Merge remote-tracking branch 'origin/master'
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wangjinlei
310
application/api/controller/Crossrefdoi.php
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310
application/api/controller/Crossrefdoi.php
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<?php
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namespace app\api\controller;
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use app\api\controller\Base;
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use think\Db;
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class Crossrefdoi extends Base{
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public function __construct(\think\Request $request = null) {
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parent::__construct($request);
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}
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// 配置项
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private $mailto; // 邮箱（提升优先级）
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private $timeout = 15; // 请求超时（秒）
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private $maxRetry = 2; // 单个DOI最大重试次数
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private $crossrefUrl = "https://api.crossref.org/works/"; //接口地址
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/**
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* 批量查询DOI信息（核心方法）
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* @param array $dois DOI列表
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* @return array 包含所有DOI的查询结果
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*/
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public function get($aParam = []){
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//获取参数
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$aParam = empty($aParam) ? $this->request->post() : $aParam;
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$iPReferId = empty($aParam['p_refer_id']) ? 0 : $aParam['p_refer_id'];
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if(empty($iPReferId)){
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return json_encode(['status' => 2,'msg' => 'Please select the reference to be queried']);
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}
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$aWhere = ['p_refer_id' => $iPReferId,'state' => ['in', [0,2]]];
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$aRefer = Db::name('production_article_refer')->field('title,joura,author,refer_doi,doilink,cs')->where($aWhere)->find();
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if(empty($aRefer['refer_doi'])){
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return json_encode(['status' => 3,'msg' => 'The doi of the reference is empty']);
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}
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$finalResult = [];
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$sDoi = empty($aRefer['refer_doi']) ? '' : $aRefer['refer_doi'];
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$sCheckDoi = $this->filterValidDoi($sDoi); // 过滤非法DOI
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if(empty($sCheckDoi)){
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return json_encode(['status' => 4,'msg' => 'Doi does not comply with the rules']);
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}
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// 调用单DOI查询（带重试）
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$aDoiInfo = $this->fetchSingleDoiWithRetry($sCheckDoi);
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if (!$aDoiInfo) {
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$result['status'] = 'fail';
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$result['fail_reason'] = "请求失败（重试{$this->maxRetry}次后仍失败）";
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}
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// 提取核心字段
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$sTitle = $this->getTitle($aDoiInfo);
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//期刊信息
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$aPublisher = $this->getPublisher($aDoiInfo);
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$sJoura = empty($aPublisher['title']) ? $aPublisher['short_title'] : $aPublisher['title'];
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//作者信息
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$aAuthor = $this->getAuthors($aDoiInfo);
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$sAuthor = empty($aAuthor) ? '' : implode(',', $aAuthor);
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$sDateno = $this->getVolumeIssuePages($aDoiInfo);
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// 识别撤稿状态
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$aRetractInfo = $this->checkRetracted($aDoiInfo);
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$bIsRetracted = 2;
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if($aRetractInfo['is_retracted'] == true){
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$bIsRetracted = 1;
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}
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$sRetractReason = empty($aRetractInfo['reason']) ? '' : $aRetractInfo['reason'];
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//获取dolink
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$sDolink = $this->getDolink($aDoiInfo);
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$sDolink = empty($sDolink) ? 'https://doi.org/' . $sCheckDoi : $sDolink;
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//数据处理更新数据库
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$aUpdate = [];
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if(!empty($sTitle) && empty($aRefer['title'])){
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$aUpdate['title'] = $sTitle;
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}
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if(!empty($sJoura) && empty($aRefer['joura'])){
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$aUpdate['joura'] = $sJoura;
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}
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if(!empty($sAuthor) && empty($aRefer['author'])){
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$aUpdate['author'] = $sAuthor;
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}
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if(!empty($sDateno)){
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$aUpdate['dateno'] = $sDateno;
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}
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if($bIsRetracted == 1){
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$aUpdate['is_retracted'] = 1;
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}
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if(!empty($sDolink) && empty($aRefer['doilink'])){
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$aUpdate['doilink'] = $sDolink;
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}
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if(empty($aUpdate)){
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return json_encode(['status' => 5,'msg' => 'No update information available']);
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}
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$aUpdate['update_time'] = time();
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$aUpdate['cs'] = 1;
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$aWhere = ['p_refer_id' => $iPReferId];
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$result = Db::name('production_article_refer')->where($aWhere)->limit(1)->update($aUpdate);
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if($result === false){
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return json_encode(['status' => 6,'msg' => 'Update failed-Cs']);
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}
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return json_encode(['status' => 1,'msg' => 'Update successful']);
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}
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/**
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* 过滤非法DOI（仅保留10.xxxx/xxx格式）
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*/
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private function filterValidDoi($doi = ''){
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$doi = trim($doi);
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if (empty($doi)) return '';
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// 正则匹配：10. + 至少4位数字 + / + 任意字符
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if (preg_match('/^10\.\d{4,}\/.+/', $doi)) {
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return $doi;
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}
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return '';
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}
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/**
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* 单DOI查询
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*/
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private function fetchSingleDoiWithRetry($doi){
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$retryCount = 0;
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while ($retryCount < $this->maxRetry) {
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$url = $this->crossrefUrl. rawurlencode($doi) . "?mailto=" . rawurlencode($this->mailto);
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_TIMEOUT, $this->timeout);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
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curl_setopt($ch, CURLOPT_HTTPHEADER, [
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"User-Agent: DOI-Fetcher/1.0 (mailto:{$this->mailto})"
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]);
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$response = curl_exec($ch);
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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curl_close($ch);
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// 成功返回
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if ($httpCode == 200) {
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$data = json_decode($response, true);
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return $data['status'] == 'ok' ? $data['message'] : null;
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}
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// 429速率限制：延长等待后重试
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if ($httpCode == 429) {
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sleep(5);
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$retryCount++;
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continue;
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}
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$retryCount++;
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sleep(1); // 普通失败，1秒后重试
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}
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return null;
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}
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/**
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* 提取标题
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*/
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private function getTitle($aDoiInfo = []){
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return $aDoiInfo['title'][0] ?? '';
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}
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/**
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* 提取出版社名
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*/
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private function getPublisher($aDoiInfo = []){
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$aJournal = [
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'title' => isset($aDoiInfo['container-title'][0]) ? $aDoiInfo['container-title'][0] : '',
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'short_title'=> isset($aDoiInfo['short-container-title'][0]) ? $aDoiInfo['short-container-title'][0] : '',
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'ISSN' => $aDoiInfo['ISSN'] ?? [],
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'publisher' => $aDoiInfo['publisher'] ?? '',
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];
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return $aJournal;
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}
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/**
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* 提取作者
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*/
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private function getAuthors($aDoiInfo = []){
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$authors = [];
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if (!empty($aDoiInfo['author'])) {
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foreach ($aDoiInfo['author'] as $author) {
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$name = $author['family'] ?? '';
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if (!empty($author['given'])) {
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$name = $author['given'] . ' ' . $name;
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}
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if (!empty($name)) {
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$authors[] = $name;
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}
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}
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}
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return $authors;
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}
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/**
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* 提取发表年份
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*/
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private function getPublishYear($aDoiInfo = []){
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if (!empty($aDoiInfo['issued']['date-parts'][0][0])) {
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return (string)$aDoiInfo['issued']['date-parts'][0][0];
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}
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return '';
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}
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/**
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* 提取卷(期):起始页-终止页（格式：2024;10(2):100-120）
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*/
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private function getVolumeIssuePages($aDoiInfo = []){
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$parts = [];
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// 年
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$year = $this->getPublishYear($aDoiInfo);
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if ($year) $parts[] = $year;
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// 卷(期)
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$volume = $aDoiInfo['volume'] ?? '';
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$issue = $aDoiInfo['issue'] ?? '';
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if ($volume) {
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$volumeIssue = $volume . ($issue ? "({$issue})" : '');
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$parts[] = $volumeIssue;
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}
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// 起始页-终止页
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$pageStart = $aDoiInfo['page']['start'] ?? ($aDoiInfo['first-page'] ?? '');
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$pageEnd = $aDoiInfo['page']['end'] ?? ($aDoiInfo['last-page'] ?? '');
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$pages = '';
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if ($pageStart) {
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$pages = $pageStart . ($pageEnd ? "-{$pageEnd}" : '');
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}else{
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$pages = $aDoiInfo['page'] ?? '';
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}
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if ($pages) $parts[] = $pages;
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return implode(':', $parts);
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}
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/**
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* 识别撤稿文章
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*/
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private function checkRetracted($aDoiInfo = []){
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$isRetracted = false;
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$reason = "未撤稿";
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// 1. 文章类型为撤稿声明type/subtype
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$sType = strtolower($aDoiInfo['type'] ?? '');
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$sSubtype = strtolower($aDoiInfo['subtype'] ?? '');
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if (isset($sType) && in_array($sType, ['retraction', 'correction'])) {
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$isRetracted = true;
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$reason = "文章类型为{$sType}（撤稿/更正声明）";
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}
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if (isset($sSubtype) && in_array($sSubtype, ['retraction', 'correction'])) {
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$isRetracted = true;
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$reason = "文章类型为{$sSubtype}（撤稿/更正声明）";
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}
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// 2. update-type包含撤稿
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if (isset($aDoiInfo['update-type']) && in_array('retraction', $aDoiInfo['update-type'])) {
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$isRetracted = true;
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$reason = "官方标记为撤稿（update-type: retraction）";
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}
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// 3. 关联撤稿文章
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if (isset($aDoiInfo['relation']) && !empty($aDoiInfo['relation'])) {
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foreach ($aDoiInfo['relation'] as $relType => $relItems) {
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if (in_array($relType, ['is-retraction-of', 'corrects'])) {
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$isRetracted = true;
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$relatedDoi = $relItems[0]['id'] ?? '未知';
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$reason = "关联撤稿文章{$relatedDoi}（关系：{$relType}）";
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break;
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}
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}
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}
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// 4. update-to 字段
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if (isset($aDoiInfo['update-to']) && is_array($aDoiInfo['update-to'])) {
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foreach ($aDoiInfo['update-to'] as $update) {
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$updateType = strtolower($update['type'] ?? '');
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$updateLabel = strtolower($update['label'] ?? '');
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if (strpos($updateType, 'retract') !== false || strpos($updateLabel, 'retract') !== false) {
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$isRetracted = true;
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$retractionDetail['retraction_notice'] = [
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'type' => $update['type'] ?? '',
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'label' => $update['label'] ?? '',
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'DOI' => $update['DOI'] ?? '',
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'date' => isset($update['updated']) ? $this->parseDateParts($update['updated']) : '',
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];
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break;
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}
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}
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}
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//5.title 关键词
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$aTitles = $aDoiInfo['title'] ?? [];
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foreach ($aTitles as $value) {
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$sTitleLower = strtolower($value);
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if (strpos($sTitleLower, 'retraction') !== false || strpos($sTitleLower, 'retracted') !== false
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|| strpos($sTitleLower, 'withdrawal') !== false || strpos($sTitleLower, 'withdrawn') !== false) {
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$isRetracted = true;
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$retractionDetail['title_keyword'] = $value;
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break;
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}
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}
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return [
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'is_retracted' => $isRetracted,
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'reason' => $reason
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];
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}
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/**
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* 识别doi链接
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*/
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private function getDolink($aDoiInfo = []){
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return $aDoiInfo['URL'] ?? '';
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}
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}
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