https://blog.youkuaiyun.com/edujoinzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/edujoin/article/details/161056667https://blog.youkuaiyun.com/edujoin/article/details/161056667edujoinWed, 13 May 2026 18:40:18 +0800https://blog.youkuaiyun.com/edujoin/article/details/160990351https://blog.youkuaiyun.com/edujoin/article/details/160990351edujoinMon, 11 May 2026 18:08:59 +0800https://blog.youkuaiyun.com/edujoin/article/details/160830290https://blog.youkuaiyun.com/edujoin/article/details/160830290edujoinWed, 06 May 2026 18:42:10 +0800https://blog.youkuaiyun.com/edujoin/article/details/160665333https://blog.youkuaiyun.com/edujoin/article/details/160665333edujoinThu, 30 Apr 2026 18:04:44 +0800https://blog.youkuaiyun.com/edujoin/article/details/160633762https://blog.youkuaiyun.com/edujoin/article/details/160633762edujoinWed, 29 Apr 2026 18:54:24 +0800https://blog.youkuaiyun.com/edujoin/article/details/160480321https://blog.youkuaiyun.com/edujoin/article/details/160480321edujoinFri, 24 Apr 2026 19:04:01 +0800https://blog.youkuaiyun.com/edujoin/article/details/160284785https://blog.youkuaiyun.com/edujoin/article/details/160284785edujoinSat, 18 Apr 2026 18:59:07 +0800https://blog.youkuaiyun.com/edujoin/article/details/160225054https://blog.youkuaiyun.com/edujoin/article/details/160225054edujoinThu, 16 Apr 2026 19:17:09 +080020人）自动切换为"教师主讲+文字互动"模式，降低Mediasoup转发压力。教师创建课程时选择本地时区，存储自动转UTC。优化：用物化视图（Materialized View）或定时任务刷缓存表，而非实时计算。技术栈选择：Laravel（业务层）+ Vue3（前端）+ WebRTC（直播）+ MySQL + Redis。坑点：APCu在FPM多进程环境下共享问题，改用文件锁做本地缓存同步，性能损失可接受。首页展示"正在进行"的直播房间，早期用WHERE + ORDER，数据量上万后慢查询。]]>https://blog.youkuaiyun.com/edujoin/article/details/160188871https://blog.youkuaiyun.com/edujoin/article/details/160188871edujoinWed, 15 Apr 2026 18:11:51 +0800https://blog.youkuaiyun.com/edujoin/article/details/159697328https://blog.youkuaiyun.com/edujoin/article/details/159697328edujoinTue, 31 Mar 2026 22:24:00 +0800https://blog.youkuaiyun.com/edujoin/article/details/158976040https://blog.youkuaiyun.com/edujoin/article/details/158976040edujoinThu, 12 Mar 2026 19:38:47 +0800https://blog.youkuaiyun.com/edujoin/article/details/158429879https://blog.youkuaiyun.com/edujoin/article/details/158429879edujoinThu, 26 Feb 2026 18:29:23 +0800https://blog.youkuaiyun.com/edujoin/article/details/158353560https://blog.youkuaiyun.com/edujoin/article/details/158353560edujoinTue, 24 Feb 2026 18:22:30 +0800https://blog.youkuaiyun.com/edujoin/article/details/157944228https://blog.youkuaiyun.com/edujoin/article/details/157944228edujoinTue, 10 Feb 2026 18:30:23 +0800https://blog.youkuaiyun.com/edujoin/article/details/157734320https://blog.youkuaiyun.com/edujoin/article/details/157734320edujoinWed, 04 Feb 2026 17:30:07 +0800https://blog.youkuaiyun.com/edujoin/article/details/157656445https://blog.youkuaiyun.com/edujoin/article/details/157656445edujoinMon, 02 Feb 2026 19:29:21 +0800https://blog.youkuaiyun.com/edujoin/article/details/157477357https://blog.youkuaiyun.com/edujoin/article/details/157477357edujoinWed, 28 Jan 2026 19:34:52 +0800https://blog.youkuaiyun.com/edujoin/article/details/157399383https://blog.youkuaiyun.com/edujoin/article/details/157399383edujoinMon, 26 Jan 2026 18:31:36 +0800https://blog.youkuaiyun.com/edujoin/article/details/157285479https://blog.youkuaiyun.com/edujoin/article/details/157285479edujoinFri, 23 Jan 2026 10:19:11 +0800https://blog.youkuaiyun.com/edujoin/article/details/157220942https://blog.youkuaiyun.com/edujoin/article/details/157220942edujoinWed, 21 Jan 2026 18:59:25 +0800