https://zerocoding.online/tags/%E6%8F%90%E7%A4%BA%E5%B7%A5%E7%A8%8B/ZeroCodingHugo 0.165.0 & FixIt v1.0.0-alpha.2-mtmrzvotzh-CNhi@zerocoding.online (ZeroCoding)hi@zerocoding.online (ZeroCoding)Mon, 10 Aug 2026 00:00:00 +0800https://zerocoding.online/posts/prompt-engineering/Mon, 10 Aug 2026 00:00:00 +0800hi@zerocoding.online (ZeroCoding)https://zerocoding.online/posts/prompt-engineering/AI<p>提示工程是把大模型用好的基本功。这里整理几个在真实业务里反复验证有效的技巧。</p> <h2 class="heading-element" id="三个核心原则"><span>三个核心原则</span> <a href="#%e4%b8%89%e4%b8%aa%e6%a0%b8%e5%bf%83%e5%8e%9f%e5%88%99" class="heading-mark"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a> </h2><ol> <li><strong>给足上下文</strong>：把背景、角色、约束写清楚，别让模型猜。</li> <li><strong>要求结构化输出</strong>：明确 JSON Schema 或 Markdown 格式，方便下游解析。</li> <li><strong>分步引导</strong>：复杂任务拆成多步，配合思维链（CoT）让模型「想清楚再说」。</li> </ol> <h2 class="heading-element" id="少样本示例"><span>少样本示例</span> <a href="#%e5%b0%91%e6%a0%b7%e6%9c%ac%e7%a4%ba%e4%be%8b" class="heading-mark"><svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg></a> </h2><p>给 1～3 个高质量示例，比写一堆抽象规则更有效。示例要覆盖边界情况，让模型学会「什么时候该怎么做」。</p>