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Q:Excel表格的计算公式验证怎么做?

  • 2026-08-23 21:00:56
Q:Excel表格的计算公式验证怎么做?

A:每一个用于 GMP 计算的excel公式都应经过验证、最简单的做法就是先手工算一遍作为"可接受标准",再用 Excel 算一遍,两者比对无误,记录签字,方可使用。

最终版excel表格文件上传至受控服务器,且文件已设置为只读,明确该电子表格的名称、编号、版本、用途,同时界定其具体的适用范围,如哪些计算公式等

Part01使用Excel表格用于计算的潜在风险

1)计算公式被人员误改的风险

可以通过设置工作表保护 ,如密码控制和单元格锁定的方式来确保公式不会被人员误改

2)除数为 0 ,导致错误结果

可以通过在计算公式进行除数校验 

3)输入非数值

可以在表格中将数据验证限制为数值 

4)计算精度丢失

可以在表格中明确 ROUND 函数规则,并在OQ 手工验算 

……

应基于相应风险点的控制措施逐一功能确认

Part02 安装确认

1)文件完整性

确认计算文件 SHA-256 哈希值 ,应与基准记录一致 

2)文件存放位置 

检查文件路径,应位于服务器受控目录 

3) Excel 版本

检查excel,应为公司批准的版本(如 MS Excel 2019/365) 

4)访问权限 

IT 确认权限清单 ,普通用户不可修改

5)备份

检查备份策略,是否纳入每日自动备份 

Part 02运行确认

设计一组覆盖正负数、零、小数、大数、边界值的标准数据集,并提前用计算器/手工完成验算,作为"预期结果"的金标准。

手工验算要求:每个测试用例必须附手写计算稿(拍照或扫描),作为原始证据归档。

1)加法运算

测试公式“=A1+B1”

测试示例  12.34 + 56.78 

预期结果69.12

实际结果69.12

2)减法运算

测试公式“=A1—B1”

测试示例  100.00 - 33.33 

预期结果66.67

实际结果66.67

3)乘法运算

测试公式“=A1*B1”

测试示例  2.5*4.4 

预期结果11.0

实际结果11.0

4)除法运算

测试公式“=A1/B1”

测试示例  9.0/3.0

预期结果3.0

实际结果3.0

5)单元格保护

尝试编辑公式单元格,弹出保护提示,无法修改

6)输入数值限制

在数值输入区输入"abc" 输入文本 ,拒绝输入,提示"请输入数值”

7)打印预览

生成打印预览,页眉包含文件编号、版本、日期

………

Part 04 性能确认

1)真实数据模拟 

使用最近 3 批次真实原始数据运行完整计算,计算结果与历史手工记录一致,误差为 0 

2)多用户并发

3 名操作员同时打开只读副本进行计算 ,各自结果应该保持一致,且无文件冲突 

3)长期稳定性 

连续打开/保存/关闭 10 次后检查公式,所有公式未被损坏,结果不变 

4)边界值测试 

输入极大值(如 1E+308)和极小值(如 1E-308),系统正常处理或给出明确溢出提示,不返回错误结果

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  1. CONNECT:[ UseTime:0.000632s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000667s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000368s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000332s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000554s ]
  6. SELECT * FROM `set` [ RunTime:0.000224s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000613s ]
  8. SELECT * FROM `article` WHERE `id` = 550327 LIMIT 1 [ RunTime:0.000421s ]
  9. UPDATE `article` SET `lasttime` = 1787684856 WHERE `id` = 550327 [ RunTime:0.014357s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000294s ]
  11. SELECT * FROM `article` WHERE `id` < 550327 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000426s ]
  12. SELECT * FROM `article` WHERE `id` > 550327 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000351s ]
  13. SELECT * FROM `article` WHERE `id` < 550327 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000572s ]
  14. SELECT * FROM `article` WHERE `id` < 550327 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000583s ]
  15. SELECT * FROM `article` WHERE `id` < 550327 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002665s ]
0.095549s