示例代码

import csv
fieldnames=["A","B","C"]#数据列名dicts=[{'A': '1', 'B': '2', 'C':3},{'A': '2', 'B': '3', 'C':4},{'A': '3', 'B': '4', 'C':5},{'A': '4', 'B': '5', 'C':6},{'A': '5', 'B': '6', 'C':7},{'A': '9', 'B': '7', 'C':8},]with open('test.csv', 'a', newline='',encoding='utf_8_sig') as f: writer = csv.DictWriter(f,fieldnames=fieldnames)writer.writeheader()  writer.writerows(dicts) 

实例代码：