def now():
    """
    @api {post} /map/weather/now实况天气
    @apiVersion 1.0.0
    @apiGroup Weather
    @apiDescription 实况天气

    @apiParam (Headers) {String} token 令牌
    @apiParam (Headers) {String} device_token 设备令牌
    @apiParam (Headers) {String} content_type 内容类型
    @apiParam (Headers) {String} timestamp 时间戳
    @apiParam (Headers) {String} location 经纬度

    @apiSuccess (Success) {Object} basic 基础信息
    @apiSuccess (Success) {String} basic.location 地区／城市名称
    @apiSuccess (Success) {String} basic.cid 地区／城市ID
    @apiSuccess (Success) {String} basic.lat 地区／城市纬度
    @apiSuccess (Success) {String} basic.lon 地区／城市经度
    @apiSuccess (Success) {String} basic.parent_city 该地区／城市的上级城市
    @apiSuccess (Success) {String} basic.admin_area 该地区／城市所属行政区域
    @apiSuccess (Success) {String} basic.cnty 该地区／城市所属国家名称
    @apiSuccess (Success) {String} basic.tz 该地区／城市所在时区
    @apiSuccess (Success) {Object} update 接口更新时间
    @apiSuccess (Success) {String} update.loc 当地时间，24小时制，格式yyyy-MM-dd HH:mm
    @apiSuccess (Success) {String} update.utc UTC时间，24小时制，格式yyyy-MM-dd HH:mm
    @apiSuccess (Success) {String} status 接口状态
    @apiSuccess (Success) {Object} now 实况天气
    @apiSuccess (Success) {String} now.fl 体感温度，默认单位：摄氏度
    @apiSuccess (Success) {String} now.tmp 温度，默认单位：摄氏度
    @apiSuccess (Success) {String} now.cond_code 实况天气状况代码
    @apiSuccess (Success) {String} now.cond_txt 实况天气状况描述
    @apiSuccess (Success) {String} now.wind_deg 风向360角度
    @apiSuccess (Success) {String} now.wind_dir 风向
    @apiSuccess (Success) {String} now.wind_sc 风力
    @apiSuccess (Success) {String} now.wind_spd 风速，公里/小时
    @apiSuccess (Success) {String} now.hum 相对湿度
    @apiSuccess (Success) {String} now.pcpn 降水量
    @apiSuccess (Success) {String} now.pres 大气压强
    @apiSuccess (Success) {String} now.vis 能见度，默认单位：公里
    @apiSuccess (Success) {String} now.cloud 云量

    @apiSuccessExample {json} Success-Response:
    {
        "data": [
            {
                "basic": {
                    "cid": "CN101020500",
                    "location": "嘉定",
                    "parent_city": "上海",
                    "admin_area": "上海",
                    "cnty": "中国",
                    "lat": "31.38352394",
                    "lon": "121.25033569",
                    "tz": "+8.00"
                },
                "update": {
                    "loc": "2018-07-17 13:48",
                    "utc": "2018-07-17 05:48"
                },
                "status": "ok",
                "now": {
                    "cloud": "75",
                    "cond_code": "101",
                    "cond_txt": "多云",
                    "fl": "34",
                    "hum": "53",
                    "pcpn": "0.0",
                    "pres": "1008",
                    "tmp": "33",
                    "vis": "35",
                    "wind_deg": "105",
                    "wind_dir": "东南风",
                    "wind_sc": "3",
                    "wind_spd": "15"
                }
            }
        ]
    }
    """
