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Python读取已有文件,删除并更新数据进入指定sheet(File is not a zip file和文件损坏报错问题解决方法)

三千筱夜 2022-03-30 阅读 29

import pandas as pd
import numpy as np
from openpyxl import load_workbook

book = load_workbook(r'C:\Users\zhimin.liu\Desktop\数据存储test.xlsx')
try:
    ws = book["insert_test"]         
    book.remove(ws)         #删除需要替换的sheet
except:
    print('无需删除的sheet')
writer = pd.ExcelWriter(r'C:\Users\zhimin.liu\Desktop\数据存储test.xlsx', engine='openpyxl')
writer.book = book
data3 = pd.DataFrame(np.random.randn(10, 5))
data3.to_excel(writer, sheet_name='insert_test', index = False)
# writer.save()         --save和closey一起写就会提示文件损坏修复,原因是重复保存
writer.close()   


坑点一:
book = load_workbook
writer = pd.ExcelWriter
两个语句顺序不能错,如果ExcelWriter写在了上面,则会报错“File is not a zip file”
坑点二:
writer.save()
writer.close()
两个不能同时写,其他写法,先“保存”后“关闭”,如果同时写,则excel文件将会报错:文件损坏,是否选择修复。

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