feat(api): support pagination and keyword search for material base list

inventory-backend/app/api/v1/bom.py

@@ -1,4 +1,5 @@
 from flask import Blueprint, request, jsonify, current_app
+from sqlalchemy import or_
 from app.services.bom_service import BomService
 from app.models.base import MaterialBase
 from app.models.bom import BomTable
@@ -312,12 +313,36 @@ def save_bom_legacy():
 @jwt_required()
 @permission_required('bom_manage')
 def get_material_base_list():
-    """获取所有基础物料列表，用于前端下拉框"""
+    """获取基础物料列表，支持分页和关键字搜索，用于前端下拉框"""
     try:
-        materials = MaterialBase.query.filter_by(is_enabled=True).order_by(MaterialBase.id.desc()).all()
-        data = [item.to_dict() for item in materials]
-        # 字段级脱敏 (如果需要，但此接口通常用于下拉选择，可能不需要脱敏)
-        # 保持原样
+        # 获取分页和搜索参数
+        page = int(request.args.get('page', 1))
+        limit = int(request.args.get('limit', 20))
+        keyword = request.args.get('keyword', '').strip()
+
+        # 构建查询条件
+        query = MaterialBase.query.filter_by(is_enabled=True)
+
+        # 添加关键字模糊搜索
+        if keyword:
+            query = query.filter(
+                or_(
+                    MaterialBase.name.ilike(f"%{keyword}%"),
+                    MaterialBase.spec.ilike(f"%{keyword}%")
+                )
+            )
+
+        # 执行分页查询
+        pagination = query.order_by(MaterialBase.id.desc()).paginate(
+            page=page, per_page=limit, error_out=False
+        )
+
+        # 构建返回数据
+        data = {
+            'list': [item.to_dict() for item in pagination.items],
+            'total': pagination.total
+        }
+
         return jsonify({
             'code': 200,
             'msg': 'success',