Python面向对象学习 1 (什么是面向对象，面向对象的应用场景)

class 类：#类名称
     def 函数1（）
     pass
     def 函数2（）
     pass
 

def upload():
    #连接服务器
    #上传文件
    #关闭连接
    pass
def cmd():
    #连接服务器
    #执行命令
    #关闭连接
    pass
def upload_cmd():
    #连接服务器
    #上传文件
    #执行命令
    #关闭连接
    pass

def connect():
    #连接服务器
    pass
def close():
    #断开连接
    pass
def upload():
    connect()
    #上传文件
    close()
    pass
def cmd():
    connect()
   #执行命令
    close()
    pass
def upload_cmd():
    connect()
    upload()
    cmd()
    close()
    pass

class SSH(object):
    def __init__(self,host,port,pwd,username):
        self.host = host
        ...
    def connection(self):
        self.connection = 和服务器创建对象()        
    def  close(self):
        #关闭
        self.connection.关闭
    def upload(self):
        self.connection() 
        #使用连接上传文件
    def cmd(self):
        self.connection()
        #使用执行命令
        
obj = SSH(‘‘,host,port....)
obj.connection()
obj.upload()
obj.close()

class Role(object):
    def __init__(self, name, role, weapon, life_value=100, money=15000):
        self.name = name
        self.role = role
        self.weapon = weapon
        self.life_value = life_value
        self.money = money

    def shot(self):
        print("%s shooting..." %self.name)
        self.__heart = "Die"
        print(self.__heart)

    def got_shot(self,):
        print("%s say : ah...,I got shot..." %self.name)

    def buy_gun(self, gun_name):
        print("%s just bought %s" %(self.name,gun_name))
        self.weapon = gun_name #通过类可以改对象的属性

r1 = Role(‘Alex‘, ‘police‘, ‘AK47‘) #生成一个角色
r2 = Role(‘Jack‘, ‘terrorist‘, ‘B22‘)  #生成一个角色