function get_lunar_date() {
    $current_date = new DateTime('now', new DateTimeZone('Asia/Shanghai'));
    $year = $current_date->format('Y');
    $month = $current_date->format('n');
    $day = $current_date->format('j');
    $hour = $current_date->format('G');
    $minute = $current_date->format('i');

    $url = 'http://cn2.e-123.cn:8081/api/lunar?' . time();
    $data = json_encode([
        'year' => $year,
        'month' => $month,
        'day' => $day,
        'hour' => $hour,
        'minute' => $minute
    ]);
    $ch = curl_init($url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, [
        'Accept: application/json',
        'Content-Type: application/json',
    ]);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
    $response = curl_exec($ch);
    if ($response === false) {
        $error = curl_error($ch);
        curl_close($ch);
        return '<p>cURL 错误: ' . $error . '</p>';
    }
    curl_close($ch);

    $result = json_decode($response, true);
    if ($result) {
        $gregorian_date = date('Y-m-d', strtotime($result['日期']));
        $lunar_info = $result['农历'];
        $start_pos = mb_strpos($lunar_info, '年') + 1;
        $lunar_date = mb_substr($lunar_info, $start_pos);
        return $gregorian_date . "\t" . $lunar_date;
    } else {
        return '<p>无法获取农历信息。</p>';
    }
}

function get_jieqi_info() {
    $current_date = new DateTime();
    $year = $current_date->format('Y');
    $month = $current_date->format('n');
    $day = $current_date->format('j');
    $hour = $current_date->format('G');
    $minute = $current_date->format('i');

    $url = 'http://cn2.e-123.cn:8081/api/lunar';
    $data = json_encode([
        'year' => $year,
        'month' => $month,
        'day' => $day,
        'hour' => $hour,
        'minute' => $minute
    ]);

    $ch = curl_init($url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, [
        'Accept: application/json',
        'Content-Type: application/json',
    ]);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);

    $response = curl_exec($ch);

    if ($response === false) {
        $error = curl_error($ch);
        curl_close($ch);
        return '<p>cURL 错误: ' . $error . '</p>';
    }

    curl_close($ch);

    $result = json_decode($response, true);
    if ($result) {
        // 获取节气信息
        $current_jieqi = $result['今日节气'];
        $next_jieqi = isset($result['下一节气']) ? $result['下一节气'][0] : '无';

        // 存储节气信息
        return '当日节气: ' . $current_jieqi . ' | 下一个节气: ' . $next_jieqi;
    } else {
        return '<p>无法获取农历信息。</p>';
    }
}