接口请求 - 对话系统接口API

**简要描述：**

- 人机对话接口，输入语音识别结果，输出机器人应答结果
- 首先调用认证接口，获取token。将认证登入得到的token,作为请求头中authorization的值。

**请求URL：** 
- `https://hmii.ecovacs-c.com/api/nlp/g3/unimind`
  
**请求方式：**
- POST 
**CURL**
```
curl -X POST --header 'Content-Type: application/json' --header 'Accept: application/json' --header 'authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VyIjp7ImZpcnN0TmFtZSI6Ik1hcmNvcyIsImxhc3ROYW1lIjoiQmVybmllciIsImlkX25hbWUiOiJzdXBlcmFkbWluLWVjb3ZhY3N2Y21wIiwicm9sZSI6IjVkNGQ0NDhmZTI4OGUyMWNlOTZhZTRkZiIsInJvbGVOYW1lIjoiU3VwZXIgQWRtaW4iLCJyb2xlUmFuayI6MCwiY3JlYXRlZEF0IjoiMjAxOS0wOC0wOVQxMDowMTo1Mi4xNzJaIiwiX2lkIjoiNWVlMDdhYWYyMTRiZGQ0MzI0OTRjYWM3Iiwic24iOiIqKioqIiwic2NlbmUiOiIqKioqIiwiYWNjZXNzX2NvbnRyb2xfcGVybWluIjo2MCwiYWNjZXNzX2NvbnRyb2xfcGVyZGF5IjoxMDAwMDB9LCJpYXQiOjE2MDI4Mjc0NDYsImV4cCI6MTYwMjkxMzg0Nn0.15Adpo9-eRtkfVD-hGNha30Txl11MvciX-0sW3kJSbY' -d '{
  "sentence": "你好",
  "uid": "string"
}' 'https://hmii.ecovacs-c.com/api/nlp/g3/unimind'
```
**请求示例** 
```
{
  "sentence": "你好",
  "uid": "string
}

curl -X POST --header 'Content-Type: application/json' --header 'Accept: application/json' --header 'authorization: Bearer eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJleHAiOjE2Mjg2NjMwNjgsInVpZCI6IjMzNDAiLCJzY2VuZSI6ImFhMjEwNDIyYTAiLCJhY2Nlc3NfY29udHJvbF9wZXJtaW4iOjMwMDAsImFjY2Vzc19jb250cm9sX3BlcmRheSI6MTAwMDAwLCJtZXNzYWdlX2lkIjpudWxsfQ.ucgcs27eegcx01fegFW3ondNO5pj6DBODtMlQm-gDv8' -d '{
  "sentence": "智慧找书",
"scene": "aa210422a0",
  "uid": "test"
}' 'http://10.91.28.32:5050/api/nlp/g3/unimind'
```
**请求参数说明**

- 参看数据说明中的请求数据\

**返回示例**
``` 
{
    "question": "你好",
    "type": "text",
    "user_id": "28e281ca-11a3-48d9-aee6-fb2178847005",
    "scene_id": "boc5th",
    "uid": "string",
    "questiontime": 1602828428.72065,
    "response": [
        {
            "sentence": "你好",
            "label": "你真聪明",
            "source": "qa",
            "knowledgebases": "默认知识库",
            "action": [],
            "options": [],
            "instruction": "你真聪明",
            "group": "默认知识库_nbsp_闲聊",
            "answer_state": "",
            "answer": [
                {
                    "text": "要得惊人艺，须下苦功夫",
                    "audio": "",
                    "voice": "要得惊人艺，须下苦功夫",
                    "language": "cn"
                }
            ],
            "intent": "qa",
            "available_inputs": [],
            "event": [],
            "command": [],
            "suggests": [
                "读书的好处",
                "今天回来迟了"
            ],
            "callback": {},
            "class": "business",
            "graphic": {
                "richtext_data": "",
                "template_buttons": [],
                "richtext_type": "",
                "timeout": 0,
                "misc": {},
                "template_texts": [],
                "template_icons": [],
                "template_name": "expression_page_layout",
                "template_type": "default",
                "template_links": [
                    {
                        "send": "",
                        "url": "null",
                        "type": "picture",
                        "text": "null"
                    }
                ]
            },
            "interrupt": "null",
            "entities": [],
            "instruction_id": "5cc7c17374b64361eddcf13f"
        }
    ],
    "mode": "默认状态",
    "code": 0,
    "answertime": 1602828429.16701,
    "cooperation": {
        "reason": {
            "trigger": "",
            "value": "",
            "level": "",
            "context": []
        },
        "play": true,
        "value": 0,
        "alert": false
    },
    "qtime": "2020-10-16 14:07:08.709",
    "atime": "2020-10-16 14:07:09.169"
}
```

错误接口示例
```
{"code": 1,
"error": "timeout",
"message": "nlp not (timely) response.", 
"qtime": "2021-08-23 16:05:25.041", 
"atime": "2021-08-23 16:05:28.610",
"transaction_id": "4b956587-5ad3-485a-b9a8-3a636a1a1a97"}
```
**返回参数说明** 
- 参看数据说明中的数据
其中code为0时为正常答案，其它为异常，原因参看message（异常时才有该值）