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pandas 处理 Excel 实战:从读取、清洗到导出全流程

  • 2026-04-09 22:00:39
pandas 处理 Excel 实战:从读取、清洗到导出全流程

手动处理 Excel 太慢、易出错？用 pandas 几行代码就能完成数据读取、筛选、清洗、合并、统计、导出全流程。这篇整理了 pandas 处理 Excel 最常用的实战代码，覆盖职场高频场景，注释清晰，复制改个文件名就能运行，让你真正用 Python 自动化处理表格。

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  1. CONNECT:[ UseTime:0.000603s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000784s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000308s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000272s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000500s ]
  6. SELECT * FROM `set` [ RunTime:0.000192s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000636s ]
  8. SELECT * FROM `article` WHERE `id` = 492404 LIMIT 1 [ RunTime:0.000398s ]
  9. UPDATE `article` SET `lasttime` = 1775888941 WHERE `id` = 492404 [ RunTime:0.006028s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000234s ]
  11. SELECT * FROM `article` WHERE `id` < 492404 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000413s ]
  12. SELECT * FROM `article` WHERE `id` > 492404 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000388s ]
  13. SELECT * FROM `article` WHERE `id` < 492404 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000569s ]
  14. SELECT * FROM `article` WHERE `id` < 492404 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000651s ]
  15. SELECT * FROM `article` WHERE `id` < 492404 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000775s ]
0.084614s