import os
file_name = 'contact.txt'
def menu(): print("=====================欢迎使用通讯录=====================") print("菜单********") print("* 1.新建联系人 ") print(" 2.查找联系人 ") print(" 3.删除联系人 ") print(" 4.修改联系人 ") print(" 5.显示联系人信息 ") print(" 0.退出 *") print("=====================================================")
def main(): while True: menu() choice = int(input("请输入0-5选择:")) if choice in [0, 1, 2, 3, 4, 5]: if choice == 0: print("谢谢使用!") break elif choice == 1: insert() elif choice == 2: search() elif choice == 3: delete() elif choice == 4: modify() elif choice == 5: display()
def insert(): contact_list = [] while True: name = input("请输入联系人姓名：") if not name: break number = input("请输入联系人手机号：") if not number: break
try:
sex = input("请输入联系人性别:")
address = input("请输入联系人地址:")
qq = input("请输入联系人qq号:")
except:
print("输入错误，请重新输入")
continue
contact = {'name': name,'number': number, 'sex': sex,
'address': address, 'qq': qq}
contact_list.append(contact)
answer = input('是否继续添加？y/n\n')
if answer == 'y':
continue
else:
break
save(contact_list)
print("联系人输入完毕！")
def save(list): try: cont_txt = open(file_name, 'a', encoding='utf-8') except: cont_txt = open(file_name, 'w', encoding='utf-8') for item in list: cont_txt.write(str(item) + '\n') cont_txt.close()
def search(): contact_query = [] while True: number = '' name = '' if os.path.exists(file_name): mode = input("按手机号查找请输入1，按姓名查找请输入2：") if mode == '1': number = input("请输入手机号：") elif mode == '2': name = input("请输入姓名：") else: print("===========输入错误，请重新输入==========") search() with open(file_name, 'r', encoding='utf-8') as rfile: contact = rfile.readlines() for item in contact: d = dict(eval(item)) if number != '': if d['number'] == number: contact_query.append(d) elif name != '': if d['name'] == name: contact_query.append(d) display_contact(contact_query) contact_query.clear() answer = input('是否继续查询y/n\n') if answer == 'y': continue else: break else: print("暂未保存联系人信息") return
def display_contact(list): if len(list) == 0: print("没有查询到联系人信息，无数据显示！！") return format_title = '{:^6}\t{:^12}\t{:^8}\t{:^10}' print(format_title.format('姓名', '手机号', '性别', '地址', 'qq')) format_data = '{:^6}\t{:^12}\t{:^8}\t{:^10}' for item in list: print(format_data.format(item.get('name'), item.get('number'), item.get('sex'), item.get('address'), item.get('qq')))
def delete(): while True: contact_name = input(("请输入删除的联系人姓名:")) if contact_name != ' ': if os.path.exists(file_name): with open(file_name, 'r', encoding='utf-8')as file: contact_old = file.readlines() else: contact_old = [] flag = False if contact_old: with open(file_name, 'w', encoding='utf-8')as wfile: d = {} for item in contact_old: d = dict(eval(item)) if d['name'] != contact_name: wfile.write(str(d) + '\n') else: flag = True if flag: print(f'名字为{contact_name}的联系人已被删除') else: print(f'无联系人信息！') else: print('无联系人信息') break display() answer = input('是否继续删除？y/n\n') if answer == 'y': continue else: break
def modify(): display() if os.path.exists(file_name): with open(file_name, 'r', encoding='utf-8') as rfile: contact_old = rfile.readlines() else: return contact_number = input("请输入要修改的联系人姓名:") with open(file_name, 'w', encoding='utf-8')as wfile: for item in contact_old: d = dict(eval(item)) if d['name'] == contact_number: print("找到该联系人！") while True: try: d['number'] = input("请输入手机号:") d['sex'] = input("请输入性别:") d['address'] = input("请输入地址:") d['qq'] = input("请输入qq：") except: print("您的输入有误，请重新输入！") else: break wfile.write(str(d) + '\n') print("修改成功！") else: wfile.write(str(d) + '\n') answer = input('是否继续修改其他联系人信息y/n\n') if answer == 'y': modify()
def display(): contact_list = [] if os.path.exists(file_name): with open(file_name, 'r', encoding='utf-8') as rfile: contacts = rfile.readlines() for item in contacts: contact_list.append(eval(item)) if contact_list: display_contact(contact_list) else: print('暂未保存过数据！！！')
main()
