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课后拓展推文,我让AI按课件任务"一键成稿":以《手机摄影》每课2篇为例

  • 2026-10-01 08:47:05
课后拓展推文,我让AI按课件任务"一键成稿":以《手机摄影》每课2篇为例

课上了,文字活儿没完。每周发课后拓展推文,是最容易被拖到深夜的一类——要对应课件、要有讲解、还要配练习。

我给《手机摄影》定了条规矩:每一课配套 2 篇课后拓展推文,含 100 字摘要 + 16:9 配图 + 分节讲解 + 课后在家练 + 小结 + 课后任务。15 课就是 30 篇,靠自己憋不现实。

课后拓展推文的立足点:给学员一份"随时能翻、照着能做"的范本

课后拓展推文,不是把课件搬上网。

《手机摄影基础》的学员以中老年朋友为主——大多零基础、怕参数、记不住术语。他们最需要的不是"课上完再学一遍",而是遇到某个难点时,能随时翻出来照着做的一份范本。所以我给每篇定了三个立足点:

  • 盯着重点难点写:每课课件里学员最易卡壳的地方,就是推文的主攻点。不铺开讲原理,只把"这一课最该学会的那一下"讲透。
  • 写成可随时阅览的范本:公众号推文能回看、能收藏。我把每个知识点落成"讲清道理 + 给一句口诀 + 附对比图",学员下次拍照前翻一篇就行,不用重上两小时课。
  • 落到可实践指导:每篇末尾的"课后在家练"给的是具体动作(同物顺光/侧光/逆光三连拍、窗边静物摆拍),10 分钟在家就能完成——把课堂延伸到了客厅。

一句话:课件是"我讲什么",课后拓展推文是"学员回去怎么练"。前者覆盖知识,后者解决"学完用不上"。这个立足点,也决定了后面 AI 该怎么帮我生成。

现在这套活,我用 WorkBuddy 跑成了流水线。

真实案例:《手机摄影》第2课"用光基础"

带着上面的立足点看这一课。课件 24 页,讲透四种光向(顺光、侧光、逆光、顶光)再加两个加分项(黄金时刻、窗边光),任务拆得很细。学员在这课最大的难点就两个:认不清三种光向、一拍就黑脸。所以推文不面面俱到讲光学,专攻"三光向一眼认、逆光敢拍剪影"。

我把当课 PPTX 课件(用 python-pptx 提取全文 + 演讲备注)交给 AI,提的要求就一句:按课件任务一一对应生成拓展稿,案例不重复、不超课件范围。

AI 读完整本课件后,自动归并出 2 篇:

  • 第1篇《顺光清楚、侧光立体、逆光出神作》——对应课件任务二、三、四(顺光/侧光/逆光)。把"顺光求清楚、侧光出立体、逆光敢拍剪影"讲透,连"点天空出剪影、点脸上出人脸"的口诀都从备注里提炼了出来。
  • 第2篇《能等就等黄金时刻,室内先看窗》——对应课件加分项(黄金时刻/窗边光)。给了一天光线时刻表,把"窗=巨型柔光箱"三种用法落成可练动作。

我拿到初稿只做了两件事:核对案例和课件任务对得上、把标题改得更口语,就进草稿箱了。从交课件到出两篇成稿,中间我几乎没"写",只在"审"。

为什么案例能严丝合缝:靠的是"课件任务"这个锚

之前自己写容易跑偏——要么漏了某个任务,要么两篇讲重了。现在的要求很死:一篇对应哪几个课件任务,必须写明白。AI 按任务编号归并,天然不会重、不会漏。

比如第2课原本五个模块,归并逻辑是:

  • 任务二/三/四 都是"光向认读"→ 合一篇;
  • 加分项两个都是"好光时机"→ 合一篇。

第1课同样跑过这套流程(当时按网格线三分法、对焦曝光、HDR防抖写了 3 篇),从第2课起我统一成"每课 2 篇",结构更紧凑、节奏更稳。

我的三步法(可抄)

  1. 给课件包:把当课 PPTX 丢给 AI,用 python-pptx 把全文和备注一次性提取出来(备注里我的演讲稿常含关键口诀,不能丢)。
  2. 出初稿:要求写明"本篇对应课件哪几个任务",附 100 字摘要(YAML description)和 16:9 配图提示词;案例必须与课件任务一一对应、不重复。
  3. 改标题就发:我审一遍——重点盯"案例有没有超课件范围、口诀准不准",改个口语标题,配图出图过目,进草稿箱。

附:可执行交付物——《课后拓展推文模板》

单篇结构(YAML + 五段):

  • YAML:title(口语标题)+ description(100 字摘要,自动渲染为顶部引用块)
  • 分节讲解(对应课件任务,用"一/二/三"拆)
  • 课后在家练(约 10 分钟,给具体可拍动作)
  • 小结(一句口诀收束)
  • 课后任务(交 1 张作品到班级群)

发布规则: 每课 2 篇;案例与课件任务一一对应、不重复;配图用 ImageGen 出 16:9 温暖插画,出图后本人过目再发。

边界提醒: 学员作品、课程数据必须真实;AI 提炼的口诀若和你的讲法不同,以你的为准——判断层永远留给人。


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  139. /www/wwwroot/a.sjds.net/runtime/temp/64ad42204038485b18ca907186edb47b.php ( 8.05 KB )
  140. /www/wwwroot/a.sjds.net/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000600s ] mysql:host=172.18.0.4;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000922s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000399s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000350s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000563s ]
  6. SELECT * FROM `set` [ RunTime:0.000275s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000678s ]
  8. SELECT * FROM `article` WHERE `id` = 532609 LIMIT 1 [ RunTime:0.000440s ]
  9. UPDATE `article` SET `lasttime` = 1790913438 WHERE `id` = 532609 [ RunTime:0.001684s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000335s ]
  11. SELECT * FROM `article` WHERE `id` < 532609 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000382s ]
  12. SELECT * FROM `article` WHERE `id` > 532609 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000357s ]
  13. SELECT * FROM `article` WHERE `id` < 532609 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000533s ]
  14. SELECT * FROM `article` WHERE `id` < 532609 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000510s ]
  15. SELECT * FROM `article` WHERE `id` < 532609 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000754s ]
0.090291s