升级

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,
         ];
     }