面向对象-反射

反射：通过字符串映射到对象的属性

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

    def talk(self):
        print('%s is talking'%self.name)

obj = People('egon',18)
print(obj.name)
print(obj.talk)

choice=input('>>>')

print(hasattr(obj,'name')) # 判断有没有
print(hasattr(obj,'talk'))
print(getattr(obj,'namex',None)) #获取

setattr(obj,'sex','male') # obj.sex='male修改
print(obj.sex)

delattr(obj,'age') #删除
print(obj.__dict__)

 

class Service:
    def run(self):
        while True:
            cmd=input('>>>').strip()
            if hasattr(self,cmd):
                # print('get')
                func=getattr(self,cmd)
                func()
    def get(self):
        print('get....')

    def put(self):
        print('put....')


obj=Service()
obj.run()

class Service:
    def run(self):
        while True:
            cmd = input('>>>')
            cmds = cmd.split()
            print(cmds)
            if hasattr(self,cmds[0]):
                func=getattr(self,cmds[0])
                func()

    def get(self):
        print('get....')

    def put(self):
        print('put....')


obj=Service()
obj.run()