bootstrap-datepicker控件中文 ，只显示年和只显示月份

<link href="css/bootstrap-datepicker.min.css" rel="stylesheet" />

<input size="16" type="text" value="" readonly="readonly" class="form_datetime" />

<script src=‘js/bootstrap-datepicker.min.js‘></script>
<script src="js/locales/bootstrap-datepicker.zh-CN.js"></script>
$(".form_datetime").datepicker({
//显示年
        language: ‘zh-CN‘,
        startView: ‘decade‘,  
        endView: ‘decade‘,
        maxViewMode: ‘decade‘,  
        minViewMode: ‘decade‘,  
        format: ‘yyyy‘,  
         autoclose: true,
         todayHighlight: true

//显示月份
        /* language: ‘zh-CN‘,
        startView: ‘month‘,  
        endView: ‘month‘,
        maxViewMode: ‘year‘,  
        minViewMode: ‘year‘,  
        format: ‘mm‘,  
         autoclose: true,
         todayHighlight: true */
    });