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优雅代码的32条法则

  • 2026-02-05 01:07:41
优雅代码的32条法则

这几天在看《码农修行》这本书，这本书提出了32条优雅代码的法则，截图如下：

下图是从知乎上拷贝下来的，从3个维度总结了优雅代码的本质，总结得很好：
当然无论是32条法则，还是3个维度的总结，都太多了，还好不是教科书的内容，不需要为了考试死记硬背下来。
我觉得要写出优雅代码，做到以下3点就已经很不错了：
1、见名知义，良好的命名。
2、程序有清晰的结构。
3、算法尽可能考虑时间复杂度和空间复杂度。
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  1. CONNECT:[ UseTime:0.001016s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001414s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.003777s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.006294s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001367s ]
  6. SELECT * FROM `set` [ RunTime:0.004043s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000829s ]
  8. SELECT * FROM `article` WHERE `id` = 470727 LIMIT 1 [ RunTime:0.000537s ]
  9. UPDATE `article` SET `lasttime` = 1770479005 WHERE `id` = 470727 [ RunTime:0.006192s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000264s ]
  11. SELECT * FROM `article` WHERE `id` < 470727 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.010363s ]
  12. SELECT * FROM `article` WHERE `id` > 470727 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001638s ]
  13. SELECT * FROM `article` WHERE `id` < 470727 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.026403s ]
  14. SELECT * FROM `article` WHERE `id` < 470727 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.016208s ]
  15. SELECT * FROM `article` WHERE `id` < 470727 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.010199s ]
0.253877s