Python把csv文件转换为excel文件

"""
===========================
@Time : 2023/2/1 11:19
@File : csv_to_excel.py
@Software: PyCharm
@Platform: Win10
@Author : DataShare
===========================
"""
import pandas as pd
import argparse

if __name__ == '__main__':
    parser = argparse.ArgumentParser(description='csv_to_excel')
    parser.add_argument('--input_file', '-in', type=str, required=True, help='csv文件')
    parser.add_argument('--output_file', '-out', type=str, required=False, default=None, help='excel文件')
    args = parser.parse_args()

    data = pd.read_csv(args.input_file, sep=',', dtype='str', quotechar='"', header=0)

    print('csv文件行数为：', len(data))  # 判断数据行数是否一致，防止不可见字符，例如：回车 等

    if args.output_file is not None:
        if args.output_file.endswith('.xlsx'):
            output_file_converted = args.output_file
        else:
            output_file_converted = args.output_file + '.xlsx'
    else:
        output_file_converted = args.input_file.split('.csv')[0] + '.xlsx'

    # 这是由于Excel单个工作表限制URL类型数据量为65530,超出的部分会被舍弃
    # 只要将strings_to_urls自动转换功能关闭就好了
    writer = pd.ExcelWriter(output_file_converted, engine='xlsxwriter',
                            engine_kwargs={'options': {'strings_to_urls': False}})
    data.to_excel(writer, index=False)
    writer.close()

    print('数据转换完成')

python csv_to_excel.py -in test.csv

#python csv_to_excel.py --input_file test.csv

python csv_to_excel.py -in test.csv -out test_convert.xlsx

#python csv_to_excel.py --input_file test.csv --output_file test_convert.xlsx

import xlwt


def csv_xls(filename, xlsname):
    f = open(filename, 'r', encoding='utf-8')
    xls = xlwt.Workbook()
    sheet = xls.add_sheet('sheet1', cell_overwrite_ok=True)
    x = 0
    for line in f:

        for i in range(len(line.split(','))):
            print(i)
            item = line.split(',')[i]
            sheet.write(x, i, item)
        x += 1
    f.close()
    xls.save(xlsname)


if __name__ == "__main__":
    filename = "test1.csv"
    xlsname ="res1.xls"
    csv_xls(filename,xlsname)

from openpyxl import Workbook
import datetime


def csv_to_xlsx_pd(sourcePath:str,savePath:str,encode='utf-8'):
    """将csv 转为 excel（.xlsx格式）
    如果不需要可以把计时相关代码删除
    Args:
        sourcePath:str 来源文件路径
        savePath:str 保存文件路径，需要包含保存的文件名，文件名需要是 xlsx 格式的
        encode='utf-8' 默认编码，可以改为需要的编码如gbk
    """
    print('开始处理%s' % sourcePath)
    curr_time = datetime.datetime.now()
    print(curr_time)

    f = open(sourcePath, 'r', encoding=encode)
    # 创建一个workbook 设置编码
    workbook = Workbook()
    # 创建一个worksheet
    worksheet = workbook.active
    workbook.title = 'sheet'

    for line in f:
        row = line.split(',')
        worksheet.append(row)
        # if row[0].endswith('00'):    # 每一百行打印一次
        #     print(line, end="")

    workbook.save(savePath)
    print('处理完毕')
    curr_time2 = datetime.datetime.now()
    print(curr_time2-curr_time)


if __name__ == '__main__':
    source = 'source.csv'
    save = 'result.xlsx'
    csv_to_xlsx_pd(sourcePath=source, savePath=save, encode='utf-8')

import pandas as pd


def csv_to_xlsx_pd():
    csv = pd.read_csv('source.csv', encoding='utf-8')
    csv.to_excel('result.xlsx', sheet_name='data')

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if __name__ == '__main__':
    csv_to_xlsx_pd()