参考文献格式

application/common/CrossrefService.php

@@ -470,39 +470,52 @@ class CrossrefService
      */
     public function getPublishYear($aDoiInfo = [])
     {
-        if (!empty($aDoiInfo['issued']['date-parts'][0][0])) {
-            return (string)$aDoiInfo['issued']['date-parts'][0][0];
+        // 著录用的是期次年。issued 取线上/线下较早者，在线优先出版的文献会偏早一年，
+        // 因此先看 published-print，再回退 issued。
+        $candidates = [
+            $aDoiInfo['published-print']['date-parts'][0][0] ?? null,
+            $aDoiInfo['journal-issue']['published-print']['date-parts'][0][0] ?? null,
+            $aDoiInfo['issued']['date-parts'][0][0] ?? null,
+            $aDoiInfo['published']['date-parts'][0][0] ?? null,
+            $aDoiInfo['published-online']['date-parts'][0][0] ?? null,
+        ];
+
+        foreach ($candidates as $year) {
+            if (!empty($year)) {
+                return (string)$year;
+            }
         }
         return '';
     }
 
     /**
-     * 提取卷(期):起始页-终止页（格式：2024:10(2):100-120）
+     * 著录用的年卷期页，格式 Year;Volume(Issue):Pages（如 2024;10(2):100-120）
      */
     public function getVolumeIssuePages($aDoiInfo = [])
     {
-        $parts = [];
-
         $year = $this->getPublishYear($aDoiInfo);
-        if ($year) $parts[] = $year;
 
-        $volume = $aDoiInfo['volume'] ?? '';
-        $issue  = $aDoiInfo['issue'] ?? '';
-        if ($volume) {
-            $parts[] = $volume . ($issue ? "({$issue})" : '');
+        $volume = trim((string)($aDoiInfo['volume'] ?? ''));
+        $issue  = trim((string)($aDoiInfo['issue'] ?? ($aDoiInfo['journal-issue']['issue'] ?? '')));
+        if ($volume !== '') {
+            $volume .= $issue !== '' ? "({$issue})" : '';
         }
 
-        $pageStart = $aDoiInfo['page']['start'] ?? ($aDoiInfo['first-page'] ?? '');
-        $pageEnd   = $aDoiInfo['page']['end'] ?? ($aDoiInfo['last-page'] ?? '');
-        $pages = '';
-        if ($pageStart) {
-            $pages = $pageStart . ($pageEnd ? "-{$pageEnd}" : '');
-        } else {
-            $pages = $aDoiInfo['page'] ?? '';
+        // page 是 "100-120" 这样的字符串；BMC/PLOS 等电子刊无连续页码，改用文章号
+        $pages = trim((string)($aDoiInfo['page'] ?? ''));
+        if ($pages === '') {
+            $pages = trim((string)($aDoiInfo['article-number'] ?? ''));
         }
-        if ($pages) $parts[] = $pages;
 
-        return implode(':', $parts);
+        $tail = $volume;
+        if ($pages !== '') {
+            $tail = $tail !== '' ? $tail . ':' . $pages : $pages;
+        }
+
+        if ($year === '' || $tail === '') {
+            return $year !== '' ? $year : $tail;
+        }
+        return $year . ';' . $tail;
     }
 
     /**