二维码解析

[
    {
        "name": "file_url",
        "type": "string",
        "required": false,
        "description": "二维码图片的URL地址（GET方式或POST JSON方式），需URL编码，与file、image_base64三选一",
        "example": ""
    },
    {
        "name": "file",
        "type": "file",
        "required": false,
        "description": "上传的本地图片文件（POST multipart/form-data方式），支持png/jpg/gif/bmp/webp，最大5MB",
        "example": ""
    },
    {
        "name": "image_base64",
        "type": "string",
        "required": false,
        "description": "Base64编码的图片数据（POST JSON方式），支持data:image/png;base64,xxx格式或纯Base64字符串",
        "example": ""
    }
]

## 成功响应（识别到内容）
{
  "code": 200,
  "data": {
    "contents": [
      "https://www.example.com",
      "Hello World"
    ],
    "count": 2,
    "raw_response": {
      "code": 0,
      "message": "ok",
      "data": {
        "contents": [
          "https://www.example.com",
          "Hello World"
        ]
      }
    }
  },
  "message": "识别成功"
}

## 成功响应（未识别到内容）
{
  "code": 200,
  "data": {
    "contents": [],
    "count": 0,
    "raw_response": {
      "code": 0,
      "message": "ok",
      "data": {
        "contents": []
      }
    }
  },
  "message": "未识别到二维码内容"
}

## 错误响应示例
{
  "code": 400,
  "data": null,
  "message": "参数错误: file_url不能为空"
}
{
  "code": 400,
  "data": null,
  "message": "不支持的文件类型: application/pdf，仅支持图片格式"
}
{
  "code": 502,
  "data": null,
  "message": "识别失败: HTTP Error: 404"
}