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网页抓取神器Cheerio,一行代码操作HTML

  • 2026-06-26 02:12:25
网页抓取神器Cheerio,一行代码操作HTML

网页抓取神器Cheerio，一行代码操作HTML

Cheerio 是 Node.js 上的高性能 HTML 解析工具，它能够快速读取、操作和修改网页内容，支持类似 jQuery 的语法，极大提高爬虫开发和数据抓取效率。本流程图将展示 Cheerio 的核心工作流程、DOM 操作原理以及如何高效解析和操作 HTML 内容，让开发者轻松掌握网页数据处理方法。

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  1. 请求信息 : 2026-06-27 02:30:59 HTTP/2.0 GET : https://g.sjds.net/a/458656.html
  2. 运行时间 : 0.289617s [ 吞吐率：3.45req/s ] 内存消耗：4,450.39kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=ecb5a6d640f66515bee8687debf73427
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  1. CONNECT:[ UseTime:0.000886s ] mysql:host=127.0.0.1;port=3306;dbname=g_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001513s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.011718s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000728s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001593s ]
  6. SELECT * FROM `set` [ RunTime:0.008565s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001661s ]
  8. SELECT * FROM `article` WHERE `id` = 458656 LIMIT 1 [ RunTime:0.061099s ]
  9. UPDATE `article` SET `lasttime` = 1782498659 WHERE `id` = 458656 [ RunTime:0.028198s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.015831s ]
  11. SELECT * FROM `article` WHERE `id` < 458656 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.010080s ]
  12. SELECT * FROM `article` WHERE `id` > 458656 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.009877s ]
  13. SELECT * FROM `article` WHERE `id` < 458656 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000862s ]
  14. SELECT * FROM `article` WHERE `id` < 458656 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000933s ]
  15. SELECT * FROM `article` WHERE `id` < 458656 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003126s ]
0.291196s