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Python Web开发入门:前端+后端+数据库,3分钟搞懂!

  • 2026-07-02 16:27:18
Python Web开发入门:前端+后端+数据库,3分钟搞懂!

Python Web开发入门：前端+后端+数据库，3分钟搞懂！🎯

姐妹们，Day31打卡！
今天学习Web基础，终于搞懂了网站是怎么工作的！

你有没有想过：

你在浏览器输入网址，按回车，
背后到底发生了什么？🤔
今天终于搞明白了！

一个Web网站 = 前端 + 服务器端 + 数据库

• 前端：负责界面展示，好看！
• 服务器端：负责业务逻辑，处理请求！
• 数据库：负责存储数据！

访问流程：
浏览器 → 前端 → 服务器 → 数据库 → 返回

前端三剑客：

• HTML = 结构
• CSS = 样式
• JavaScript = 交互

继续加油！40岁学Web开发，稳稳的！💪🚀
#Python #Web开发 #FastAPI #前端 #自学打卡 #40岁学AI #小鹿的AI日记

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  1. 请求信息 : 2026-07-03 01:03:45 HTTP/2.0 GET : https://f.mffb.com.cn/a/502733.html
  2. 运行时间 : 0.100537s [ 吞吐率：9.95req/s ] 内存消耗：4,683.02kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=2c334c63c74a3a65d00c4cd0627058e7
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  139. /yingpanguazai/ssd/ssd1/www/f.mffb.com.cn/runtime/temp/067d451b9a0c665040f3f1bdd3293d68.php ( 11.98 KB )
  140. /yingpanguazai/ssd/ssd1/www/f.mffb.com.cn/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000672s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000727s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000740s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000284s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000506s ]
  6. SELECT * FROM `set` [ RunTime:0.000195s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000554s ]
  8. SELECT * FROM `article` WHERE `id` = 502733 LIMIT 1 [ RunTime:0.000446s ]
  9. UPDATE `article` SET `lasttime` = 1783011825 WHERE `id` = 502733 [ RunTime:0.021138s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000354s ]
  11. SELECT * FROM `article` WHERE `id` < 502733 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000513s ]
  12. SELECT * FROM `article` WHERE `id` > 502733 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000372s ]
  13. SELECT * FROM `article` WHERE `id` < 502733 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.003654s ]
  14. SELECT * FROM `article` WHERE `id` < 502733 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001868s ]
  15. SELECT * FROM `article` WHERE `id` < 502733 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000837s ]
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