大香蕉请求体

### 谷歌大香蕉失败

```json
[
  {
    "candidates": [
      {
        "finishReason": "IMAGE_SAFETY",
        "index": 0
      }
    ],
    "usageMetadata": {
      "promptTokenCount": 1300,
      "totalTokenCount": 1300,
      "promptTokensDetails": [
        {
          "modality": "TEXT",
          "tokenCount": 10
        },
        {
          "modality": "IMAGE",
          "tokenCount": 1290
        }
      ]
    },
    "modelVersion": "gemini-2.5-flash-image-preview",
    "responseId": "iP_NaP2JF7PV1MkPm4imgQI"
  }
]
```

**finishReason:** IMAGE_SAFETY，其中的IMAGE_SAFETY，上传的图片或 prompt 被模型认为可能涉及违规（裸露、暴力、敏感场景等），有时候并不是内容真的违规，而是触发了 误判。

**finishReason:** STOP，其中的STOP，代表模型正常完成输出（没有因为安全、长度等原因中断）。

### 请求成功-返回图片

```json
[
  {
    "candidates": [
      {
        "content": {
          "parts": [
            {
              "inlineData": {
                "mimeType": "image/png",
                "data": "iVBORw0KGgoAAAANSUhEUgAAA2A"
              }
            }
          ],
          "role": "model"
        },
        "finishReason": "STOP",
        "index": 0
      }
    ],
    "usageMetadata": {
      "promptTokenCount": 1296,
      "candidatesTokenCount": 1290,
      "totalTokenCount": 2586,
      "promptTokensDetails": [
        {
          "modality": "TEXT",
          "tokenCount": 6
        },
        {
          "modality": "IMAGE",
          "tokenCount": 1290
        }
      ],
      "candidatesTokensDetails": [
        {
          "modality": "IMAGE",
          "tokenCount": 1290
        }
      ]
    },
    "modelVersion": "gemini-2.5-flash-image-preview",
    "responseId": "GI_OaLTwJKaVjMcPofyS-Ag"
  }
]
```

### 请求成功-返回文本

```json
[
  {
    "candidates": [
      {
        "content": {
          "parts": [
            {
              "text": "好的，这是我为你修改后的图片，头发变成了渐变的绿色，希望你会喜欢！\n"
            }
          ],
          "role": "model"
        },
        "finishReason": "STOP",
        "index": 0
      }
    ],
    "usageMetadata": {
      "promptTokenCount": 1302,
      "candidatesTokenCount": 20,
      "totalTokenCount": 1322,
      "promptTokensDetails": [
        {
          "modality": "TEXT",
          "tokenCount": 12
        },
        {
          "modality": "IMAGE",
          "tokenCount": 1290
        }
      ]
    },
    "modelVersion": "gemini-2.5-flash-image-preview",
    "responseId": "2JHOaLi9NsSg1MkPl8fhkAQ"
  }
]
```

最后修改：2025 年 09 月 20 日