当前时间： 2026-07-07 00:16:58
分类：办公文件
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PDF文件过大如何压缩MB体积变小使用可此工具箱中的PDF压缩功能可以将PDF文件压缩到设置范围上限以内上传文件以后可以看到当前文件大小，设定需要压缩到多少以下，比如压缩到20M以下就输入20，选择单位MB，注意文件不能压缩到过于小，比如把原来44M的文件压缩到2M以下，那可能会出现马赛克，完全模糊看不清PDF压缩需要一段时间，因为处理比较复杂，确认压缩以后订阅压缩成功的通知，压缩完成将会收到微信通知，可以第一时间下载使用
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SQL
调试
- 请求信息 : 2026-07-07 00:33:35 HTTP/1.1 GET : https://www.yeyulingfeng.com/a/841527.html
- 运行时间 : 0.295407s [ 吞吐率：3.39req/s ] 内存消耗：4,802.21kb 文件加载：145
- 缓存信息 : 0 reads,0 writes
- 会话信息 : SESSION_ID=1be5b3d025b999be0ced7cd34b94c35c
- CONNECT:[ UseTime:0.000888s ] mysql:host=127.0.0.1;port=3306;dbname=wenku;charset=utf8mb4
- SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000827s ]
- SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000311s ]
- SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.012582s ]
- SHOW FULL COLUMNS FROM `set` [ RunTime:0.001014s ]
- SELECT * FROM `set` [ RunTime:0.000242s ]
- SHOW FULL COLUMNS FROM `article` [ RunTime:0.000698s ]
- SELECT * FROM `article` WHERE `id` = 841527 LIMIT 1 [ RunTime:0.000509s ]
- UPDATE `article` SET `lasttime` = 1783355615 WHERE `id` = 841527 [ RunTime:0.005698s ]
- SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000748s ]
- SELECT * FROM `article` WHERE `id` < 841527 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001167s ]
- SELECT * FROM `article` WHERE `id` > 841527 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.016502s ]
- SELECT * FROM `article` WHERE `id` < 841527 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.018827s ]
- SELECT * FROM `article` WHERE `id` < 841527 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.014778s ]
- SELECT * FROM `article` WHERE `id` < 841527 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.043189s ]
0.297596s
夜雨聆风
