Xlsx
by NeverSight
表格的创建、编辑与分析，支持公式、格式、数据分析与图表。当需要创建/读写 .xlsx、保留公式、做分析或可视化时使用。
Skill Details
name: xlsx description: "表格的创建、编辑与分析，支持公式、格式、数据分析与图表。当需要创建/读写 .xlsx、保留公式、做分析或可视化时使用。" license: MIT
XLSX 创建、编辑与分析
概述
支持 .xlsx、.xlsm、.csv、.tsv 等。按任务选择 pandas、openpyxl 等工具。公式重算可假定已安装 LibreOffice，配合 recalc.py 使用。
通用要求
所有 Excel 文件
- 零公式错误：不得出现 #REF!、#DIV/0!、#VALUE!、#N/A、#NAME?
- 更新模板时：严格保持原有格式、样式与约定，不擅自统一化。
财务模型（无特别说明时）
- 颜色：蓝=手工输入/可调假设，黑=公式，绿=本工作簿链接，红=外部链接，黄底=关键假设或待更新格。
- 数字格式：年份用文本如 "2024"；货币用 $#,##0，单位在表头注明；零显示为 "-"；百分比默认 0.0%；倍数 0.0x；负数用括号。
- 公式：假设集中放专用单元格，公式中引用单元格而非硬编码；校验引用、区间与循环引用。
- 硬编码注明来源：如 "Source: 10-K FY2024 P45, [URL]"。
读写与分析
pandas
import pandas as pd
df = pd.read_excel('file.xlsx')
all_sheets = pd.read_excel('file.xlsx', sheet_name=None)
df.to_excel('output.xlsx', index=False)
关键：用公式而非硬编码
错误：在 Python 中算好再写死到单元格。
正确：在表格中写 Excel 公式（如 =SUM(B2:B9)、=B5*(1+$B$6)），保持可更新性。
何时使用
- 新建带公式与格式的表格
- 读取、分析、汇总数据
- 修改已有表格并保留公式
- 表格内分析与图表
- 公式重算（配合 LibreOffice / recalc）
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