import cards_tool
# 主业务逻辑
cards_tool.read_card()
 
 
# 1.显示用户主界面
while True:
 cards_tool.show_menu()
 menu_str = input("请选择执行的操作:")
 print("您选择的功能:%s" % menu_str)
 if menu_str == "1":
  cards_tool.create_card()
 elif menu_str == "2":
  cards_tool.show_card_all()
 elif menu_str == "3":
  cards_tool.search_card()
 elif menu_str == "0":
  cards_tool.write_card()
  break
 else:
  print("输入有误，请重新输入")

import os
card_info_all = [] # 所有名片信息
# 名片管理 具体功能
def write_card():
 """退出系统时，将名片信息保存到文件夹中"""
 f = open("E:\\workspace_python\\FirstDemo\\名片管理系统.txt", "w")
 f.write(str(card_info_all))
 f.close()
 
 
def read_card():
 """进入系统时，将名片信息加载到内存中"""
 is_exist = os.path.exists("E:\\workspace_python\\FirstDemo\\名片管理系统.txt")
 if is_exist:
  # 文件存在将信息加载到内存中
  f = open("E:\\workspace_python\\FirstDemo\\名片管理系统.txt","r")
  global card_info_all
  card_info_all = eval(f.read())
  # print(card_info_all)
  f.close()
 else:
  # 没有文件创建空文件
  f = open("E:\\workspace_python\\FirstDemo\\名片管理系统.txt", "w")
  f.close()
 print(is_exist)
 
 
def show_menu():
 """主菜单页面展示"""
 print("*"*30)
 print("欢迎使用[命名管理系统] v1.0")
 print()
 print("1.新建名片")
 print("2.显示全部")
 print("3.查询名片")
 print()
 print("0.退出系统")
 print("*"*30)
 
 
def create_card():
 """新建名片"""
 print("功能：新建名片")
 name = input("请输入姓名:")
 phone = input("请输入电话:")
 qq = input("请输入qq号:")
 email = input("请输入邮箱:")
 card_info = {"name":name,"phone":phone, "qq":qq, "email":email}
 card_info_all.append(card_info)
 print("添加%s的名片成功" % name)
 
 
def show_card_all():
 """显示所有名片"""
 print("功能：显示全部")
 if not len(card_info_all):
  print("没有任何名片")
  return
 print("name".ljust(14),"phone".ljust(14),"qq".ljust(14),"email".ljust(14),sep="")
 print("-"*56)
 for card in card_info_all:
  print(card["name"].ljust(14),card["phone"].ljust(14),card["qq"].ljust(14),card["email"].ljust(14),sep="")
  print("-"*56)
 
 
def search_card():
 """查询名片"""
 print("功能：查询名片")
 name = input("请输入查询的姓名:")
 for card in card_info_all:
  if name == card["name"]:
   print("name".ljust(14), "phone".ljust(14), "qq".ljust(14), "email".ljust(14), sep="")
   print("-" * 56)
   print(card["name"].ljust(14), card["phone"].ljust(14), card["qq"].ljust(14), card["email"].ljust(14),sep="")
   # 名片高级处理
   set_card(card)
   break;
 else:
  print("没有找到%s" % name)
 
 
def set_card(card):
 """名片的高级设置"""
 while True:
  menu = input("请输入对名片的操作：1.修改/ 2.删除/ 0.返回上一级")
  if menu == "1":
   name = input("请输入姓名:")
   phone = input("请输入电话:")
   qq = input("请输入qq号:")
   email = input("请输入邮箱:")
   card["name"] = name
   card["phone"] = phone
   card["qq"] = qq
   card["email"] = email
   print("%s 的名片修改成功" % name)
   return
  elif menu == "2":
   card_info_all.remove(card)
   print("删除名片成功")
   return
  elif menu == "0":
   return
  else:
   print("输入有误，请重新输入")