Excel文件转化成CSV - pandas

#excel文件转化成csv
import pandas as pd

file='E:\\pythondata\\union\\test_3.xlsx'
outfile='E:\\pythondata\\union\\test_3.csv'

def xlsx_to_csv_pd():
    data_xls = pd.read_excel(file, index_col=0)
    data_xls.to_csv(outfile, encoding='utf-8')


if __name__ == '__main__':
    xlsx_to_csv_pd()
print("\n转化完成！！！\nCSV文件所处位置："+str(outfile))

CSV文件转化成Excel

import csv
import xlwt
import pandas as pd

def csv_to_xlsx(csvfile):
    with open(csvfile, encoding='utf-8') as fc:
        r_csv = csv.reader(fc)
        workbook = xlwt.Workbook()
        sheet = workbook.add_sheet('sheet1')  # 创建一个sheet表格
        i = 0
        j = 0
        for line in r_csv:
            for v in line:
                sheet.write(i,j,v)
                j = j + 1
            i = i + 1
        workbook.save(outfile)  # 保存Excel

file='E:\\pythondata\\ql\\test1.csv'#待转化的源文件
outfile='E:\\pythondata\\ql\\test1_out.xlsx'#转化后的excel所处的位置与文件名

if __name__ == '__main__':
    csv_to_xlsx(file)
    print("转化完成！！！\nExcel文件所处位置："+str(outfile))