获取某日是否是工作日

    /***
     * 获取某日是否是工作日
     * 参考网页:https://www.nowapi.com/api/life.workday
     * http://api.k780.com/?app=life.workday&date=20200523&appkey=10003&sign=b59bc3ef6191eb9f747dd4e83c99f2a4&format=json
     */
    public static function dayInfo($date){
        $url = 'http://api.k780.com/?app=life.workday&date='.$date.'&appkey=10003&sign=b59bc3ef6191eb9f747dd4e83c99f2a4&format=json';
        $res = Http::doGet($url);
        if(!$res){
            $out_data = [
                'num'       =>      -1,
                'desc'      =>      '接口或参数错误'
            ];

            return $out_data;
        }

        $res = json_decode($res,true);
        if($res['success'] != 1){
            $out_data = [
                'num'       =>      -2,
                'desc'      =>      '获取失败',
                'data'      =>      $res['msg']
            ];
            
            return $out_data;
        }

        $out_data = [
            'num'       =>      1,
            'desc'      =>      '获取成功',
            'data'      =>      $res['result']
        ];
        
        return $out_data;
    }