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Python文件操作:路径写法+操作模式,一篇搞懂!

  • 2026-06-29 16:03:17
Python文件操作:路径写法+操作模式,一篇搞懂!

Python文件操作：路径写法+操作模式，一篇搞懂！💡

姐妹们，Day29打卡！
今天学习文件操作知识扩展！
路径写法+操作模式，一篇搞懂！💪

路径写法：

• ./ 当前目录（可省略）
• ../ 上一级目录
• ../../ 上上级目录

操作模式：

• r 只读模式
• w 覆盖写入 ⚠️
• a 追加写入 ✅

相对路径 vs 绝对路径：

• 相对路径：可移植性好 ✅ 推荐
• 绝对路径：可移植性差 ❌

40岁宝妈也能搞懂文件操作！
继续加油！💪🚀
#Python #文件操作 #路径写法 #相对路径 #绝对路径 #40岁学AI #小鹿的AI日记

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  1. CONNECT:[ UseTime:0.000611s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000774s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000403s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000368s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000604s ]
  6. SELECT * FROM `set` [ RunTime:0.000248s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000589s ]
  8. SELECT * FROM `article` WHERE `id` = 502290 LIMIT 1 [ RunTime:0.000422s ]
  9. UPDATE `article` SET `lasttime` = 1783006330 WHERE `id` = 502290 [ RunTime:0.005379s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000276s ]
  11. SELECT * FROM `article` WHERE `id` < 502290 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000474s ]
  12. SELECT * FROM `article` WHERE `id` > 502290 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001104s ]
  13. SELECT * FROM `article` WHERE `id` < 502290 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.014363s ]
  14. SELECT * FROM `article` WHERE `id` < 502290 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.037138s ]
  15. SELECT * FROM `article` WHERE `id` < 502290 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.040403s ]
0.213949s