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Excel函数:提取内容(LEFT/RIGHT/MID),一分钟搞定!

  • 2026-10-20 09:43:35
Excel函数:提取内容(LEFT/RIGHT/MID),一分钟搞定!

从左提取内容

LEFT函数用于从一个文本字符串的第一个字符开始返回指定个数的字符。

从右提取内容

RIGHT函数和LEFT函数用法一样，指的是从右边第一个字符开始提取字符

从中间提取内容

MID函数是从一个字符串中截取出指定数量的字符

大家快去试试吧！
Excel函数：生成随机整数、小数公式
Excel：三种取整方法等你来！！
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  1. 请求信息 : 2026-10-24 20:46:53 HTTP/1.1 GET : http://h.sjds.net/a/530318.html
  2. 运行时间 : 0.096493s [ 吞吐率：10.36req/s ] 内存消耗：4,420.52kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=be19249842c0f6470dc628f353e92961
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  1. CONNECT:[ UseTime:0.000648s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000779s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000415s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000404s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000635s ]
  6. SELECT * FROM `set` [ RunTime:0.000306s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000732s ]
  8. SELECT * FROM `article` WHERE `id` = 530318 LIMIT 1 [ RunTime:0.000430s ]
  9. UPDATE `article` SET `lasttime` = 1792846013 WHERE `id` = 530318 [ RunTime:0.001462s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000337s ]
  11. SELECT * FROM `article` WHERE `id` < 530318 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000467s ]
  12. SELECT * FROM `article` WHERE `id` > 530318 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000504s ]
  13. SELECT * FROM `article` WHERE `id` < 530318 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000642s ]
  14. SELECT * FROM `article` WHERE `id` < 530318 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000573s ]
  15. SELECT * FROM `article` WHERE `id` < 530318 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000757s ]
0.111871s