code: function (inst) {
      inst.$select.removeClass('mdui-select-closing');
  
      if (inst.state === 'opening') {
        inst.state = 'opened';
        componentEvent('opened', 'select', inst, inst.$selectNative);
  
        inst.$menu.css('overflow-y', 'auto');
      }
  
      if (inst.state === 'closing') {
        inst.state = 'closed';
        componentEvent('closed', 'select', inst, inst.$selectNative);
  
        // 恢复样式
        inst.$select.width('');
        inst.$menu.css({
          'margin-top': '',
          height: '',
          width: '',
        });
      }
    }
docs: 动画结束回调
  @param inst