부트스트랩을 사용하여 연도, 월, 일 시간을 선택하는 방법

<script>
$(&#39;.form_datetime&#39;).datetimepicker({
    language:  &#39;zh-CN&#39;,
    minView: 4,         format: &#39;yyyy&#39;,
    startDate:2019,
    autoclose: 1,
    startView: 4,
});
</script>

<script>
$(&#39;.form_datetime&#39;).datetimepicker({
    format: &#39;mm&#39;,
    autoclose:true,
    startView:3,
    minView:3,
    maxView:3,
    initialDate:new Date(),
    language:&#39;zh-CN&#39;
});
</script>

<script>
$(&#39;.form_datetime&#39;).datetimepicker({
     format: &#39;yyyymmdd&#39;,
     weekStart: 1,
     autoclose: true,
     startView: 2,
     minView: 2,
    language:&#39;zh-CN&#39;
});
</script>