Mysql使用另一个表来转换值

Question

表用户

+-----+-------+----------+------------+
| id  |  name |  gender  |   computer |
+-----+-------+----------+------------+
| 1   |  ben  |     1    |       3    |
+-----+-------+----------+------------+

表格翻译

+-----+--------+
| id  |  trans |
+-----+--------+
| 1   |   boy  |
| 2   |   girl |
| 3   |   pc   |
| 4   |   mac  |
+-----+--------+

最终结果

+-----+-------+----------+----------+
| id  |  name |  gender  | computer |
+-----+-------+----------+----------+
|  1  |  ben  |  boy     | pc       |
+-----+-------+----------+----------+

我有 2 个表，一个是用户数据，另一个是翻译。

我想使用翻译表来翻译用户的性别和计算机的值 有人知道如何实现这一目标吗？

Answer 1

使用加入。

查询

 select 
   t1.`id`,
   t1.`name`,
   t2.`trans` as `gender`,
   t3.`trans` as `computer`
from `user` t1
join `translate` t2
on t1.`gender` = t2.`id`
join `translate` t3
on t1.`computer` = t3.`id`;