leftTicket(余票信息查询)

参数列表：
leftTicketDTO.train_date：//出发日期
leftTicketDTO.from_station：//出发地代码
leftTicketDTO.to_station：//目的地代码
purpose_codes：//乘客类型

返回信息：
    "validateMessagesShowId":"_validatorMessage",
    "status":true,
    "httpstatus":200,
    "data":[
        {
            "queryLeftNewDTO":{
                "train_no":"XXXXXXXXXXX",//列车编号
                "station_train_code":"XXXX",//列车代码
                "start_station_telecode":"XXXX",//始发地编号
                "start_station_name":"XX",//始发地名称
                "end_station_telecode":"XXX",//终点地编号
                "end_station_name":"XX",//终点地名称
                "from_station_telecode":"XXX",//出发地编号
                "from_station_name":"XXX",//出发地名称
                "to_station_telecode":"XXX",//目的地编号
                "to_station_name":"XX",//目的地名称
                "start_time":"XX",//出站时刻
                "arrive_time":"XX",//到站时刻
                "day_difference":"X",
                "train_class_name":"",
                "lishi":"XXXX",//历时
                "canWebBuy":"X",//是否可以预定
                "lishiValue":"873",//历时（分钟）
                "yp_info":"XXX...XXX",//余票信息字符
                "control_train_day":"20301231",
                "start_train_date":"XXXXXXXX",//出发日期
                "seat_feature":"XXXXXXXX",//座位特点
                "yp_ex":"XXXXXXXX",
                "train_seat_feature":"X",
                "seat_types":"XXXX",//座位类型
                "location_code":"XX",
                "from_station_no":"XX",
                "to_station_no":"XX",
                "control_day":XX,
                "sale_time":"XXXX",//出票时间点
                "is_support_card":"0",
                "controlled_train_flag":"0",
                "controlled_train_message":"正常车次，不受控",
                "train_type_code":"X",
                "start_province_code":"XX",
                "start_city_code":"XXXX",
                "end_province_code":"XX",
                "end_city_code":"XXXX",
                "yz_num":"有",//硬座
                "rz_num":"--",//软座
                "yw_num":"无",//硬卧
                "rw_num":"11",//软卧
                "gr_num":"--",//高级软卧
                "zy_num":"--",//一等座
                "ze_num":"--",//二等座
                "tz_num":"--",//特等座
                "gg_num":"--",
                "yb_num":"--",
                "wz_num":"无",//无座
                "qt_num":"--",//其他
                "swz_num":"--"//商务座
            },
            "secretStr":"mbLbkByCxsXQlo%2By8iHBkCARDFoMlquz9kW7wwD4Lh6d50L75ycsox6Y3pImcx1AjNGVIY7V4Zgq%0AIUKiHUxQtRNN0CJ6PKDu31Dc39NaCDTx7Hk%2BmdIYTSh%2BtGm20xbcANO2Ld0E2NuVoUEeOaFozJS%2B%0Aq1ACd3RHCFYVPWNdnRYV78Ef6tuC8z4XaqVuHDbDK5JzWzVUTz05fqIrthI1c59SmqZ%2Fbn5KI8Hf%0AsCDkMTdPEaA2XuoXSLiZFp%2FOf2QeO38f4SzT%2BkPiPpuCm3J1Z%2F5LDi50B23KpKGL7zrs0p%2Bvo3iW%0AjwDwsL5M4B4%3D",
            //余票令牌
            "buttonTextInfo":"预订"
        }
    ],
    "messages":[

    ],
    "validateMessages":{

    }
}