升级

application/common/CrossrefService.php

@@ -16,6 +16,10 @@ class CrossrefService
     private $timeout = 15; // 请求超时（秒）
     private $maxRetry = 2; // 单个DOI最大重试次数
     private $crossrefUrl = "https://api.crossref.org/works/"; // 接口地址
+    private $pubmedAbbr = true; // CrossRef 无期刊缩写时，是否回退到 PubMed/NLM 规范缩写
+
+    /** @var PubmedService|null 懒加载 */
+    private $pubmedService = null;
 
     public function __construct($config = [])
     {
@@ -24,6 +28,7 @@ class CrossrefService
             if (isset($config['timeout'])) $this->timeout = intval($config['timeout']);
             if (isset($config['maxRetry'])) $this->maxRetry = intval($config['maxRetry']);
             if (isset($config['crossrefUrl'])) $this->crossrefUrl = (string)$config['crossrefUrl'];
+            if (isset($config['pubmed_abbr'])) $this->pubmedAbbr = (bool)$config['pubmed_abbr'];
         }
     }
 
@@ -191,7 +196,15 @@ class CrossrefService
 
         $title = $this->getTitle($msg);
         $publisher = $this->getPublisher($msg);
-        $joura = !empty($publisher['title']) ? $publisher['title'] : ($publisher['short_title'] ?? '');
+        $validDoi = $this->filterValidDoi($doi);
+        // 期刊缩写优先级：CrossRef short-container-title → PubMed/NLM 规范缩写 → CrossRef 全称
+        $shortTitle = trim((string)($publisher['short_title'] ?? ''));
+        $fullTitle  = trim((string)($publisher['title'] ?? ''));
+        $joura = $shortTitle;
+        if ($joura === '') {
+            $pubmedAbbr = $this->lookupPubmedJournalAbbr($validDoi);
+            $joura = $pubmedAbbr !== '' ? $pubmedAbbr : $fullTitle;
+        }
         $authors = $this->getAuthors($msg);
         $dateno = $this->getVolumeIssuePages($msg);
         $retractInfo = $this->checkRetracted($msg);
@@ -280,6 +293,34 @@ class CrossrefService
         ];
     }
 
+    /**
+     * 用 PubMed/NLM 反查期刊规范缩写（CrossRef 无缩写时的兜底）。
+     * 任何异常都吞掉并返回空串，保证不影响主流程。
+     *
+     * @param string $doi 已规整的裸 DOI
+     * @return string 缩写或空串
+     */
+    private function lookupPubmedJournalAbbr($doi)
+    {
+        $doi = trim((string)$doi);
+        if (!$this->pubmedAbbr || $doi === '') {
+            return '';
+        }
+
+        try {
+            if ($this->pubmedService === null) {
+                $this->pubmedService = new PubmedService([
+                    'email'   => $this->mailto,
+                    'timeout' => $this->timeout,
+                ]);
+            }
+            $abbr = $this->pubmedService->journalAbbrByDoi($doi);
+            return is_string($abbr) ? trim($abbr) : '';
+        } catch (\Throwable $e) {
+            return '';
+        }
+    }
+
     /**
      * 提取作者列表
      */

application/common/PubmedService.php

@@ -60,7 +60,8 @@ class PubmedService
         $pmid = trim($pmid);
         if ($pmid === '') return null;
 
-        $cacheKey = 'pmid_' . $pmid;
+        // v2：解析结果新增 journal_iso_abbr / journal_medline_ta，换 key 避免命中旧缓存
+        $cacheKey = 'pmid_v2_' . $pmid;
         $cached = $this->cacheGet($cacheKey, 30 * 86400);
         if (is_array($cached)) return $cached;
 
@@ -96,6 +97,22 @@ class PubmedService
         return $info;
     }
 
+    /**
+     * DOI -> 期刊规范缩写（NLM/ISO 形式，如 "J Clin Oncol"）
+     * 优先 ISOAbbreviation，回退 MedlineTA；查不到返回 null。
+     */
+    public function journalAbbrByDoi(string $doi): ?string
+    {
+        $info = $this->fetchByDoi($doi);
+        if (!is_array($info)) return null;
+
+        $abbr = trim((string)($info['journal_iso_abbr'] ?? ''));
+        if ($abbr === '') {
+            $abbr = trim((string)($info['journal_medline_ta'] ?? ''));
+        }
+        return $abbr !== '' ? $abbr : null;
+    }
+
     // ----------------- Internals -----------------
 
     private function esearch(string $term): ?string
@@ -162,6 +179,9 @@ class PubmedService
         $pubTypes = array_values(array_unique($pubTypes));
 
         $journal = $this->xpText($xp, '//PubmedArticle//Journal//Title');
+        // 期刊规范缩写：ISOAbbreviation（Journal 下）与 MedlineTA（MedlineJournalInfo 下）
+        $journalIsoAbbr = $this->xpText($xp, '//PubmedArticle//Journal//ISOAbbreviation');
+        $journalMedlineTa = $this->xpText($xp, '//PubmedArticle//MedlineJournalInfo//MedlineTA');
 
         $year = '';
         $year = $this->xpText($xp, '//PubmedArticle//JournalIssue//PubDate//Year');
@@ -182,6 +202,8 @@ class PubmedService
             'mesh_terms' => $mesh,
             'publication_types' => $pubTypes,
             'journal' => $journal,
+            'journal_iso_abbr' => $journalIsoAbbr,
+            'journal_medline_ta' => $journalMedlineTa,
             'year' => $year,
         ];
     }