官方格式(图生图)

curl --location '/v1beta/models/gemini-3-pro-image-preview:generateContent' \
--header 'Accept: application/json' \
--header 'Authorization: {{Authorization}}' \
--header 'Content-Type: application/json' \
--data '{
    "contents": [
        {
            "parts": [
                {
                    "inline_data": {
                        "mime_type": "image/jpeg",
                        "data": "图片 base64"
                    }
                },
                {
                    "inline_data": {
                        "mime_type": "image/jpeg",
                        "data": "base64 图片"
                    }
                },
                {
                    "text": "把图片1换到图片2的xx"
                }
            ]
        }
    ],
    "generationConfig": {
        "responseModalities": [
            "IMAGE"
        ],
        "imageConfig": {
            "imageSize": "1K",
            "aspectRatio": "1:1"
        }
    }
}'