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【从零开始学excel办公自动化】告别 Excel 公式地狱!用 Pandas 终极挑战公式嵌套

  • 2026-10-29 12:53:17
【从零开始学excel办公自动化】告别 Excel 公式地狱!用 Pandas 终极挑战公式嵌套
#办公自动化 #从零开始学 #pandas #excel #if

10年青少年编程教育经验 | 资深Python专家

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大家好,我是浩浩学编程的方老师,这是excel办公自动化系列的第21课。

今日技能

📱 一文给大家快速掌握python处理excel的复杂公式问题-终极挑战

你是否写过长达 3 行的 Excel 公式?

你是否因为 VLOOKUP 找不到值而抓狂?

你是否在 50 万行数据面前看着 Excel 卡成PPT?

今天这篇文章,方老师带你用 Python 的 pandas 库,优雅地解决这些痛点,这是这个内容的最后一篇。

不需要你是编程大神,跟着例子一步步来,你也能学会!

一、先说句大实话:Excel 公式不是不好,是"复杂场景"扛不住

Excel 是伟大的工具,日常处理几百行数据,写个 =SUM(A1:A10) 完美解决求和问题。

但现实往往是这样的(根据不同阈值显示不同名称):

=IF(AND(A2>100, B2="VIP"),     C2*0.8, IF(      OR(A2>50, D2="促销"),       C2*0.9, C2    ))

再比如,你要根据多个条件做汇总:

=SUMIFS(C:C, A:A, "北京",    B:B, "手机",    D:D, ">2024-01-01")

公式本身没问题,但——

而 pandas,恰好是来解决这些问题的。

二、Pandas 是什么?一句话解释(有朋友提问答疑)

pandas = Python 版的超级 Excel。

它把表格叫做 DataFrame(数据框),每一列叫做 Series(序列)。

你可以把它想象成一个"可以用代码操控的 Excel 表格"。

安装只需一行:

pip install pandas

使用只需两行:

import pandas as pd# 读取 Excel 文件,就像打开一个工作簿df = pd.read_excel("销售数据.xlsx")

就这么简单,你的 Excel 数据已经变成了一个可以编程操作的对象。

三、先建关联:Excel 函数 → Pandas 写法对照表

别急着写代码,先看这张对照表,建立"翻译"的感觉:

发现规律了吗?

Excel 是"对单元格操作",pandas 是"对整列操作"。

一次写好,整列搞定,不用拖拽填充柄。

四、终极挑战 —— 复杂嵌套公式的链式拆解

下面我们用一个虚拟的销售数据表来演示。

假设数据长这样:

用代码创建这个表:

import pandas as pddf = pd.DataFrame({    '订单号':   [1001, 1002, 1003, 1004, 1005],    '城市':     ['北京', '上海', '北京', '广州', '上海'],    '商品':     ['手机', '电脑', '手机', '平板', '手机'],    '销售额':   [5999, 8999, 4599, 3299, 5999],    '日期':     pd.to_datetime(['2024-03-15', '2024-03-16',         '2024-03-17', '2024-03-18', '2024-03-19']),    '客户等级': ['VIP', '普通', 'VIP', '普通', 'VIP']})

场景 1:终极挑战-复杂公式

需求:找出"北京和上海的 VIP 客户中,销售额超过平均值"的订单,并按销售额降序排列,最终导出为新的 Excel 文件。

如果用 Excel,你可能需要:

先用 AVERAGEIFS 算出平均值

再用 IF + AND 做筛选

手动排序

手动复制到新表

Pandas 写法:

# 第一步:算出 VIP 客户的平均销售额vip_avg = df[df['客户等级'] == 'VIP']['销售额'].mean()print(f"VIP 平均销售额:{vip_avg}")# 第二步:链式筛选 + 排序result = (    df[(df['城市'].isin(['北京', '上海']))            # 城市是北京或上海       & (df['客户等级'] == 'VIP')                        # 且是 VIP       & (df['销售额'] > vip_avg)]                        # 且销售额高于 VIP 平均    .sort_values('销售额', ascending=False)            # 按销售额降序)print(result[['订单号', '城市', '商品',       '销售额', '客户等级']])# 第三步:导出为 Excelresult.to_excel("筛选结果.xlsx", index=False)print("已导出到 筛选结果.xlsx")

划重点:

注意那个"链式写法"——每个条件用括号包起来,像搭积木一样一层层叠加。

代码即注释,读起来就像在读一句中文:"筛选城市是北京上海的、客户等级是VIP的、销售额大于平均值的,然后按销售额降序排列"。

五、总结

一句话总结:Excel 是"手动挡",pandas 是"自动挡"。

日常小数据用 Excel 没问题,但当你发现自己在反复写复杂公式、反复做相同操作时,就是时候升级了。

有问题欢迎留言讨论,我会一一解答 👇

🎉 同学们,看到这里,你学会了吗!

方老师说:

🚀 现在屏幕前的你已经比90%的同龄人领先一步了!

接下来可以:

  • 介绍一下用pandas批量格式转换(Excel转PDF)

(下期教程教!)

  • ⚠️ 遇到问题?评论区甩截图,方老师尽量在24小时内回复!

#python #Pandas #数据分析 #浩浩学编程 #职场技能 #excel #pdf

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  139. /www/wwwroot/h.sjds.net/runtime/temp/c1d6e8c94b2c2fa10e259903674c804d.php ( 8.11 KB )
  140. /www/wwwroot/h.sjds.net/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000494s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000645s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000373s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000376s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000543s ]
  6. SELECT * FROM `set` [ RunTime:0.000337s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000657s ]
  8. SELECT * FROM `article` WHERE `id` = 505481 LIMIT 1 [ RunTime:0.000415s ]
  9. UPDATE `article` SET `lasttime` = 1793997018 WHERE `id` = 505481 [ RunTime:0.001573s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000326s ]
  11. SELECT * FROM `article` WHERE `id` < 505481 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000421s ]
  12. SELECT * FROM `article` WHERE `id` > 505481 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000375s ]
  13. SELECT * FROM `article` WHERE `id` < 505481 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000678s ]
  14. SELECT * FROM `article` WHERE `id` < 505481 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000618s ]
  15. SELECT * FROM `article` WHERE `id` < 505481 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000573s ]
0.117688s