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Excel基础操作--怎么批量提取一段数字中间的数字,例如怎么批量提取身份证号中的出生日期?

  • 2026-05-17 12:20:40
Excel基础操作--怎么批量提取一段数字中间的数字,例如怎么批量提取身份证号中的出生日期?
我之前有在对接一些工程项目，需要给他们购买保险，一般的项目工程险、建工安责险对于施工人员都是有年龄要求的，但是工地实际施工还是会有超龄人员，特别是一些古建项目的老师傅，大多都是超过65周岁的。这类人员就需要单独给他们购买意外险，这就需要筛选出他们的年龄。
人员信息提供过来一般都是姓名、身份证、联系方式、打款账号。
今天我们来学习怎么快速批量从身份证号中提取出他们的出生日期并计算年龄。（以下姓名及证件号等都已隐去完整信息）
首先，我们使用MID公式提取出生年份，身份证号是18位数，出生年份是第七位到第十位共四位数，所以设定的开始位置填7，字符个数填4。即可得出他的出生年份。
因为我们还要求算出他的年龄，直接在MID的前面加上当前年份减MID公式“=2026-MID(C3,7,4)”，即可计算出当前年龄。
选定设置好公式的结果框，鼠标放在小方框的位置会出现小+号，左键按住下滑到需要计算的就可以批量求出年龄了；或者按住小方框的位置小+号双击，下方需要计算单元格也会批量填入公式。
MID公式不仅可以提取身份证号的出生日期，例如提取前后固定的编码号也是可以的，只是调整下开始位置和字符位置的数值。数值填写的原理应该了解了吧！
明天我们学习一下怎么把字符串中间的数值变成*号吧！
有不会的操作可以留言哦！
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  1. CONNECT:[ UseTime:0.001202s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001848s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000801s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000725s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001368s ]
  6. SELECT * FROM `set` [ RunTime:0.000567s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001552s ]
  8. SELECT * FROM `article` WHERE `id` = 509133 LIMIT 1 [ RunTime:0.001179s ]
  9. UPDATE `article` SET `lasttime` = 1779078544 WHERE `id` = 509133 [ RunTime:0.005596s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000614s ]
  11. SELECT * FROM `article` WHERE `id` < 509133 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001170s ]
  12. SELECT * FROM `article` WHERE `id` > 509133 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001104s ]
  13. SELECT * FROM `article` WHERE `id` < 509133 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002847s ]
  14. SELECT * FROM `article` WHERE `id` < 509133 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002688s ]
  15. SELECT * FROM `article` WHERE `id` < 509133 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.009386s ]
0.201461s