day31 类的组合及继承，文件目录规范

Python之路，Day18 = Python基础18-面向对象继承与组合

类的继承

def talk():
    print("I am come from talk..a")

class Animal:
    def say(self):
        print("say")

class Person(object):
    def __init__(self, name, age):
        self.name = name
        self.age = age

    def walk(self):
        print("%s is walking..."%self.name)

class Teacher(Person):
    def say(self):
        Animal.say(123)
    pass

class Student(Person):
    def __init__(self, name, age, tuition):
        Person.__init__(self, name, age)
        self.tuition = tuition

    def walk(self):
        Person.walk(self)
        print("I am come from Student...")

    def talk(self):
        talk()                     # 对象可以调用外面的函数

t = Teacher('zhang', 18)
print(t.name, t.age)
t.walk()
t.say()


s = Student('liu', 17, 19800)
print(s.name, s.age)
s.walk()
print(s.tuition)


s.talk()

类的组合

class BirthDay(object):
    def __init__(self, year, mon, day):
        self.year = year
        self.mon = mon
        self.day = day

    def tellInfo(self):
        print("comes from BirthDay")
        return "year:%s  mon:%s  day:%s"%(self.year, self.mon, self.day)


class Teacher(object):
    def __init__(self, name, age, sex, birth):
        self.name = name
        self.age = age
        self.sex =sex
        self.birth = birth



t = Teacher('zhang', 18, 'male', BirthDay(1999, 9, 99))

print(t.birth.tellInfo())

文件目录规范

 飞机大战的例子

import time
import pygame
from sys import exit

def main():

    screen = pygame.display.set_mode((512, 768), 0, 32)
    pygame.display.set_caption("飞机大战之类的练习")
    pygame.mouse.set_visible(False)
    background = pygame.image.load(r".imgackground.jpg")
    hero_plan_len = 151
    hero_plan_hig = 108

    hero_plan = HeroPlan(screen, hero_plan_len, hero_plan_hig)
    enemy_plan = EnemyPlan(screen)


    while True:
        screen.blit(background, (0,0))

        hero_plan.display()
        get_input(hero_plan)

        enemy_plan.display()

        pygame.display.update()

        time.sleep(0.03)

class BasePlan:
    def __init__(self, screen, x, y):
        self.screen = screen
        self.x = x
        self.y = y
        self.buttle = []
        self.count = 0

    def display(self):
        self.move()
        self.screen.blit(self.plan, (self.x, self.y))
        self.fire()

        for buttle in self.buttle:
            if buttle.clearButtle():
                self.buttle.remove(buttle)

            buttle.move()
            buttle.display()


    def move(self):
        pass


class HeroPlan(BasePlan):
    def __init__(self, screen, lenth, high):
        super().__init__(screen, 180, 640)
        self.lenth = lenth
        self.high = high
        self.plan = pygame.image.load(r".imghero_plan.png")


    def fire(self):
        if self.count == 2:
            self.buttle.append(HeroBullet(self.screen, self.x + 20, self.y - 48))
            self.buttle.append(HeroBullet(self.screen, self.x + 105, self.y - 48))
            self.count = 0
        else:
            self.count += 1


class EnemyPlan(BasePlan):
    def __init__(self, screen):
        super().__init__(screen, 0, 0)
        self.direction = "right"
        self.plan = pygame.image.load(r".imgenemy_plan.png")

    def move(self):
        if self.direction == "right":
            self.x += 10
        elif self.direction == 'left':
            self.x -= 10

        if self.x <= 0:
            self.direction = "right"
        elif self.x >= 248:
            self.direction = "left"

    def fire(self):
        if self.count == 20:
            self.buttle.append(EnemyButtle(self.screen, self.x+40, self.y+160))
            self.buttle.append(EnemyButtle(self.screen, self.x+175, self.y+160))
            self.count = 0
        else:
            self.count += 1


class BaseBullet:
    def __init__(self, screen, x, y):
        self.screen = screen
        self.x = x
        self.y = y

    def display(self):
        self.screen.blit(self.buttle, (self.x, self.y))

class HeroBullet(BaseBullet):
    def __init__(self, screen, x, y):
        super().__init__(screen, x, y)
        self.buttle = pygame.image.load(r".imghero_bullet.png")

    def move(self):
        self.y -= 20

    def clearButtle(self):
        if self.y < 0:
            return True


class EnemyButtle(BaseBullet):
    def __init__(self, screen, x, y):
        super().__init__(screen, x, y)
        self.buttle = pygame.image.load(r".imgenemy_bullet.png")

    def move(self):
        self.y += 10

    def clearButtle(self):
        if self.y > 714:
            return True

def get_input(hero_plan):
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            exit()

    x, y = pygame.mouse.get_pos()
    hero_plan.x = x - hero_plan.lenth/2
    hero_plan.y = y - hero_plan.high/2

def key_control(hero_temp):

    #获取事件，比如按键等
    for event in pygame.event.get():

        #判断是否是点击了退出按钮
        if event.type == QUIT:
            print("exit")
            exit()
        #判断是否是按下了键
        elif event.type == KEYDOWN:
            #检测按键是否是a或者left
            if event.key == K_a or event.key == K_LEFT:
                print('left')
                hero_temp.move_left()
            #检测按键是否是d或者right
            elif event.key == K_d or event.key == K_RIGHT:
                print('right')
                hero_temp.move_right()
            #检测按键是否是空格键
            elif event.key == K_SPACE:
                print('space')
                hero_temp.fire()


if __name__ == "__main__":
    main()