名片管理系统——python实现
以面向对象的思想实现一个名牌管理器
‘’‘1、添加名片’’’
‘’‘2、删除名片’’’
‘’‘3、修改名片’’’
‘’‘4、查询名片’’’
‘’‘5、退出系统’’’
‘’'6、程序运行后,除非选择退出系统,否则重复执行功能
根据面向对象的思想,考虑到名片需要具有一些基本属性,因此首先构建名片类。
class BusinessCard(object):
def __init__(self,name,qq,weixin,address):
'''初始化属性'''
self.name = name
self.qq = qq
self.weixin = weixin
self.address = address
class MySystem(object):
def __init__(self):
self.card_infors = []
def print_menu(self):
print("=" * 50)
print("名片管理系统 V0.01")
print("1.添加一个新名片")
print("2.删除一个名片")
print("3.修改一个名片")
print("4.查询一个名片")
print("5.显示所有名片")
print("6.退出系统")
print("=" * 50)
def add_new_card_infor(self):
new_name = input("请输入新的名字:")
new_qq = input("请输入新的QQ:")
new_weixin = input("请输入新的微信:")
new_addr = input("请输入新的地址:")
new_infor = BusinessCard(new_name,new_qq,new_weixin,new_addr)
self.card_infors.append(new_infor)
print('添加成功!')
def find_card_by_name(self,name):
find_flag = None
for temp in self.card_infors:
if name == temp.name:
find_flag = temp
break
return find_flag
def find_card_infor(self):
find_name = input("请输入要查找的姓名:")
find_flag = self.find_card_by_name(find_name)
if find_flag == None:
print("查无此人...")
else:
print("%s\t%s\t%s\t%s"%(find_flag.name,find_flag.qq,find_flag.weixin,find_flag.address))
def delet_card_infor(self):
find_name = input("请输入要删除信息的姓名:")
find_flag = self.find_card_by_name(find_name)
if find_flag == None:
print("查无此人....")
else:
self.card_infors.remove(find_flag)
print('删除成功')
def update_card_infor(self):
find_name = input("请输入要更新信息的姓名:")
find_flag = self.find_card_by_name(find_name)
if find_flag == None:
print("查无此人....")
else:
new_qq = input("请输入新的QQ:")
new_weixin = input("请输入新的微信:")
new_addr = input("请输入新的地址:")
find_flag.qq = new_qq
find_flag.weixin = new_weixin
find_flag.address = new_addr
print('修改成功!')
def show_all_infor(self):
print("姓名\tQQ\t微信\t地址")
for temp in self.card_infors:
print("%s\t%s\t%s\t%s\t%s"%(temp.name,temp.qq,temp.weixin,temp.address))
def begin(self):
while True:
num = int(input("\n请输入操作序号:"))
if num == 1:
self.add_new_card_infor()
elif num ==2:
self.delet_card_infor()
elif num ==3:
self.update_card_infor()
elif num ==4:
self.find_card_infor()
elif num ==5:
self.show_card_infor()
elif num ==6:
break
else:
print("输入有误,请重新输入...")
def main():
mySystem = MySystem()
mySystem.print_menu()
mySystem.begin()
“最后调用主函数”
main()