Python发送优惠券-案例

案例一

"""
优惠券
"""
import random
import string

phones = ['一加', '小米', '华为']
coupons = {''.join(random.choices(string.printable[:62], k=9)): 1
           for _ in range(100)}
print("优惠券列表 : {0}".format(coupons))
print({'coupon', 0})
# print(random.choices([1,1,2,34,4],k=4))
# print(string.printable[1:4])
endFlag = 100
targetCoupons = {}
while endFlag > 0:
    coupon = input("请输入优惠券:")
    if coupons.get(coupon):
        if targetCoupons.get(coupon) is None:
            new_coupon = {coupon: 0}
            targetCoupons.update(new_coupon)
            print("领取成功,赠送您<<{0}>>手机一部!".format(random.choice(phones)))
            endFlag -= 1
        else:
            print("您已经领取了优惠券")
    else:
        print("优惠券不存在！")
print("优惠券发放结束")

案例二

"""
优惠券
"""
import random
import string

phones = ['一加', '小米', '华为']
coupons = {''.join(random.choices(string.printable[:62], k=9)): 1
           for _ in range(2)}
print("优惠券列表 : {0}".format(coupons))
targetCoupons = {}
while len(coupons) != len(targetCoupons):
    coupon = input("请输入优惠券:")
    if coupons.get(coupon):
        if targetCoupons.get(coupon) is None:
            new_coupon = {coupon: 0}
            targetCoupons.update(new_coupon)
            print("领取成功,赠送您<<{0}>>手机一部!".format(random.choice(phones)))
        else:
            print("您已经领取了优惠券")
    else:
        print("优惠券不存在！")
print("优惠券发放结束")

案例三

"""
缓存数据 - 优惠券
"""
import json
import random
import string

phones = ['一加', '小米', '华为', '华为']
nums = [1, 1, 2, 2, 3, 4, 5]
print(set(nums))
coupons = {''.join(random.choices(string.printable[:62], k=9)): 1
           for _ in range(50)}
print("优惠券列表 : {0}".format(coupons))
print("发奖品列表 : {0}".format(phones))

with open("./coupon.json", mode='w') as f:
    json.dump(coupons, f)

import json
import random
"""
加载数据 - 优惠券
"""

phones = ['一加', '小米', '华为']
print("===优惠券活动开始!=== \n 本期奖品如下 {0}".format(phones))
with open("./coupon.json", mode='r') as f:
    coupons = json.load(f)
    # print(coupons)
    if coupons is None:
        print("优惠券为空")
    else:
        for index in coupons.keys():
            key = input("请输入优惠券:")
            if key in coupons.keys():
                if coupons[key] == 1:
                    print("恭喜您领取成功,赠送您<<{0}>>手机一部!".format(random.choice(phones)))
                    coupons[key] = 0
                else:
                    print("您已经领取了优惠券")
            else:
                print("优惠券不存在!")
            end = input("输入<< end >>停止活动:")
            if "end" == end:
                break
print("\n ===优惠券活动已结束!===")

with open("./coupon.json", mode='w') as f:
    json.dump(coupons, f)
```
```

````
{
  "w3oCkrYKv": 1,
  "KuZllOikb": 1,
  "YA20XLV47": 1,
  "xhiYVatij": 1,
  "EdizfYKOe": 1,
  "jIgPXSkaz": 1,
  "VWi359Lhm": 1,
  "mR9aWlwTd": 1,
  "H60fpZQeQ": 1,
  "TtoFRcWq9": 1,
  "Lk8DrVkeq": 1,
  "b7qLSoXZL": 1,
  "BcqVm4VGR": 1,
  "FnVaEDVhG": 1,
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  "VQTHaxeyd": 1,
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  "IWtoo1eNy": 1,
  "1nMcMvTXl": 1,
  "SyrTagaRH": 1,
  "UjaUY9vY3": 1,
  "jpwOVjZGr": 1,
  "ovxuuYULh": 1,
  "wMjzeLU0G": 1,
  "Scr6U1dXu": 1,
  "gjEV9UPec": 1,
  "qsPVPunRm": 1,
  "dpE7HpqaL": 1,
  "hTAXdFp2x": 1,
  "XjrSJH02Z": 1,
  "l8cdUle33": 1,
  "5OPDmb1Im": 1,
  "4dYZZjnVz": 1,
  "HMpacJ8U1": 1,
  "aM7tGSbmu": 1,
  "UXe68BRe8": 1,
  "7ejVzZCeC": 1,
  "5HOF7GHAb": 1,
  "h185TqxTS": 1,
  "FEzCTBVpS": 1,
  "MMK52mf5L": 1,
  "JwrLHJ5o4": 1,
  "0vbzNof8Z": 1,
  "vowkMzWCm": 1,
  "PvKgl1Nqp": 1,
  "AbfcYnxcu": 1,
  "8k20PwPic": 1,
  "dXopE4116": 1,
  "egnbHMgEF": 1,
  "tG0E7Rci7": 1
}
````