eg: cityName:北京 ,PEK
public classs redis{ @Autowired private RedisTemplate redisTemplate; public void save(){ RedisConnectionFactory factory =redisTemplate.getConnectionFactory(); RedisStringCommands redisStringCommands = factory.getConnection(); RedisSerializer redisSerializer=redisTemplate.getStringSerializer(); Map<String,String> map=CityCodeAndNameUtil.getCityNameCodeMap(); for (Map.Entry<String, String> entry : map.entrySet()) { byte[] key =redisSerializer.serialize("cityName:"+entry.getKey()); byte[] value=redisSerializer.serialize(entry.getValue()); redisStringCommands.set(key,value); } }