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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