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Python办公 —— Excel透视汇总

  • 2026-09-21 19:49:59
Python办公 —— Excel透视汇总

🧮 excel_pivot —— 透视汇总

一行代码替代 Excel 里「插入→透视表→拖拽字段」的繁琐操作。excel_pivot 读取订单明细,自动按「地区 × 品类」汇总销售额与数量,并带总计行列,结果同时输出 xlsx 与 csv。

适用人群

  • • 经常做销售/订单多维汇总分析的数据、运营同学。
  • • 想要「数据进来、汇总表出去」全自动化的效率控。
  • • 习惯用 pandas 但不想每次手敲透视参数的新手。

功能简介

  • • 读取 testdata/orders.xlsx(列:地区, 品类, 销售额, 数量)。
  • • 生成透视表:行=地区,列=品类,值=销售额/数量,聚合方式 sum,带「总计」。
  • • 同时输出 output/pivot.xlsx 与 output/pivot.csv(CSV 带 BOM,Excel 打开不乱码)。
  • • 行/列/值/聚合方式均可命令行指定。

环境准备

依赖 pandas(底层读写引擎 openpyxl):

pip install pandas openpyxl

使用方法

cd excel_pivot

# 生成测试素材
python gen_testdata.py

# 默认透视:地区 × 品类,汇总 销售额/数量 之和
python excel_pivot.py

# 自定义:按 品类 行、地区 列,只看 销售额 的平均值
python excel_pivot.py --index 品类 --columns 地区 --values 销售额 --agg mean

结果写入 output/pivot.xlsx 与 output/pivot.csv

核心代码讲解

1. 一行生成透视表

pivot = pd.pivot_table(
    df,
    index="地区",          # 行
    columns="品类",        # 列
    values=["销售额""数量"],
    aggfunc="sum",         # 聚合
    margins=True,          # 显示总计
    margins_name="总计",
)

pivot_table 是 pandas 的核心汇总函数;margins=True 自动加总计行列。

2. 双格式输出

pivot.to_excel(OUTPUT_XLSX, engine="openpyxl")
pivot.to_csv(OUTPUT_CSV, encoding="utf-8-sig")

utf-8-sig 写入 BOM,Excel 双击 CSV 时中文不会乱码。

3. 命令行灵活配置

parser.add_argument("--values", nargs="+", default=["销售额""数量"])

nargs="+" 允许一次传多个值列,比如 --values 销售额 数量 利润

测试素材说明

testdata/orders.xlsx 含 12 行订单,含部分「同地区+同品类」重复组合以演示聚合:

地区
品类
销售额
数量
华东
食品
1000
10
华东
数码
2000
5
华东
家居
1500
8
华南
食品
1200
12
华南
数码
1800
6
华南
家居
900
4
华北
食品
800
9
华北
数码
2200
7
华北
家居
1100
5
华东
食品
500
5
华南
数码
600
3
华北
家居
400
2

(华东食品=1500、华南数码=2400、华北家居=1500 将被聚合求和)

常见问题

  • • Q:CSV 打开中文乱码?
    A:脚本已用 utf-8-sig,若仍乱码请确认用 Excel 打开而非记事本。
  • • Q:想换成平均值/计数?
    A:--agg mean 或 --agg count 即可,aggfunc 支持任意 pandas 聚合函数。
  • • Q:多值列时表头是两层?
    A:是的,pandas 会把「数值列×类别」做成多级列头,Excel 中显示为合并标题。

打包成 exe

# 1. 安装打包工具
pip install pyinstaller

# 2. 单文件、无控制台
pyinstaller -F -w excel_pivot.py

# 3. 加图标
pyinstaller -F -w -i excel_pivot.ico excel_pivot.py

# 4. 瘦身
pyinstaller -F -w --exclude-module matplotlib --exclude-module numpy.linalg \
  --exclude-module scipy excel_pivot.py

资源文件路径处理:脚本用 os.path.dirname(os.path.abspath(__file__)) 定位 testdata/orders.xlsx 与 output/,打包后从 exe 同目录读取,无需 --add-data。exe 与 testdata 文件夹放一起即可。

常见坑

  • • pandas 打包体积较大属正常;用 --exclude-module 可瘦身。
  • • 若报缺失模块,加 --hidden-import=openpyxl
  • • 双击无反应多半缺 testdata/orders.xlsx,去掉 -w 重打包看报错。

小结

excel_pivot 是数据分析的「收口」工具——把清洗好的明细一键变成决策用的汇总表。至此,「合并 → 拆分 → 清洗 → 图表 → 透视」Excel 基础五件套全部就位,足以覆盖办公自动化 80% 的表格场景。

基本 文件 流程 错误 SQL 调试
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  1. CONNECT:[ UseTime:0.000745s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
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  12. SELECT * FROM `article` WHERE `id` > 557272 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000342s ]
  13. SELECT * FROM `article` WHERE `id` < 557272 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000445s ]
  14. SELECT * FROM `article` WHERE `id` < 557272 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000557s ]
  15. SELECT * FROM `article` WHERE `id` < 557272 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000741s ]
0.085549s