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PLC基础知识课件,对新手非常友好!

  • 2026-04-05 14:46:03
PLC基础知识课件,对新手非常友好!

今天小编为大家分享一份PLC基础知识课件，主要内容如下，希望能帮到你。

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  1. 请求信息 : 2026-04-06 07:22:10 HTTP/2.0 GET : https://a.sjds.net/a/468126.html
  2. 运行时间 : 0.168173s [ 吞吐率：5.95req/s ] 内存消耗：4,418.53kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=70eb9f0da08f77c6c9835c47fe02da4e
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  1. CONNECT:[ UseTime:0.000412s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000679s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000319s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000275s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000822s ]
  6. SELECT * FROM `set` [ RunTime:0.002013s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000646s ]
  8. SELECT * FROM `article` WHERE `id` = 468126 LIMIT 1 [ RunTime:0.007364s ]
  9. UPDATE `article` SET `lasttime` = 1775431330 WHERE `id` = 468126 [ RunTime:0.002253s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.001962s ]
  11. SELECT * FROM `article` WHERE `id` < 468126 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000853s ]
  12. SELECT * FROM `article` WHERE `id` > 468126 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000597s ]
  13. SELECT * FROM `article` WHERE `id` < 468126 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.003657s ]
  14. SELECT * FROM `article` WHERE `id` < 468126 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001883s ]
  15. SELECT * FROM `article` WHERE `id` < 468126 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002495s ]
0.169645s