Hubert的部落格

<script type="text/javascript">

    $(document).ready(CheckDay());

    function CheckDay() {

        var start = $('#<%=txbStartDate.ClientID%>').val();

        var end = $('#<%=txbDutDate.ClientID%>').val();

        var _s = new Date(Date.parse($('#<%=txbStartDate.ClientID%>').val()));

        var _e = new Date(Date.parse($('#<%=txbDutDate.ClientID%>').val()));

        var now = new Date();

        var today = new Date(Date.parse(now.getFullYear() + "/" + (now.getMonth()+1) + "/" + now.getDate()));

        var total = (_e - _s) / (1000 * 60 * 60 * 24);

        var has = (_e - today) / (1000 * 60 * 60 * 24);

        //因為我只要顯示天數，所以我把小數點都捨去

         var showmsg = '使用天數:' + Math.floor(total) + ' 剩餘天數:' + Math.floor(has);

        $('#<%=lblDays.ClientID%>').html(showmsg);

    }

</script>