摘要:
一、表结构一致 允许插入重复数据 insert into 表1 select * from 表2; 不允许插入重复数据 insert into 表1 select * from 表2 where NOT EXISTS (select * from 表1 where 字段1 = 表2.字段1); 二、 阅读全文
摘要:
# coding:utf-8 from idna import unichr def all_to_half(all_string): """全角转半角""" half_string = "" for char in all_string: inside_code = ord(char) if in 阅读全文