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一文详解在Excel中数据清洗的常用方法

  • 2026-11-10 00:16:13
一文详解在Excel中数据清洗的常用方法
整理了数据清洗中常用的Excel小技巧👇👇👇✅剔除重复值和缺失值；✅文本分列；✅从文本中提取数字(比如100分提取100)；✅删除单元格多余空格；✅以文本形式存储的数字的转换；✅批量替换单元格内容；✅英文文本大小写转换；✅替换单元格中的特殊字符；内容有点多，再练多几遍能掌握了~
。
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  1. 请求信息 : 2026-11-13 08:52:14 HTTP/1.1 GET : http://h.sjds.net/a/479496.html
  2. 运行时间 : 0.078453s [ 吞吐率：12.75req/s ] 内存消耗：4,238.19kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=ab59347f81d3f9f2d62f79e10c4e5d5c
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  1. CONNECT:[ UseTime:0.000653s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000614s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000433s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000351s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000552s ]
  6. SELECT * FROM `set` [ RunTime:0.000303s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000604s ]
  8. SELECT * FROM `article` WHERE `id` = 479496 LIMIT 1 [ RunTime:0.000363s ]
  9. UPDATE `article` SET `lasttime` = 1794531134 WHERE `id` = 479496 [ RunTime:0.001015s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000302s ]
  11. SELECT * FROM `article` WHERE `id` < 479496 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000408s ]
  12. SELECT * FROM `article` WHERE `id` > 479496 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000426s ]
  13. SELECT * FROM `article` WHERE `id` < 479496 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000464s ]
  14. SELECT * FROM `article` WHERE `id` < 479496 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000563s ]
  15. SELECT * FROM `article` WHERE `id` < 479496 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000498s ]
0.089247s