摘要: import os import sys from sklearn import feature_extraction from sklearn.feature_extraction.text import TfidfTransformer from sklearn.feature_extracti 阅读全文
posted @ 2020-03-24 20:52 Caper123 阅读(171) 评论(0) 推荐(0)
摘要: import pymysql ''''fetchone用法 (获取一条数据)''' def selectmysql(): # 打开数据库连接 db=pymysql.connect("localhost","root","root","kettle") #使用cursor()方法获取操作游标 curs 阅读全文
posted @ 2020-03-24 20:36 Caper123 阅读(146) 评论(0) 推荐(0)