此程序应将各个工作表的内容放入一个excel工作簿中。它几乎做到了这一点,但它是覆盖而不是将新的工作表添加到最终的工作簿中。我读到pandas excel writer是这样做的,你知道为什么它会有这样的行为吗?
import xlwt, csv, os
from openpyxl import load_workbook
import pandas as pd
from pandas import ExcelWriter
csv_folder = r'C:\Users\Me\Desktop\Test_Folder\\'
for fil in os.listdir(csv_folder):
if '.xlsx' not in fil:
continue
else:
pass
df = pd.read_excel(csv_folder+fil, encoding = 'utf8')
file_name = fil.replace('.xlsx','')
writer = pd.ExcelWriter('condensed_output.xlsx', engine = 'xlsxwriter')
df.to_excel(writer, sheet_name = file_name)
writer.save()
#writer.close()
发布于 2019-02-28 03:30:03
确保writer.save()在循环之外。还要注意sheetname的字符限制,因此如果文件名在某一点之前是相同的,那么您也有可能以这种方式覆盖sheetname。
import xlwt, csv, os
from openpyxl import load_workbook
import pandas as pd
from pandas import ExcelWriter
csv_folder = r'C:\Users\Me\Desktop\Test_Folder\\'
writer = pd.ExcelWriter('condensed_output.xlsx', engine = 'xlsxwriter')
for fil in os.listdir(csv_folder):
if '.xlsx' not in fil:
continue
else:
pass
df = pd.read_excel(csv_folder+fil, encoding = 'utf8')
file_name = fil.replace('.xlsx','')
df.to_excel(writer, sheet_name = file_name)
writer.save() #make sure this is outside of the loop.
ETA:也在循环之外建立编写器
https://stackoverflow.com/questions/54912792
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