Python 宇宙飞船物体
我正在尝试制作一个程序来创建一艘宇宙飞船,我正在使用status()方法来显示飞船的名称和燃料值。然而,它似乎不起作用。我想我可能把status()方法搞砸了。我也在尝试改变燃料值,但我不想创建一个新的方法来改变燃料值。我想我在那里的某个地方拐错了弯。救命啊Python 宇宙飞船物体,python,object,static-methods,Python,Object,Static Methods,我正在尝试制作一个程序来创建一艘宇宙飞船,我正在使用status()方法来显示飞船的名称和燃料值。然而,它似乎不起作用。我想我可能把status()方法搞砸了。我也在尝试改变燃料值,但我不想创建一个新的方法来改变燃料值。我想我在那里的某个地方拐错了弯。救命啊 class Ship(object): def __init__(self, name="Enterprise", fuel=0): self.name=name self.fuel=fuel
class Ship(object):
def __init__(self, name="Enterprise", fuel=0):
self.name=name
self.fuel=fuel
print "The spaceship", name, "has arrived!"
def status():
print "Name: ", self.name
print "Fuel level: ", self.fuel
status=staticmethod(status)
def main():
ship1=Ship(raw_input("What would you like to name this ship?"))
fuel_level=raw_input("How much fuel does this ship have?")
if fuel_level<0:
self.fuel=0
else:
self.fuel(fuel_level)
ship2=Ship(raw_input("What would you like to name this ship?"))
fuel_level2=raw_input("How much fuel does this ship have?")
if fuel_level2<0:
self.fuel=0
else:
self.fuel(fuel_level2)
ship3=Ship(raw_input("What would you like to name this ship?"))
fuel_level3=raw_input("How much fuel does this ship have?")
if fuel_level3<0:
self.fuel=0
else:
self.fuel(fuel_level3)
Ship.status()
main()
raw_input("Press enter to exit.")
class船舶(对象):
def _u初始(self,name=“Enterprise”,fuel=0):
self.name=name
自耗燃料=燃料
打印“宇宙飞船”,名字,“已经到了!”
def状态():
打印“名称:”,self.Name
打印“燃油油位:”,自燃油
状态=静态方法(状态)
def main():
ship1=Ship(原始输入(“您想给这艘船取什么名字?”)
燃料水平=原始输入(“这艘船有多少燃料?”)
如果未定义状态中的燃油油位,方法自身
,因为您将其设置为静态方法。使其非静态更为合理,因为每艘船都有自己的名字。所以说
def status(self):
print "Name: ", self.name
print "Fuel level: ", self.fuel
稍后再打电话
ship1.status()
ship2.status()
ship3.status()
每艘船都有自己的燃料,所以静电不是最好的选择。如果不希望参数看起来像一个方法,请考虑一个属性。它还封装了燃油的值检查
class Ship(object):
def __init__(self, name="Enterprise", fuel=0):
self.name = name
self._fuel = fuel
print "The spaceship", name, "has arrived!"
def status(self):
print "Name: ", self.name
print "Fuel level: ", self.fuel
@property
def fuel(self):
return self._fuel
@fuel.setter
def fuel(self,level):
if level < 0:
self._fuel = 0
else:
self._fuel = level
+1.此外,请确保缩进正确。类定义中必须缩进\uuuu init\uuu
和status
。是。我很想知道为什么OP认为它应该是一个静态方法。它们是缩进的,只是我在这里复制它时没有这样做。哦,好吧。哈哈,我不知道为什么我决定它应该是静态的。我正在阅读Python这本书,刚刚介绍了静态方法,所以我试图让它起作用。但我想我应该只在有意义的时候才使用它!
def main():
ships = []
for n in range(4):
ship = Ship(raw_input("What would you like to name this ship?"))
ship.fuel = int(raw_input("How much fuel does this ship have?"))
ships.append(ship)
for ship in ships:
ship.status()
main()
raw_input("Press enter to exit.")