python名片管理系统开发

 #定义名片类 class Card(object): def __init__(self,name,phone,QQ,Email): self.name=name self.phone=phone self.QQ=QQ self.Email=Email def __str__(self): return f"{self.name},{self.phone},{self.QQ},{self.Email}" #定义名片管理类 class Card_mannager(object): def __init__(self): self.card_list=[] #新建名片 def new_card(self): name=input("请输入姓名：") phone=input("请输入电话：") QQ=input("请输入QQ：") Email=input("请输入Email：") card=Card(name,phone,QQ,Email) self.card_list.append(card) #显示名片 def show_card(self): if len(self.card_list)>0: print("所以名片信息如下：") print("") for i in self.card_list: print("姓名:"+i.name,"电话:"+i.phone,"QQ:"+i.QQ,"Email:"+i.Email) else: print("没有该联系人信息！") #查找名片 def search_card(self): name=input("请输入你要查找的姓名：") for i in self.card_list: if i.name==name: print("查找成功！") print("姓名:"+i.name,"电话:"+i.phone,"QQ:"+i.QQ,"Email:"+i.Email) print(" ") print("-"*80) print("1:删除") print("2:修改") print("0:返回上一级菜单") action=int(input("请选择操作功能:")) while True: if action == 1: self.card_list.remove(i) self.save_card() print("删除成功！") break elif action==2: i.name=input("请输入姓名：") i.phone=input("请输入电话：") i.QQ=input("请输入QQ：") i.Email=input("请输入Email:") self.save_card() print("修改成功！") break elif action==0: break else: print("输入有误，请重新输入！") break break else: print("没有该联系人信息！") #保存名片 def save_card(self): flie = open("data.data","w") cardlist=[i.__dict__ for i in self.card_list] flie.write(str(cardlist)) flie.close() #加载名片 def load_card(self): try: flie = open("data.data","r") except: flie = open("data.data","w") else: data=eval(flie.read()) if len(data)>0: for i in data: card=Card(i["name"],i["phone"],i["QQ"],i["Email"]) self.card_list.append(card) finally: flie.close() #菜单 @staticmethod def show_menu(): print("*"*80) print("欢迎使用【名片管理系统】V2.0") print() print("1.新建名片") print("2.显示全部名片") print("3.查询名片") print() print("0.退出系统") print("*"*80) def run(self): self.load_card() while True: self.show_menu() action=int(input("请选择操作功能：")) print("您的选择是：{0}".format(action)) if action==1: self.new_card() self.save_card() print("添加成功！") elif action==2: self.show_card() elif action==3: self.search_card() elif action==0: print("欢迎再次使用！") break else: print("输入有误，请重新输入！") if __name__=="__main__": A=Card_mannager() A.run()