axios({

    method: 'post',

    data: param,

    responseType:'blob',

    url: _urls + '/Downloaddata'

}).then(data=>{

    var  blob = new Blob([data.data],

        {type: "application/vnd.ms -excel"}

    );

    var url = window.URL.createObjectURL(blob);

    window.location.href = url;

})