对于采购件的内容进行修改，使其填写更加便利加上库位自动加载上一次的逻辑

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

@@ -5,19 +5,29 @@ import traceback
 
 inbound_buy_bp = Blueprint('stock_buy', __name__)
 
+
 # ------------------------------------------------------------------
 # 0. 基础物料搜索
 # ------------------------------------------------------------------
 @inbound_buy_bp.route('/search-base', methods=['GET'])
 def search_base():
+    """
+    供前端下拉框远程搜索使用
+    Query Param: keyword (名称或规格)
+    """
     try:
         keyword = request.args.get('keyword', '')
         data = BuyInboundService.search_base_material(keyword)
-        return jsonify({"code": 200, "msg": "success", "data": data})
+        return jsonify({
+            "code": 200,
+            "msg": "success",
+            "data": data
+        })
     except Exception as e:
         traceback.print_exc()
         return jsonify({"code": 500, "msg": str(e)}), 500
 
+
 # ------------------------------------------------------------------
 # 1. 获取列表
 # ------------------------------------------------------------------
@@ -27,6 +37,8 @@ def get_list():
         page = request.args.get('page', 1, type=int)
         limit = request.args.get('pageSize', 15, type=int)
         keyword = request.args.get('keyword', '')
+
+        # 获取状态列表参数，前端传参格式: statuses=在库,借库
         statuses_str = request.args.get('statuses', '')
         statuses = statuses_str.split(',') if statuses_str else []
 
@@ -36,6 +48,7 @@ def get_list():
         traceback.print_exc()
         return jsonify({"code": 500, "msg": str(e)}), 500
 
+
 # ------------------------------------------------------------------
 # 2. 新增入库
 # ------------------------------------------------------------------
@@ -45,12 +58,19 @@ def submit():
         data = request.get_json()
         if not data:
             return jsonify({"code": 400, "msg": "No data"}), 400
+
         new_stock = BuyInboundService.handle_inbound(data)
-        return jsonify({"code": 200, "msg": "入库成功", "data": new_stock.to_dict()})
+
+        return jsonify({
+            "code": 200,
+            "msg": "入库成功",
+            "data": new_stock.to_dict()
+        })
     except Exception as e:
         traceback.print_exc()
         return jsonify({"code": 500, "msg": str(e)}), 500
 
+
 # ------------------------------------------------------------------
 # 3. 更新入库
 # ------------------------------------------------------------------
@@ -63,6 +83,7 @@ def update_buy(id):
     except Exception as e:
         return jsonify({"code": 500, "msg": str(e)}), 500
 
+
 # ------------------------------------------------------------------
 # 4. 删除
 # ------------------------------------------------------------------
@@ -74,8 +95,18 @@ def delete_buy(id):
     except Exception as e:
         return jsonify({"code": 500, "msg": str(e)}), 500
 
+
 # ------------------------------------------------------------------
-# 5. 供应商建议 (基于 base_id)
+# 5. 获取关联的出库历史 (如果有)
+# ------------------------------------------------------------------
+@inbound_buy_bp.route('/<int:id>/history', methods=['GET'])
+def get_history(id):
+    # 如果没有出库模块，这个接口可能为空，但为保持兼容性保留
+    return jsonify({"code": 200, "msg": "success", "data": []})
+
+
+# ------------------------------------------------------------------
+# 6. 供应商建议
 # ------------------------------------------------------------------
 @inbound_buy_bp.route('/suggestions/suppliers', methods=['GET'])
 def get_supplier_suggestions():
@@ -85,8 +116,9 @@ def get_supplier_suggestions():
     data = BuyInboundService.get_history_suppliers(base_id)
     return jsonify({"code": 200, "msg": "success", "data": data})
 
+
 # ------------------------------------------------------------------
-# 6. 采购人建议 (全局，基于 stock_buy 表)
+# 7. 采购人建议 (全局)
 # ------------------------------------------------------------------
 @inbound_buy_bp.route('/suggestions/users', methods=['GET'])
 def get_user_suggestions():
@@ -95,7 +127,7 @@ def get_user_suggestions():
     return jsonify({"code": 200, "msg": "success", "data": data})
 
 # ------------------------------------------------------------------
-# 7. 链接建议 (基于 base_id)
+# 8. 链接建议
 # ------------------------------------------------------------------
 @inbound_buy_bp.route('/suggestions/links', methods=['GET'])
 def get_link_suggestions():
@@ -104,4 +136,15 @@ def get_link_suggestions():
     if not base_id:
         return jsonify({"code": 400, "msg": "base_id required"}), 400
     data = BuyInboundService.get_history_links(base_id, link_type)
+    return jsonify({"code": 200, "msg": "success", "data": data})
+
+# ------------------------------------------------------------------
+# 9. [新增] 库位建议
+# ------------------------------------------------------------------
+@inbound_buy_bp.route('/suggestions/locations', methods=['GET'])
+def get_location_suggestions():
+    base_id = request.args.get('base_id', type=int)
+    if not base_id:
+        return jsonify({"code": 400, "msg": "base_id required"}), 400
+    data = BuyInboundService.get_history_locations(base_id)
     return jsonify({"code": 200, "msg": "success", "data": data})