bootstrap的datetimepicker控件只选择年月的配置

<script src="{% static "jquery/jquery-1.11.3.min.js" %}"></script>
<script language="javascript" type="text/javascript" src="{% static 'bootstrap-datetimepicker/js/bootstrap-datetimepicker.js'  %}"></script>
<script language="javascript" type="text/javascript" src="{% static 'bootstrap-datetimepicker/js/locales/bootstrap-datetimepicker.zh-CN.js'  %}"></script>
<link rel="stylesheet" type="text/css" href="{% static "bootstrap-datetimepicker/css/bootstrap-datetimepicker.css" %}"/>

<input class="form-control form_datetime" type="text" value="" size="16">
<script language="JavaScript">
    $('.form_datetime').datetimepicker({
        format: 'yyyy-mm',
        autoclose: true,
        todayBtn: true,
        startView: 'year',
        minView:'year',
        maxView:'decade',
        language:  'zh-CN',
    });
    </script>