From 65692fc7985255a1a5ff0205ce5125c566f5d4f5 Mon Sep 17 00:00:00 2001
From: user9994793890 <3722323274763196-user9994793890@noreply.coze.cn>
Date: Fri, 10 Jul 2026 10:01:49 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8DExcel=E7=94=9F?=
 =?UTF-8?q?=E6=88=90=E6=97=B6=E7=9A=84MergedCell=E9=94=99=E8=AF=AF?=
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问题：'MergedCell' object has no attribute 'column_letter'

原因：
- 第1行和第2行的单元格被合并（merge_cells）
- 代码尝试访问合并单元格的 column_letter 属性
- 合并单元格（MergedCell）没有这个属性

修复：
- 使用 openpyxl.utils.get_column_letter(col_idx) 获取列字母
- 不再依赖单元格的 column_letter 属性

现在可以正常生成Excel文件了。

Coze-Commit-Type: user
Coze-User-ID: 3722323274763196
Coze-Conversation-ID: 9894087
---
 lib/report_generator.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/report_generator.py b/lib/report_generator.py
index 33a4a14..6aef469 100644
--- a/lib/report_generator.py
+++ b/lib/report_generator.py
@@ -268,7 +268,10 @@ def generate_excel(orders, selected_fields, sum_fields, sum_results,
             for cell in row:
                 if cell.value:
                     max_length = max(max_length, len(str(cell.value)))
-        ws.column_dimensions[ws.cell(row=1, column=col_idx).column_letter].width = min(max_length + 2, 50)
+        # 使用 openpyxl 的列字母转换函数
+        from openpyxl.utils import get_column_letter
+        col_letter = get_column_letter(col_idx)
+        ws.column_dimensions[col_letter].width = min(max_length + 2, 50)
     
     # 保存文件
     wb.save(file_path)