电商主图最大的瓶颈不是建模而是布光。一张能让人想点开的产品图，永远是 70% 灯光 + 20% 场景 + 10% 产品本身。这篇给出 10 套覆盖电商主图、品牌大片、新品发布、App 展示图等场景的 AI Prompt 模板，每套都把布光、机位、背景写到位，直接复制即可上手。
产品广告 Prompt 的六层结构
- 产品主体：品类、材质、颜色、外形细节、标志可见与否
- 场景类型：seamless studio / lifestyle scene / surreal set / hero shot
- 背景：纸卷背景、台面材质、自然环境元素
- 灯光：softbox 数量与方向，是否有 rim / reflection / shadow
- 镜头：焦段、机位高度、视角（top-down / hero angle / 45°）
- 后期氛围：色温、对比度、是否有水雾 / 反光 / 烟雾
一个隐藏技巧：模型对
seamless paper backdrop、acrylic surface、marble pedestal这类具体材质词的理解非常稳，比 “high-end background” 强 10 倍。
10 个可直接复制的 Prompt 模板
1. 电商主图（白底干净）
Product photography of a [product] on seamless pure white paper backdrop
Lighting: large softbox from camera-left, fill card from right, subtle floor reflection, soft shadow directly under product
Lens: 100mm macro, f/8, shot on Phase One
Composition: dead-center, slight 3/4 angle, product fills 60% of frame
Style: e-commerce hero shot, ultra-clean, crisp focus, true-to-color
Aspect: --ar 1:1适合：电商主图、淘宝/京东/亚马逊主图。把 [product] 替换为具体产品（“a matte black wireless headphone with metallic accents”）。
2. 品牌氛围大片
Product hero shot of a [product] placed on a rough natural stone slab
Lighting: warm side rim light from camera-right simulating low sun, deep shadow opposite, slight fog haze in air
Lens: 85mm, f/2.8, shot on medium format film
Composition: slight low angle, hero pose, blurred desert horizon in background
Style: high-end commercial brand campaign, cinematic
Mood: timeless, premium, story-driven
Aspect: --ar 16:9适合：品牌站首页、户外广告、视频开场。fog haze 这一句对”高级感”影响极大。
3. 化妆品 / 护肤品
Product photography of a [skincare bottle/jar] on a wet glossy acrylic surface with subtle water droplets around base
Lighting: clamshell lighting with large beauty dish from above, fill card below, soft rim light from behind
Lens: 100mm macro, f/5.6, sharp digital
Composition: slight 3/4 angle, product center, reflection symmetrical in surface
Style: high-end beauty editorial, glossy and clean, magazine cover quality
Mood: luxurious, fresh, hydrating
Aspect: --ar 4:5wet glossy acrylic surface 是护肤品永远的好朋友。
4. 食物 / 饮料
Food photography of a [drink in glass / dish on plate] on a textured rustic wooden table
Lighting: soft window backlight, fill card from front, slight steam rising, ice glistening
Lens: 50mm, f/2.8, shot on Fujifilm 400H
Composition: 45-degree angle, shallow depth of field, herbs and ingredients scattered as props
Style: editorial food magazine, warm and inviting
Mood: appetizing, slow morning
Aspect: --ar 4:5steam rising / condensation droplets / oil glisten 是让食物”看起来好吃”的灵魂词。
5. 数码 3C 类（科技氛围）
Product photography of a sleek matte-black [tech product] floating mid-air against a dark gradient navy background
Lighting: hard cool blue rim light from behind, single soft top light, glowing accent on logo
Lens: 85mm, f/4, hyperreal digital
Composition: dead-center, slight tilt, product fills 50% of frame, floating with subtle motion blur
Style: Apple-style product reveal, cinematic tech
Mood: premium, futuristic, mysterious
Aspect: --ar 16:9适合：3C 发布会主视觉。floating mid-air + dark gradient navy background 是发布会海报的工业模板。
6. 服装 / 鞋包
Product photography of a [shoe / bag] on a brushed concrete pedestal
Lighting: large softbox top-left, single accent rim light from right, deep shadow under product
Lens: 85mm, f/5.6, sharp digital
Composition: hero angle slightly low, product centered, single accent color drop in background
Style: high-end fashion campaign, magazine quality
Mood: confident, refined, modern
Aspect: --ar 4:5brushed concrete pedestal 这一句几乎能立刻把氛围拉成”奢侈品店”。
7. App Store 展示图（产品在使用中）
Lifestyle scene of a person's hand holding an iPhone showing a clean modern UI of [your app], on a minimalist desk with a notebook and cup of coffee
Lighting: soft north-facing window light, gentle warm shadow
Lens: 50mm, f/2.0, shot on Fujifilm GFX
Composition: top-down 45-degree angle, phone screen fills 35% of frame, screen clearly readable
Style: clean app marketing, lifestyle editorial
Mood: focused, minimal, intentional
Aspect: --ar 9:16App 展示图的关键：让屏幕占比够大、UI 可读、其他元素只做氛围。
8. 家居 / 厨电
Product lifestyle shot of a [kitchen appliance] placed on a clean modern white marble countertop
Lighting: soft morning window light from left, gentle highlights on stainless steel, plant casting soft shadow
Lens: 35mm, f/3.5, shot on digital
Composition: hero angle, slight low position, blurred white modern kitchen background
Style: home lifestyle ad, warm and aspirational
Mood: clean, comfortable, contemporary home
Aspect: --ar 4:5家电类不要把产品孤立，加一两个生活元素（咖啡、植物、面包）会显著拉真实感。
9. 户外 / 运动产品
Action product shot of a [sports product] in motion, splashes of water or dust around it, on a rocky natural environment
Lighting: harsh midday sun, hard shadow, slight motion blur on background
Lens: 35mm, f/4, fast shutter freeze, shot on digital
Composition: dynamic diagonal, product slightly off-center, low angle hero pose
Style: outdoor sports commercial, raw and powerful
Mood: energetic, adventurous, real
Aspect: --ar 16:9运动 / 户外类的关键：harsh midday sun + hard shadow，不要走柔光。
10. 超现实创意广告
Surreal product art shot of a [product] dramatically oversized, sitting on a single floating cloud in a pastel pink sky
Lighting: soft diffused dreamy light, magical sparkle particles
Lens: 50mm, f/4, hyperreal digital
Composition: dead-center, product as hero, scale-defying, minimalist
Style: surreal art-direction advertising, like Apple "Shot on iPhone" minimal art
Mood: dreamy, playful, premium
Aspect: --ar 1:1社交媒体爆款图常用方向。scale-defying / floating / oversized 是关键词。
产品图的灯光速查表
| 想要 | 用这套灯光 |
|---|---|
| 干净电商主图 | large softbox left, white fill card right, soft floor shadow |
| 高端氛围大片 | single hard side rim light, smoke haze, deep shadow opposite |
| 化妆品油亮感 | clamshell beauty dish above, fill below, rim light behind |
| 食物可口感 | window backlight, fill front, steam rising |
| 3C 科技感 | hard cool blue rim from behind, dark gradient navy background |
| 真实户外感 | harsh midday sun, hard shadow, no fill |
容易踩的坑
- 不写背景材质：写
clean background永远输出花的，写seamless white paper backdrop才稳定。 - 不写镜头：100mm 微距与 35mm 广角，产品形变完全不同。一定写。
- 加 logo 描述：模型生成的 logo 几乎一定是错的。建议留白，后期再合成。
- 场景过载：背景元素太多，主体被淹。原则：主体占 50-60%，背景只放 1-2 个氛围元素。
下一步怎么改得更好
- 建立”风格卡”：把灯光 + 背景 + 镜头三层固定，跨产品复用，做品牌一致性。
- 后期合成 Logo / 文字：AI 直接生成的 logo / 文案不可靠，建议留好留白，用 Photoshop / Figma 后期叠加。
- 三视角拍套图：同一个产品做 hero shot + detail shot + lifestyle shot，三张组一套素材。
- 避免幻像：AI 容易在产品上”加细节”。如果产品有精确形态要求（瓶身曲线、按钮位置），用 ControlNet 或参考图。
FAQ
Q：可以直接用 Midjourney / Flux / DALL·E 生成商业广告吗？ 许可证差异较大：Midjourney 付费订阅允许商业用途但要看具体计划；Flux 通常允许；DALL·E（ChatGPT）按账户类型而定。商业项目前请核对当前的服务条款。
Q：怎么让 AI 不要乱改产品形态？ 方案一：用 ControlNet / IP-Adapter 输入参考图。方案二：把产品描述写得极其具体（“cylindrical 80mm tall, matte black, single recessed button on top”）。方案三：用 inpaint 模式只重绘背景，保留产品本体。
Q：电商主图为什么模型总加 logo？
模型在训练时见过太多”瓶身有 logo”的图。两种解法：在 Prompt 里加 no logo, no text, plain product surface；或者直接在后期把 logo 抠掉换上你自己的。
Q：App Store 展示图怎么让 UI 可读？
让手机屏幕在画面里占至少 30%。Prompt 里写 screen clearly readable, sharp focus on screen, UI visible。
Q：怎么让一组产品图风格统一？ 锁住 Lighting + Background + Lens，跨产品复用。详见 AI 图片风格不统一怎么办。