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<?php
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namespace App\Http\Controllers\Api;
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use App\Http\Controllers\Controller;
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use Illuminate\Http\JsonResponse;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\Http;
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class MapController extends Controller
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{
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/** 苏州大致范围（minLng,minLat,maxLng,maxLat） */
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private const SUZHOU_MAP_BOUND = '119.90,30.75,121.35,32.05';
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/** 天地图「服务端」Key（与浏览器 Key 不同）；未配置则搜索/逆地理走腾讯 WebService */
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private function tiandituServerTk(): ?string
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{
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$key = trim((string) env('TIANDITU_SERVER_TK', ''));
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if ($key !== '') {
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return $key;
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}
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return null;
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}
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private function tencentServerKey(): string
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{
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$key = trim((string) env('TENCENT_MAP_SERVER_KEY', ''));
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abort_unless($key !== '', 500, '未配置腾讯地图服务端 Key（TENCENT_MAP_SERVER_KEY）');
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return $key;
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}
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public function search(Request $request): JsonResponse
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{
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$data = $request->validate([
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'keyword' => ['required', 'string', 'max:120'],
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'region' => ['nullable', 'string', 'max:80'],
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]);
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$tk = $this->tiandituServerTk();
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if ($tk !== null) {
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$rows = $this->searchTianditu($data['keyword'], $tk);
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if ($rows !== null) {
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return response()->json($rows);
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}
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}
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return response()->json($this->searchTencent($data['keyword'], $data['region'] ?? '苏州'));
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}
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public function reverseGeocode(Request $request): JsonResponse
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{
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$data = $request->validate([
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'lat' => ['required', 'numeric'],
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'lng' => ['required', 'numeric'],
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]);
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$tk = $this->tiandituServerTk();
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if ($tk !== null) {
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$row = $this->reverseTianditu((float) $data['lat'], (float) $data['lng'], $tk);
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if ($row !== null) {
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return response()->json($row);
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}
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}
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return response()->json($this->reverseTencent((float) $data['lat'], (float) $data['lng']));
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}
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/** @return array<int, array<string, mixed>>|null null 表示应回退腾讯 */
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private function searchTianditu(string $keyword, string $tk): ?array
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{
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$postStr = json_encode([
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'keyWord' => $keyword,
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'level' => 12,
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'mapBound' => self::SUZHOU_MAP_BOUND,
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'queryType' => 1,
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'start' => 0,
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'count' => 15,
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], JSON_UNESCAPED_UNICODE);
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$resp = Http::get('https://api.tianditu.gov.cn/v2/search', [
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'postStr' => $postStr,
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'type' => 'query',
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'tk' => $tk,
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])->json();
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if (! is_array($resp)) {
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return null;
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}
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if ($this->tiandituApiFailed($resp)) {
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return null;
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}
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$pois = $resp['pois'] ?? $resp['data'] ?? [];
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if (! is_array($pois)) {
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return [];
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}
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return collect($pois)->map(function ($item) {
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$item = is_array($item) ? $item : [];
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$lonlat = (string) ($item['lonlat'] ?? $item['lonLat'] ?? '');
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$lng = null;
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$lat = null;
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if ($lonlat !== '' && str_contains($lonlat, ',')) {
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[$lngRaw, $latRaw] = array_map('trim', explode(',', $lonlat, 2));
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$lng = is_numeric($lngRaw) ? (float) $lngRaw : null;
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$lat = is_numeric($latRaw) ? (float) $latRaw : null;
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}
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if ($lat === null) {
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$lat = data_get($item, 'lat') ?? data_get($item, 'location.lat');
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}
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if ($lng === null) {
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$lng = data_get($item, 'lng') ?? data_get($item, 'lon') ?? data_get($item, 'location.lng');
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}
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return [
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'title' => $item['name'] ?? $item['title'] ?? '',
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'address' => $item['address'] ?? '',
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'province' => $item['province'] ?? '',
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'city' => $item['city'] ?? $item['cityName'] ?? '',
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'district' => $item['district'] ?? $item['county'] ?? '',
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'lat' => $lat,
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'lng' => $lng,
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];
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})->filter(fn ($row) => $row['lat'] !== null && $row['lng'] !== null)->values()->all();
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}
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/** @return array<int, array<string, mixed>> */
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private function searchTencent(string $keyword, string $region): array
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{
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$resp = Http::get('https://apis.map.qq.com/ws/place/v1/suggestion', [
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'keyword' => $keyword,
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'region' => $region,
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'region_fix' => 1,
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'key' => $this->tencentServerKey(),
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])->json();
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$status = (int) ($resp['status'] ?? -1);
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if ($status === 121) {
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abort(422, '腾讯地图 WebService Key 每日调用量已达上限。请配置 TIANDITU_SERVER_TK 或更换腾讯 Key。');
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}
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if ($status !== 0) {
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abort(422, $resp['message'] ?? '地图搜索失败');
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}
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return collect($resp['data'] ?? [])->map(function ($item) {
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return [
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'title' => $item['title'] ?? '',
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'address' => $item['address'] ?? '',
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'province' => $item['province'] ?? '',
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'city' => $item['city'] ?? '',
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'district' => $item['district'] ?? '',
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'lat' => data_get($item, 'location.lat'),
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'lng' => data_get($item, 'location.lng'),
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];
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})->filter(fn ($row) => $row['lat'] !== null && $row['lng'] !== null)->values()->all();
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}
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/** @return array<string, mixed>|null */
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private function reverseTianditu(float $lat, float $lng, string $tk): ?array
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{
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$postStr = json_encode([
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'lon' => $lng,
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'lat' => $lat,
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'ver' => 1,
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], JSON_UNESCAPED_UNICODE);
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$resp = Http::get('https://api.tianditu.gov.cn/geocoder', [
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'postStr' => $postStr,
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'type' => 'geocode',
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'tk' => $tk,
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])->json();
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if (! is_array($resp) || $this->tiandituApiFailed($resp)) {
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return null;
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}
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$result = $resp['result'] ?? [];
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$addr = is_array($result) ? ($result['formatted_address'] ?? $result['address'] ?? '') : '';
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$comp = is_array($result) ? ($result['addressComponent'] ?? []) : [];
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return [
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'address' => $addr,
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'province' => data_get($comp, 'province'),
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'city' => data_get($comp, 'city'),
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'district' => data_get($comp, 'district') ?? data_get($comp, 'county'),
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];
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}
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/** @return array<string, mixed> */
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private function reverseTencent(float $lat, float $lng): array
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{
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$resp = Http::get('https://apis.map.qq.com/ws/geocoder/v1/', [
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'location' => $lat . ',' . $lng,
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'get_poi' => 0,
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'key' => $this->tencentServerKey(),
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])->json();
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$status = (int) ($resp['status'] ?? -1);
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if ($status === 121) {
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abort(422, '腾讯地图 WebService Key 每日调用量已达上限。请配置 TIANDITU_SERVER_TK 或更换腾讯 Key。');
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}
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if ($status !== 0) {
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abort(422, $resp['message'] ?? '逆地理编码失败');
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}
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$result = $resp['result'] ?? [];
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return [
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'address' => $result['address'] ?? '',
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'province' => data_get($result, 'address_component.province'),
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'city' => data_get($result, 'address_component.city'),
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'district' => data_get($result, 'address_component.district'),
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];
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}
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/** @param array<string, mixed> $resp */
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private function tiandituApiFailed(array $resp): bool
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{
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$code = $resp['code'] ?? $resp['status'] ?? null;
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if ($code === 301012 || (is_string($resp['msg'] ?? null) && str_contains((string) $resp['msg'], '权限'))) {
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return true;
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}
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if ($code !== null && (string) $code !== '0' && (int) $code !== 0) {
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return true;
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}
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return false;
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}
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}
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