bootstrap的datetimepicker控件只选择年月的配置

$('.form_date').datetimepicker({
  format:'yyyymm',
  language : 'zh-CN',
  weekStart : 1,
  todayBtn : true,
  autoclose : 1,
  startView : 'year',
  maxView:'decade',
  minView :'year',
  forceParse : false,
  pickerPosition: "bottom-left"
 });