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Excel小课堂:LEFT函数轻松提取文本

  • 2026-08-07 21:10:26
Excel小课堂:LEFT函数轻松提取文本

演示数据：

产品编码

APP001

APP002

HUA001

问： 如何批量提取产品编码的前3位品牌前缀？

答： 用LEFT函数！在B2单元格输入：

=LEFT(A2, 3)

下拉填充即可。公式含义：从A2单元格左侧开始，提取3个字符。APP001提取出"APP"，HUA001提取出"HUA"。

数据分列、编码解析、前缀提取……LEFT是你处理文本的得力助手！

本文来自网友投稿或网络内容，如有侵犯您的权益请联系我们删除，联系邮箱：wyl860211@qq.com 。

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  1. CONNECT:[ UseTime:0.000892s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001442s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000761s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000684s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001465s ]
  6. SELECT * FROM `set` [ RunTime:0.000561s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001495s ]
  8. SELECT * FROM `article` WHERE `id` = 545674 LIMIT 1 [ RunTime:0.000996s ]
  9. UPDATE `article` SET `lasttime` = 1786500290 WHERE `id` = 545674 [ RunTime:0.002313s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.007569s ]
  11. SELECT * FROM `article` WHERE `id` < 545674 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001484s ]
  12. SELECT * FROM `article` WHERE `id` > 545674 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.015267s ]
  13. SELECT * FROM `article` WHERE `id` < 545674 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.008220s ]
  14. SELECT * FROM `article` WHERE `id` < 545674 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001992s ]
  15. SELECT * FROM `article` WHERE `id` < 545674 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.013334s ]
0.244338s