完成 Batch 3:修復 4 個 API Controller 的 AsEnumerable 問題
修復文件(共 17 處):
1. supplierController.cs (6 處)
- 移除簡單查詢的 AsEnumerable() (2 處)
- AsEnumerable() → AsQueryable() (GetList, GetKindList)
- 優化分頁查詢模式(Count + ToPagedList.ToList())(2 處)
- 修復 Split().Select().ToList() 類型問題
2. adminUserController.cs (4 處)
- 移除簡單查詢的 AsEnumerable()
- AsEnumerable() → AsQueryable() (GetList)
- 優化分頁查詢模式
- 重構複雜查詢:移除嵌套的 AsEnumerable()
改為先 ToList() 再使用 Contains
3. orderdetailController.cs (3 處)
- 移除 AsEnumerable(),改為在查詢末端使用 OrderBy
- 優化分頁查詢模式
- 修復 null-propagating operator:
.FirstOrDefault()?.print_id → .Select(u => u.print_id).FirstOrDefault()
4. transfer_registerController.cs (6 處)
- AsEnumerable() → ToList() (需要解密操作的情況)
- 保留在必要時才轉換到內存操作
- 確保數據庫查詢先執行
技術改進:
✓ 複雜嵌套查詢優化(adminUserController)
✓ 解密操作前置優化(transfer_registerController)
✓ Null-propagating operator 替換為安全的 Select
✓ 統一使用三元運算符處理分頁
✓ IEnumerable<int> → List<int> 避免類型轉換錯誤
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@@ -27,14 +27,14 @@ public class orderdetailController:ApiController
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//var OrderList = _db.pro_order.Where(u => u.activity_num == activity_num).Select(j => j.order_no).ToList();
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//var gdzOrderList = _db.pro_order_detail.Where(o => OrderList.Contains(o.order_no) && o.print_id.Contains("主")).Select(o => o.order_no).Distinct().ToList();
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//var qry = _db.pro_order.Where(u => gdzOrderList.Contains(u.order_no)).AsEnumerable();
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var qry = _db.pro_order.Where( u => u.activity_num == activity_num).AsEnumerable();
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qry = qry.OrderByDescending(o => o.reg_time);
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var qry = _db.pro_order.Where( u => u.activity_num == activity_num).OrderByDescending(o => o.reg_time);
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var count = qry.Count(); //pageSize = count;//一次取回??
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var qryList = (pageSize > 0) ? qry.ToPagedList(page, pageSize).ToList() : qry.ToList();
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var ret = new
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{
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list = qry.ToPagedList(page, pageSize).Select(x => new
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list = qryList.Select(x => new
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{
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order_no = x.order_no,
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f_num = x.f_num,
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@@ -50,7 +50,7 @@ public class orderdetailController:ApiController
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|| u.actItem.subject.Contains("牌")
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|| !string.IsNullOrEmpty(u.f_num_tablet))
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.Count(),
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actItem = x.pro_order_detail.Where(u => u.printed_files != null).FirstOrDefault()?.print_id }
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actItem = x.pro_order_detail.Where(u => u.printed_files != null).Select(u => u.print_id).FirstOrDefault() }
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}),
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count = count
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};
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