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<?php
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declare(strict_types=1);
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namespace app\common\service;
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use think\facade\Config;
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use think\facade\Log;
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/**
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* 京东官方物流轨迹查询（JOS 开放平台 https://api.jd.com/routerjson）
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*
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* 作用：作为快递100 对「京东自营运单（JDVE…）」轨迹陈旧/缺失时的兜底数据源。
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* 仅在 config/logistics.php 的 jd.enable=true（即填好 app_key/app_secret/access_token）时生效；
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* 未配置时 isConfigured()=false，ExpressTrackService 完全沿用快递100 逻辑，互不影响。
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*
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* 默认调用青龙「运单轨迹查询」jingdong.ldop.receive.trace.get；
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* 若你方用 ECLP 等其它接口，可在 .env 覆盖 JD_LOGISTICS_METHOD / JD_LOGISTICS_PARAM_KEY / JD_LOGISTICS_WAYBILL_FIELD，
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* 无需改代码（响应解析采用「递归找轨迹行」的宽松策略，兼容多种返回结构）。
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*
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* 签名（JOS 标准）：sign = strtoupper(md5(secret + 拼接(ksort 后的 key.value) + secret))
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*/
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final class JdLogisticsService
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{
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/** 轨迹行「时间」候选字段（按优先级） */
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private const TIME_FIELDS = [
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'operatorTime', 'opeTime', 'operateTime', 'msgTime', 'scanTime',
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'time', 'createTime', 'waybillStateTime', 'orderTime',
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];
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/** 轨迹行「描述」候选字段（按优先级） */
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private const CONTEXT_FIELDS = [
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'operateRemark', 'opeRemark', 'content', 'opeTitle', 'remark',
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'scanTypeName', 'waybillStateName', 'message', 'desc', 'msg',
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];
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public static function isConfigured(): bool
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{
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$cfg = Config::get('logistics.jd', []);
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return !empty($cfg['enable'])
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&& trim((string) ($cfg['app_key'] ?? '')) !== ''
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&& trim((string) ($cfg['app_secret'] ?? '')) !== ''
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&& trim((string) ($cfg['access_token'] ?? '')) !== '';
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}
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/**
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* 查询京东官方轨迹，返回与 ExpressTrackService::query 兼容的结构（失败/未配置返回 null）。
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*
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* @return array{
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* traces: list<array{time:string,context:string,status:string}>,
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* state: string,
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* state_text: string,
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* source: string,
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* hint: string,
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* newest_unix: int
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* }|null
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*/
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public static function queryTrace(string $waybillCode): ?array
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{
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$num = trim($waybillCode);
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if ($num === '' || !self::isConfigured()) {
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return null;
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}
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$cfg = Config::get('logistics.jd', []);
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$bizParam = [
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(string) ($cfg['waybill_field'] ?? 'waybillCode') => $num,
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];
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$customerCode = trim((string) ($cfg['customer_code'] ?? ''));
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if ($customerCode !== '') {
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$bizParam['customerCode'] = $customerCode;
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}
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$raw = self::request($cfg, $bizParam);
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if ($raw === null) {
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return null;
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}
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$json = json_decode($raw, true);
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if (!is_array($json)) {
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Log::warning('JdLogisticsService invalid json', ['raw' => mb_substr($raw, 0, 500), 'num' => $num]);
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return null;
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}
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// JOS 网关层错误（如 access_token 失效）在顶层返回 error_response
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if (isset($json['error_response'])) {
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Log::warning('JdLogisticsService gateway error', [
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'num' => $num,
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'error' => $json['error_response'],
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]);
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return null;
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}
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$rows = self::extractTraceRows($json);
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if ($rows === []) {
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Log::info('JdLogisticsService no trace rows', ['num' => $num, 'json' => mb_substr($raw, 0, 800)]);
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return null;
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}
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$traces = self::normalizeRows($rows);
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if ($traces === []) {
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return null;
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}
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// 时间倒序（最新在前），与快递100 输出一致
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usort($traces, static function (array $a, array $b): int {
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return ($b['_unix'] ?? 0) <=> ($a['_unix'] ?? 0);
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});
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$newestUnix = (int) ($traces[0]['_unix'] ?? 0);
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$signed = false;
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foreach ($traces as $t) {
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if (self::looksSigned((string) $t['context'])) {
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$signed = true;
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break;
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}
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}
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$state = $signed ? '3' : '0';
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// 去掉内部辅助字段
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$clean = [];
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foreach ($traces as $t) {
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$clean[] = [
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'time' => (string) $t['time'],
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'context' => (string) $t['context'],
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'status' => (string) ($t['status'] ?? ''),
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];
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}
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return [
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'traces' => $clean,
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'state' => $state,
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'state_text' => $signed ? '已签收' : '在途',
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'source' => 'jd_official',
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'hint' => '',
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'newest_unix' => $newestUnix,
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];
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}
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/**
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* @param array<string,mixed> $cfg
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* @param array<string,mixed> $bizParam
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*/
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private static function request(array $cfg, array $bizParam): ?string
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{
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$paramKey = (string) ($cfg['param_key'] ?? '360buy_param_json');
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$params = [
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'method' => (string) ($cfg['method'] ?? 'jingdong.ldop.receive.trace.get'),
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'app_key' => (string) ($cfg['app_key'] ?? ''),
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'access_token' => (string) ($cfg['access_token'] ?? ''),
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'timestamp' => date('Y-m-d H:i:s'),
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'format' => 'json',
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'v' => (string) ($cfg['api_version'] ?? '2.0'),
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$paramKey => json_encode($bizParam, JSON_UNESCAPED_UNICODE),
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];
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$params['sign'] = self::sign($params, (string) ($cfg['app_secret'] ?? ''));
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$gateway = (string) ($cfg['gateway'] ?? 'https://api.jd.com/routerjson');
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return self::httpPostForm($gateway, http_build_query($params));
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}
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/**
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* JOS 签名：strtoupper(md5(secret + 拼接(ksort 后的 key.value) + secret))
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*
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* @param array<string,string> $params
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*/
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private static function sign(array $params, string $secret): string
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{
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ksort($params);
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$concat = '';
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foreach ($params as $k => $v) {
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$concat .= $k . $v;
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}
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return strtoupper(md5($secret . $concat . $secret));
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}
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/**
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* 递归在响应 JSON 中找出「轨迹行数组」：取出现轨迹行最多的一组。
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* 兼容字段被序列化成 JSON 字符串（如 querytrace_result 为 string）的情况。
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*
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* @param mixed $node
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* @return list<array<string,mixed>>
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*/
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private static function extractTraceRows($node): array
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{
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$best = [];
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$walk = function ($n) use (&$walk, &$best): void {
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if (is_string($n)) {
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$trimmed = trim($n);
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if ($trimmed !== '' && ($trimmed[0] === '{' || $trimmed[0] === '[')) {
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$decoded = json_decode($trimmed, true);
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if (is_array($decoded)) {
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$walk($decoded);
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}
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}
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return;
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}
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if (!is_array($n)) {
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return;
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}
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// 是否为「轨迹行的列表」：连续数字键、且元素是带时间/描述字段的关联数组
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if (self::isList($n)) {
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$rows = [];
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foreach ($n as $item) {
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if (is_array($item) && self::rowHasTraceFields($item)) {
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$rows[] = $item;
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}
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}
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if (count($rows) > count($best)) {
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$best = $rows;
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}
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}
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foreach ($n as $v) {
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$walk($v);
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}
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};
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$walk($node);
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return $best;
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}
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/**
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* @param array<string,mixed> $row
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*/
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private static function rowHasTraceFields(array $row): bool
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{
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$hasTime = false;
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foreach (self::TIME_FIELDS as $f) {
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if (isset($row[$f]) && trim((string) $row[$f]) !== '') {
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$hasTime = true;
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break;
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}
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}
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if (!$hasTime) {
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return false;
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}
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foreach (self::CONTEXT_FIELDS as $f) {
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if (isset($row[$f]) && trim((string) $row[$f]) !== '') {
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return true;
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}
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}
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return false;
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}
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/**
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* @param array<int, array<string,mixed>> $rows
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* @return list<array{time:string,context:string,status:string,_unix:int}>
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*/
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private static function normalizeRows(array $rows): array
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{
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$out = [];
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foreach ($rows as $row) {
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$time = '';
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foreach (self::TIME_FIELDS as $f) {
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if (isset($row[$f]) && trim((string) $row[$f]) !== '') {
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$time = trim((string) $row[$f]);
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break;
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}
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}
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$context = '';
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foreach (self::CONTEXT_FIELDS as $f) {
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if (isset($row[$f]) && trim((string) $row[$f]) !== '') {
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$context = trim((string) $row[$f]);
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break;
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}
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}
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if ($time === '' && $context === '') {
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continue;
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}
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$unix = self::parseTimeToUnix($time);
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$out[] = [
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'time' => $time !== '' ? self::formatTime($time, $unix) : '',
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'context' => $context,
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'status' => '',
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'_unix' => $unix,
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];
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}
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return $out;
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}
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private static function parseTimeToUnix(string $time): int
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{
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$t = trim($time);
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if ($t === '') {
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return 0;
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}
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// 毫秒时间戳
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if (preg_match('/^\d{13}$/', $t)) {
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return (int) ((int) $t / 1000);
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}
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// 秒时间戳
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if (preg_match('/^\d{10}$/', $t)) {
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return (int) $t;
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}
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$p = strtotime($t);
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return $p !== false ? (int) $p : 0;
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}
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private static function formatTime(string $raw, int $unix): string
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{
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// 纯时间戳统一格式化成可读时间，便于落库/前端展示
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if ($unix > 0 && preg_match('/^\d{10,13}$/', trim($raw))) {
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return date('Y-m-d H:i:s', $unix);
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}
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return $raw;
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}
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/**
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* @param array<mixed> $arr
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*/
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private static function isList(array $arr): bool
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{
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if ($arr === []) {
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return false;
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}
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if (function_exists('array_is_list')) {
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return array_is_list($arr);
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}
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return array_keys($arr) === range(0, count($arr) - 1);
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}
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private static function looksSigned(string $hay): bool
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{
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if ($hay === '') {
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return false;
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}
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foreach (['准备签收', '待签收', '等待签收', '预计', '即将送达'] as $neg) {
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if (mb_stripos($hay, $neg) !== false) {
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return false;
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}
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}
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foreach (['签收', '妥投', '送达', '已放在'] as $k) {
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if (mb_stripos($hay, $k) !== false) {
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return true;
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}
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}
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return false;
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}
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private static function httpPostForm(string $url, string $body): ?string
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{
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if (!function_exists('curl_init')) {
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return null;
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}
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_POST, true);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_TIMEOUT, 15);
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curl_setopt($ch, CURLOPT_HTTPHEADER, [
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'Content-Type: application/x-www-form-urlencoded',
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]);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
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curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
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$resp = curl_exec($ch);
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$err = curl_error($ch);
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curl_close($ch);
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if ($resp === false) {
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Log::warning('JdLogisticsService http error', ['url' => $url, 'error' => $err]);
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return null;
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}
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return (string) $resp;
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}
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}
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