消息推送系统

def send(self, message):

raise NotImplementedError

class EmailHandler(MessageHandler):

def send(self, message):

print(f"Sending email: {message}")

class SMSHandler(MessageHandler):

def send(self, message):

print(f"Sending SMS: {message}")

class SocialMediaHandler(MessageHandler):

def send(self, message):

print(f"Posting on social media: {message}")

class MessageFactory:

@staticmethod

def get_handler(handler_type):

if handler_type == 'email':

数据中台建设

return EmailHandler()

elif handler_type == 'sms':

return SMSHandler()

elif handler_type == 'social':

return SocialMediaHandler()

else:

raise ValueError("Unsupported handler type")