TokenServiceImpl.java 文件源码

@Override
@Transactional(rollbackFor = Exception.class)
public Map<String, Object> createToken(long userId) throws Exception {
    //生成一个token
    String token = UUID.randomUUID().toString();
    //当前时间
    LocalDate now = LocalDate.now();

    //过期时间
    LocalDateTime expireTime = LocalDateTime.now().plusHours(12);

    //判断是否生成过token
    TokenEntity tokenEntity = queryByUserId(userId);
    if (tokenEntity == null) {
        tokenEntity = new TokenEntity();
        tokenEntity.setUserId(userId);
        tokenEntity.setToken(token);
        tokenEntity.setUpdateTime(now);
        tokenEntity.setExpireTime(expireTime);

        //保存token
        save(tokenEntity);
    } else {
        tokenEntity.setToken(token);
        tokenEntity.setUpdateTime(now);
        tokenEntity.setExpireTime(expireTime);

        //更新token
        update(tokenEntity);
    }

    Map<String, Object> map = new HashMap<>(16);
    map.put("token", token);
    map.put("expire", EXPIRE);

    return map;
}