【python案例】批量生成可逆转的优惠券

#!/usr/bin/python
# -*- coding: utf-8 -*-
import base64
 
# base64编码方便使用
 
# 通过id检验优惠券是否存在，通过goods查找商品
coupon = {
    'id': '1000',
    'goods': '500',
}
 
 
def gen_coupon(id, goods):
    coupon['id'] = id
    coupon['goods'] = goods
    raw = ','.join([k + ':' + v for k, v in coupon.items()])
    raw_64 = base64.urlsafe_b64encode(raw.encode('utf-8'))
    c_code = raw_64.decode()
    return c_code
 
 
def save_coupon(c_code):
    with open('coupon.txt', 'a+') as file:
        file.write(c_code+'\n')
 
 
def show_coupon(c_code):
    print('优惠码:', c_code)
 
 
def parse_coupon(c_code):
    print('解析优惠码:', base64.urlsafe_b64decode(c_code.encode('utf-8')))
 
 
def gen_all():
    for i in range(1000, 1200):
        c_code = gen_coupon(str(i), str(int(i/2)))
        save_coupon(c_code)
 
 
if __name__ == '__main__':
    gen_all()