from kafka import KafkaProducer
import json

producer = KafkaProducer(bootstrap_servers=['120.27.147.4:9092'],
                         value_serializer=lambda m: json.dumps(m).encode('ascii'))

print(producer.config)

message = {"name": "John", "age": 30}
producer.send('test-topic', message)
producer.flush()  # 确保所有消息都已发送