python操作CSV - CodeLife

导入依赖库import csv
写入

headers = ['用户名', '电话', '添加时间']
data = [{'用户名': '张三', '电话': '188xxx', '添加时间': '2019-1-1'}]
# data中的元素可以是字典，也可以是列表

filepath = 'xxx.csv'
with open(filepath, 'w', newline='') as f:
    f_csv = csv.DictWriter(f, headers)
    f_csv.writeheader()
    f_csv.writerows(data)

读取

with open('xxx.csv', 'r') as f: 
    f_csv = csv.reader(f) 
    for row in f_csv: 
        print(row)

打印数据：
['卡密', '类型']
['6DUyZjsaQ5', '月卡']
['J1MjS7fbZX', '月卡']
['swEZR2a4c7', '月卡']

row是列表，如果想看单独的列需要加上下标