如下所示： writer = csv.writer(open('xx.csv','w')) data = [('zzz', 20, 123456),('jojo', 10, 789012)] writer.writerows(data) writer = csv.writer(open('xx.csv','wb')) data = [('zzz', 20, 123456),('jojo', 10, 789012)] writer.writerows(data) 原因：写入二进制 和 写入