test_03

用户管理系统

 1.注册新用户；
 *如果注册用户已存在，则报错
 *需要填写信息：username,password,gender,email,age
 2.用户登录要求同之前写的用户登录系统；
 3.注销用户，用户注销时，需要输入正确的用户名和密码;
 4.显示用户信息，显示系统中已经存在的所有用户信息；
 5.退出系统。

#!/usr/bin/python
#coding:utf-8
ip = raw_input("请输入一个ip:")
ip_item_list = ip.split(".")
if len(ip_item_list) != 4:
   print "NO"
else:
   for item in ip_item_list:
       if not 0<=int(item)<=255:
          print "NO"
          break
   else:
       print "YES"


#!/usr/bin/env python
# coding:utf-8

userinfo = {
   'user1':{
        'username':"user1",
        "password":'123',
        "gender":1,
        "email":'88@qq.com',
        "age":21
           },
}
gender_choice = [0, 1, 2]

def UserLogin():
    print "用户登录界面".center(40, '*')
    trycount = 0
    while trycount < 3:
        name = raw_input("登录用户名：")
        if name not in userinfo:
            print "用户未注册"
            break
        password = raw_input("登录密码：")
        trycount += 1
        if password == userinfo[name]['password']:
            print "恭喜%s登录成功" % (name)
            break
        else:
            print "请输入正确的用户名或密码！"
    else:
        print "已登录三次，请稍后再试"

def CreateUser():
    print "注册用户界面".center(40, '*')
    name = raw_input("*注册用户名:")
    if name in userinfo:
        print "用户已存在，请更换注册名"
    else:

        password = raw_input("*用户密码:")
        while True:
            gender = input("*性别(0-男 1-女 2-其他):")
            if gender in gender_choice:
                break
            else:
                print "请输入正确的选择"

        email = raw_input("用户邮箱:")
        if not email:
            email = None
        age = raw_input("年龄:")
        if not age:
            age = None
        else:
            age = int(age)
        userinfo[name] = {
            'name': name,
            'password': password,
            'gender': gender,
            'email': email,
            'age': age,
        }

        print "%s 用户注册成功!!!" % (name)

def UserInfo():
    for key, value in userinfo.items():
        print "用户:%s" % (key),
        print "性别:%d" % (value['gender']),
        print "邮箱:%s" % (value['email']),
        print "年龄:%s" % (value['age']),
        print "\n\n"


def main():
    while True:
        print """
=================用户登录管理系统===============

    1. 注册新用户
    2. 用户登录
    3. 用户注销
    4. 用户信息显示
    5. 退出系统
"""

        choice = raw_input("Choice:").strip()
        if choice == "1":
            CreateUser()
        elif choice == "2":
            UserLogin()
        elif choice == "3":
            DeleteUser()
        elif choice == "4":
            UserInfo()
        elif choice == "5":
            exit()
        else:
            print "输入正确的选择"

main()