pandas将多个dataframe以多个sheet的形式保存到一个excel文件中

要实现这个功能,可能有多种方法,我在这里记录下一个比较方便的方法:

import pandas as pd

writer = pd.ExcelWriter('test.xlsx')

data1.to_excel(writer,sheet_name='sheet1')

data2.to_excel(writer,sheet_name='sheet2')

writer.save()

上面的方法会将原来的excel文件覆盖掉,假如想要对已经存在的excel文件进行修改,可以使用开源工具包(anaconda已附带)openpyxl

import pandas as pd

from openpyxl import load_workbook

writer = pd.ExcelWriter('test.xlsx',engin='openpyxl')

book = load_workbook(writer.path)

writer.book = book

dataframe.to_excel(excel_writer=writer,sheet_name="info5")

writer.save()

writer.close()

DataFrame.to_excel多次写入不同Sheet

主要需要pd.ExcelWriter([文件路径])方法

参考官方文档:

>>> writer = pd.ExcelWriter('output.xlsx')

>>> df1.to_excel(writer,'Sheet1')

>>> df2.to_excel(writer,'Sheet2')

>>> writer.save()

以下为实际应用:

"""

df1,df2均为sql查询来的数据

excel_filepath为要生成保存的excel文件地址

"""

write = pd.ExcelWriter(excel_filepath)

df1 = pd.DataFrame(d_f1)

excel_header = ['日期','年龄']#excel的标题

df1.to_excel(write,sheet_name='Sheet1',header=excel_header,index=False)

df2 = pd.DataFrame(d_f2)

excel_header = ['日期','人数']

df2.to_excel(write,sheet_name='Sheet2',header=excel_header,index=False)

write.save()

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