基础信息页：计量单位改 el-select(下拉历史+手动输入)；表单排版重排为 4 行(类别占满行)；类别末级英文后缀自动填规格型号

inventory-backend/app/api/v1/inbound/base.py

@@ -98,6 +98,24 @@ def search_base():
         return jsonify({"code": 500, "msg": str(e)}), 500
 
 
+# ==============================================================================
+# 1.1 计量单位字典接口 (GET /api/v1/inbound/base/units)
+# ==============================================================================
+@inbound_base_bp.route('/units', methods=['GET'])
+@permission_required('material_list')
+def get_unit_dict():
+    """
+    获取所有已存在的非空计量单位（去重 + 排序），用于前端
+    新增/编辑弹窗中"计量单位"下拉框的历史记录。
+    """
+    try:
+        units = MaterialBaseService.get_distinct_units()
+        return jsonify({"code": 200, "msg": "success", "data": units})
+    except Exception as e:
+        traceback.print_exc()
+        return jsonify({"code": 500, "msg": str(e)}), 500
+
+
 # ==============================================================================
 # 2. 列表接口 (GET /api/v1/inbound/base/list)
 # ==============================================================================

inventory-backend/app/services/inbound/base_service.py

@@ -528,6 +528,29 @@ class MaterialBaseService:
             traceback.print_exc()
             return {"categories": [], "types": [], "companies": []}
 
+    @staticmethod
+    def get_distinct_units():
+        """
+        获取所有已存在且非空的计量单位（去重 + 排序）。
+        用于前端"基础信息"新增/编辑弹窗的"计量单位"下拉历史记录。
+
+        SQL 语义:
+            SELECT DISTINCT unit FROM material_base
+            WHERE unit IS NOT NULL AND unit != ''
+            ORDER BY unit ASC
+        """
+        try:
+            rows = db.session.query(MaterialBase.unit) \
+                .filter(MaterialBase.unit.isnot(None), MaterialBase.unit != '') \
+                .distinct() \
+                .all()
+            sorted_units = sorted([u[0] for u in rows if u[0]])
+            return sorted_units
+        except Exception as e:
+            traceback.print_exc()
+            print(f"查询计量单位字典失败: {e}")
+            return []
+
     @staticmethod
     def create_material(data):
         """新增基础信息"""