curl --location --request POST 'https://api.cometapi.com/v1beta/models/gemini-2.5-flash-image-preview:generateContent' \
--header 'Authorization: {{api-key}}' \
--header 'Content-Type: application/json' \
--data-raw '{"contents": [{"role": "user", "parts": [{"text": "主体内容:一个完整的阿克苏冰糖心苹果和一个被切开的苹果,露出内部晶莹的糖心,表面带有水珠,果柄自然摆放;场景设定:简洁的白色背景,苹果放置于光滑平面上,周围有淡色水波纹倒影;风格参考:现代简约广告风格,清新食品摄影;色调色彩:以白色为背景主色调,搭配苹果的红色果皮、黄色糖心,黑色文字和红色艺术字;构图视角:正面稍斜角度,切开的苹果露出糖心部分朝向观众,主体突出;细节补充:糖心需呈现半透明结晶状,果皮光滑有光泽,水珠自然分布;文字信息:上方英文“Aksu Rock Sugar Heart Apple”,中文“阿克苏‘冰糖心苹果’”,下方红色艺术字“甜入心扉”,右侧标注“金秋献礼 09.01→10.31 产自新疆阿克苏 16.8°糖心”,底部品牌标识“@鲜果之家”及“雪域甘甜”字样;布局样式:文字与水果主体上下呼应,信息层级清晰,整体简洁大气,突出糖心特色。同时你需要回答我生成图片的比例是多少,我是否有定义图片比例"}]}], "generationConfig": {"responseModalities": ["TEXT", "IMAGE"], "imageConfig": {"aspectRatio": "9:16"}}}'
{ "candidates": [ { "content": { "role": "model", "parts": [ { "text": "![image](data:image/png;base64,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