive_time) max_rt FROM alert_log GROUP BY alert_name,instance";
$maxRes = mysqli_query($conn, $maxSql);
$activeList = [];
while ($row = mysqli_fetch_assoc($maxRes)) {
$an = mysqli_real_escape_string($conn, $row['alert_name']);
$ins = mysqli_real_escape_string($conn, $row['instance']);
$rt = mysqli_real_escape_string($conn, $row['max_rt']);
$sql = "SELECT alert_name,instance,severity,starts_at,receive_time,alert_type
FROM alert_log WHERE alert_name='$an' AND instance='$ins' AND receive_time='$rt' LIMIT 1";
$one = mysqli_fetch_assoc(mysqli_query($conn, $sql));
if ($one && (int)$one['alert_type'] === 1) {
$activeList[] = $one;
}
}
echo json_encode($activeList, JSON_UNESCAPED_UNICODE);
mysqli_close($conn);
exit;
}
// 非法act
echo json_encode(["code" => 400, "msg" => "无效请求参数act"], JSON_UNESCAPED_UNICODE);
mysqli_close($conn);
?>