first commit

server/app/common/service/doctor/MedicineNameAbbrService.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace app\common\service\doctor;
+
+use Overtrue\Pinyin\Pinyin;
+
+/**
+ * 药材名称 → 拼音首字母连写（小写），供列表检索；未安装 overtrue/pinyin 时返回空字符串。
+ */
+class MedicineNameAbbrService
+{
+    public static function build(string $name): string
+    {
+        $name = trim($name);
+        if ($name === '') {
+            return '';
+        }
+        if (!class_exists(Pinyin::class)) {
+            return '';
+        }
+        $abbr = (string) Pinyin::abbr($name)->join('');
+
+        return strtolower($abbr);
+    }
+}