Google推出Nano Banana官方終極指南：六條保姆級權威提示教學

直接和官方學習最頂級的nano banana 提示技巧，這比你看多少碎片文章和視訊都強

Nano Banana 太火了，Google趁熱打鐵，剛剛推出了官方認證的的Nano Banana使用指南，指南一共有六條提示詞範本和具體示例，可以在 Google AI Studio (ai.studio/banana) 中立即體驗這些功能，或通過官方文件中的程式碼進行呼叫

不熟悉的同學可以速覽一下Nano Banana（即 Gemini 2.5 Flash Image 圖像模型） 的核心功能：

文生圖 (Text-to-image): 從簡單或複雜的文字描述中生成高品質圖像

圖+文生圖 (編輯): 提供一張圖片，通過文字指令加入、移除或修改元素，改變風格或調整色彩

多圖生圖 (合成與風格遷移): 使用多張輸入圖像來構圖新場景，或將一張圖像的風格遷移到另一張上

迭代最佳化: 通過多輪對話逐步最佳化圖像，進行微調直至完美

文字渲染: 生成包含清晰、位置得當文字的圖像，非常適合用於徽標、圖表和海報

本指南將教會你如何編寫有效的提示詞 (prompt) 和指令，以充分發揮 nano banana 的潛力。這一切都始於一個基本原則：

描述場景，而非羅列關鍵詞，nano banana 的核心優勢在於其深度的語言理解能力。與一堆零散的關鍵詞相比，一段敘事性的、富有描述力的段落幾乎總能生成更優質、更連貫的圖像

廢話不多說，直接上乾貨

Nano Banana 六大提示詞技巧

1. 創造照片級真實感場景

想要獲得逼真的圖像，要像攝影師一樣思考。提及相機角度、鏡頭類型、光線和精緻細節，將引導模型創造出照片級的效果

範本 :

一張照片級的[拍攝類型]照片，主體是[主體]，正在[動作或表情]，場景位於[環境]。由[光線描述]照亮，營造出[氛圍]的氛圍。使用[相機/鏡頭細節]拍攝，突出了[關鍵紋理和細節]。圖像應為[寬高比]格式

A photorealistic [shot type] of [subject], [action or expression], set in [environment]. The scene is illuminated by [lighting description], creating a [mood] atmosphere. Captured with a [camera/lens details], emphasizing [key textures and details]. The image should be in a [aspect ratio] format.

示例提示詞:

一張照片級的特寫肖像，主角是一位年邁的日本陶藝家，他臉上佈滿被陽光雕刻出的深深皺紋，帶著溫暖而會意的微笑。他正在仔細端詳一個剛上釉的茶碗。背景是他那間充滿陽光的鄉村風格工作室。柔和的金色黃昏光線從窗戶射入，照亮了黏土的細膩紋理。使用 85mm 人像鏡頭拍攝，背景柔和模糊（焦外成像）。整體氛圍寧靜而充滿大師風範。豎向構圖

A photorealistic close-up portrait of an elderly Japanese ceramicist with deep, sun-etched wrinkles and a warm, knowing smile. He is carefully inspecting a freshly glazed tea bowl. The setting is his rustic, sun-drenched workshop. The scene is illuminated by soft, golden hour light streaming through a window, highlighting the fine texture of the clay. Captured with an 85mm portrait lens, resulting in a soft, blurred background (bokeh). The overall mood is serene and masterful. Vertical portrait orientation.

程式碼呼叫：

from google import genai
from google.genai import types
from PIL import Image
from io import BytesIO

client = genai.Client()

# Generate an image from a text prompt
response = client.models.generate_content(
    model="gemini-2.5-flash-image-preview",
    contents="A photorealistic close-up portrait of an elderly Japanese ceramicist with deep, sun-etched wrinkles and a warm, knowing smile. He is carefully inspecting a freshly glazed tea bowl. The setting is his rustic, sun-drenched workshop with pottery wheels and shelves of clay pots in the background. The scene is illuminated by soft, golden hour light streaming through a window, highlighting the fine texture of the clay and the fabric of his apron. Captured with an 85mm portrait lens, resulting in a soft, blurred background (bokeh). The overall mood is serene and masterful.",
)

image_parts = [
    part.inline_data.data
    for part in response.candidates[0].content.parts
    if part.inline_data
]

if image_parts:
    image = Image.open(BytesIO(image_parts[0]))
    image.save('photorealistic_example.png')
    image.show()

2. 風格化插圖與貼紙

要為項目建立貼紙、圖示或設計素材，請明確說明所需的風格，並記得在需要時要求使用白色背景

範本 :

一張[風格]風格的貼紙，主體是[主體]，具有[關鍵特徵]和[調色盤]。設計應採用[線條風格]和[陰影風格]。背景必須為白色

A [style] sticker of a [subject], featuring [key characteristics] and a [color palette]. The design should have [line style] and [shading style]. The background must be white.

示例提示詞 :

一張卡哇伊風格的貼紙，畫的是一隻快樂的小貓熊，戴著一頂小小的竹帽，正在咀嚼一片綠色的竹葉。設計採用粗大、清晰的輪廓線，賽璐璐風格的簡單著色，以及鮮豔的調色盤。背景必須為白色

A kawaii-style sticker of a happy red panda wearing a tiny bamboo hat. It's munching on a green bamboo leaf. The design features bold, clean outlines, simple cel-shading, and a vibrant color palette. The background must be white

程式碼呼叫：

from google import genai
from google.genai import types
from PIL import Image
from io import BytesIO

client = genai.Client()

# Generate an image from a text prompt
response = client.models.generate_content(
    model="gemini-2.5-flash-image-preview",
    contents="A kawaii-style sticker of a happy red panda wearing a tiny bamboo hat. It's munching on a green bamboo leaf. The design features bold, clean outlines, simple cel-shading, and a vibrant color palette. The background must be white.",
)

image_parts = [
    part.inline_data.data
    for part in response.candidates[0].content.parts
    if part.inline_data
]

if image_parts:
    image = Image.open(BytesIO(image_parts[0]))
    image.save('red_panda_sticker.png')
    image.show()

3. 在圖像中精準渲染文字

Gemini 非常擅長渲染文字。在提示詞中清晰地寫出文字內容、描述字型風格以及整體設計。

範本 :

為[品牌/概念]建立一個[圖像類型]，包含文字“[要渲染的文字]”，字型為[字型風格]。整體設計應為[風格描述]，配色方案為[配色方案]

Create a [image type] for [brand/concept] with the text "[text to render]" in a [font style]. The design should be [style description], with a [color scheme].

示例提示詞 :

為一家名為“The Daily Grind”的咖啡店設計一個現代、極簡的標誌。文字應採用乾淨、粗體的無襯線字型。設計中包含一個與文字無縫融合的、簡約風格化的咖啡豆圖示。配色方案為黑白。

Create a modern, minimalist logo for a coffee shop called 'The Daily Grind'. The text should be in a clean, bold, sans-serif font. The design should feature a simple, stylized icon of a coffee bean seamlessly integrated with the text. The color scheme is black and white

程式碼呼叫：

from google import genai
from google.genai import types
from PIL import Image
from io import BytesIO

client = genai.Client()

# Generate an image from a text prompt
response = client.models.generate_content(
    model="gemini-2.5-flash-image-preview",
    contents="Create a modern, minimalist logo for a coffee shop called 'The Daily Grind'. The text should be in a clean, bold, sans-serif font. The design should feature a simple, stylized icon of a a coffee bean seamlessly integrated with the text. The color scheme is black and white.",
)

image_parts = [
    part.inline_data.data
    for part in response.candidates[0].content.parts
    if part.inline_data
]

if image_parts:
    image = Image.open(BytesIO(image_parts[0]))
    image.save('logo_example.png')
    image.show()

4. 產品模型圖與商業攝影

為電子商務、廣告或品牌建立乾淨、專業的產品照片

範本 :

一張高解析度、影棚光拍攝的產品照片，主體是[產品描述]，放置在[背景表面/描述]上。燈光採用[布光設定，如三點式柔光箱]，以實現[燈光目的]。相機角度為[角度類型]，以展示[特定功能]。效果超逼真，焦點清晰地對準[關鍵細節]。[寬高比]

A high-resolution, studio-lit product photograph of a [product description] on a [background surface/description]. The lighting is a [lighting setup, e.g., three-point softbox setup] to [lighting purpose]. The camera angle is a [angle type] to showcase [specific feature]. Ultra-realistic, with sharp focus on [key detail]. [Aspect ratio].

示例提示詞 :

一張高解析度、影棚光拍攝的產品照片，主體是一個極簡主義風格的啞光黑陶瓷咖啡杯，放在一個拋光的混凝土地面上。燈光採用三點式柔光箱設定，旨在創造柔和、漫射的高光並消除刺眼的陰影。相機採用略微俯視的45度角拍攝，以展示其簡潔的線條。效果超逼真，焦點清晰地對準從咖啡中升起的熱氣。方形圖像

A high-resolution, studio-lit product photograph of a minimalist ceramic coffee mug in matte black, presented on a polished concrete surface. The lighting is a three-point softbox setup designed to create soft, diffused highlights and eliminate harsh shadows. The camera angle is a slightly elevated 45-degree shot to showcase its clean lines. Ultra-realistic, with sharp focus on the steam rising from the coffee. Square image.

程式碼呼叫：

from google import genai
from google.genai import types
from PIL import Image
from io import BytesIO

client = genai.Client()

# Generate an image from a text prompt
response = client.models.generate_content(
    model="gemini-2.5-flash-image-preview",
    contents="A high-resolution, studio-lit product photograph of a minimalist ceramic coffee mug in matte black, presented on a polished concrete surface. The lighting is a three-point softbox setup designed to create soft, diffused highlights and eliminate harsh shadows. The camera angle is a slightly elevated 45-degree shot to showcase its clean lines. Ultra-realistic, with sharp focus on the steam rising from the coffee. Square image.",
)

image_parts = [
    part.inline_data.data
    for part in response.candidates[0].content.parts
    if part.inline_data
]

if image_parts:
    image = Image.open(BytesIO(image_parts[0]))
    image.save('product_mockup.png')
    image.show()

5. 極簡主義與留白設計

這種風格非常適合為網站、ppt或需要疊加文字的行銷材料建立背景

範本:
一幅極簡主義構圖，畫面中只有一個[主體]，位於畫面的[右下角/左上角等位置]。背景是一塊巨大的、空白的[顏色]畫布，創造出大量的留白空間。光線柔和而微妙。[寬高比]。

A minimalist composition featuring a single [subject] positioned in the [bottom-right/top-left/etc.] of the frame. The background is a vast, empty [color] canvas, creating significant negative space. Soft, subtle lighting. [Aspect ratio].

示例提示詞 :

一幅極簡主義構圖，畫面中只有一片精緻的紅色楓葉，位於畫面的右下角。背景是一塊巨大的、空白的米白色畫布，為文字留下充足的留白空間。柔和的漫射光從左上方照來。方形圖像。

A minimalist composition featuring a single, delicate red maple leaf positioned in the bottom-right of the frame. The background is a vast, empty off-white canvas, creating significant negative space for text. Soft, diffused lighting from the top left. Square image

from google import genai
from google.genai import types
from PIL import Image
from io import BytesIO

client = genai.Client()

# Generate an image from a text prompt
response = client.models.generate_content(
    model="gemini-2.5-flash-image-preview",
    contents="A minimalist composition featuring a single, delicate red maple leaf positioned in the bottom-right of the frame. The background is a vast, empty off-white canvas, creating significant negative space for text. Soft, diffused lighting from the top left. Square image.",
)

image_parts = [
    part.inline_data.data
    for part in response.candidates[0].content.parts
    if part.inline_data
]

if image_parts:
    image = Image.open(BytesIO(image_parts[0]))
    image.save('minimalist_design.png')
    image.show()

6. 連續藝術 (漫畫/故事板)

通過清晰的場景描述，逐幀建立引人入勝的視覺敘事，非常適合製作故事板、連環畫或任何形式的連續藝術

範本 :

一個[藝術風格]的單格漫畫。前景是[角色描述和動作]。背景是[場景細節]。畫格中有一個[對話/標題框]，文字是“[文字]”。光線營造出[氛圍]的氛圍。[寬高比]。

A single comic book panel in a [art style] style. In the foreground, [character description and action]. In the background, [setting details]. The panel has a [dialogue/caption box] with the text "[Text]". The lighting creates a [mood] mood. [Aspect ratio].

示例提示詞:

一個單格漫畫，採用粗糲的黑色電影藝術風格，配以高對比度的黑白墨水畫。前景中，一名身穿風衣的偵探站在一盞閃爍的路燈下，雨水浸濕了他的肩膀。背景中，一家荒涼酒吧的霓虹燈招牌倒映在水坑裡。頂部的標題框寫著：“這座城市，秘密無處藏身。” 光線刺眼，營造出一種戲劇化而陰鬱的氛圍。橫向構圖。

A single comic book panel in a gritty, noir art style with high-contrast black and white inks. In the foreground, a detective in a trench coat stands under a flickering streetlamp, rain soaking his shoulders. In the background, the neon sign of a desolate bar reflects in a puddle. A caption box at the top reads "The city was a tough place to keep secrets." The lighting is harsh, creating a dramatic, somber mood. Landscape.

from google import genai
from google.genai import types
from PIL import Image
from io import BytesIO

client = genai.Client()

# Generate an image from a text prompt
response = client.models.generate_content(
    model="gemini-2.5-flash-image-preview",
    contents="A single comic book panel in a gritty, noir art style with high-contrast black and white inks. In the foreground, a detective in a trench coat stands under a flickering streetlamp, rain soaking his shoulders. In the background, the neon sign of a desolate bar reflects in a puddle. A caption box at the top reads \"The city was a tough place to keep secrets.\" The lighting is harsh, creating a dramatic, somber mood. Landscape.",
)

image_parts = [
    part.inline_data.data
    for part in response.candidates[0].content.parts
    if part.inline_data
]

if image_parts:
    image = Image.open(BytesIO(image_parts[0]))
    image.save('comic_panel.png')
    image.show()

參考：

https://x.com/googleaistudio/status/1962957615262224511 (AI寒武紀)