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【每周学一个Excel技巧】让报表自动生成序号

  • 2026-03-26 01:40:53
【每周学一个Excel技巧】让报表自动生成序号
大家好，我是木木。
让报表自动生成序号的小技巧，先看示例图：
公式：=SEQUENCE(COUNTA(B:B)-1)
功能：在A2输入公式后，当B列新增内容，A列自动生成新的序号；B列删除内容，A列序号会自动消除。
解读：这里用到了2个函数：SEQUENCE  & COUNTA函数。
（1）SEQUENCE函数主要用于生产一系列数字，常用语创建动态数据集。
公式：=SEQUENCE(行数，列数，起始数，增减值)
其中只有“行数”是必填项，表示指定生成的行数；剩下三个参数都可省略，省略则默认为1。
套用在本文用法中，保留了（行数，起始数）两个参数。
关于SEQUENCE的用法还有很多，此次先略，后面遇到再展开说。
（2）COUNTA函数主要用于计算指定范围内非空单元格。
公式：=COUNTA(值1，值2，...)
值可以是单元格，也可以是区域。
结合IF函数可筛选出完整有价值的反馈，剔除无效或重复数据，此次先略，后面遇到再展开说。
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:0.000787s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000772s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000292s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000265s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000494s ]
  6. SELECT * FROM `set` [ RunTime:0.000218s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000492s ]
  8. SELECT * FROM `article` WHERE `id` = 463129 LIMIT 1 [ RunTime:0.000873s ]
  9. UPDATE `article` SET `lasttime` = 1775865343 WHERE `id` = 463129 [ RunTime:0.025607s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000389s ]
  11. SELECT * FROM `article` WHERE `id` < 463129 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000501s ]
  12. SELECT * FROM `article` WHERE `id` > 463129 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000355s ]
  13. SELECT * FROM `article` WHERE `id` < 463129 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000781s ]
  14. SELECT * FROM `article` WHERE `id` < 463129 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000610s ]
  15. SELECT * FROM `article` WHERE `id` < 463129 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002899s ]
0.161841s