随笔分类 -  python

摘要：import os,random,time,shutillist_dir = os.listdir(r"D:\test1")for file in list_dir: print(file) print(os.path.abspath(file)) os.chdir(r"D:\test1") fil 阅读全文

摘要：sqlalchemy_many_to_many.py #!-*-coding:utf-8-*-from sqlalchemy import Table,Column,Integer,String,DATE,ForeignKeyfrom sqlalchemy.orm import relationsh 阅读全文

摘要：sqlalchemy_many_fk.py from sqlalchemy import Integer, ForeignKey, String, Column,create_enginefrom sqlalchemy.ext.declarative import declarative_basef 阅读全文