js输入框邮箱自动提示功能代码实现(6)

!$('.auto-tip .p-index'+_cache.currentIndex,parentNode).hasClass(_config.hoverBg) &&
                    $('.auto-tip .p-index'+_cache.currentIndex,parentNode).addClass(_config.hoverBg).siblings().removeClass(_config.hoverBg);

var curAttr = $('.auto-tip' + ' .p-index'+_cache.currentIndex,parentNode).attr('data-html');
                    $(_config.targetCls,parentNode).val(curAttr);

                    // 给隐藏域赋值
                    $(_config.hiddenCls,parentNode).val(curAttr);
                }

}else if(keyCode == 40) { //下移操作
                if(_cache.currentIndex == plen - 1) {
                    _cache.currentIndex = 0;
                }else {
                    _cache.currentIndex++;
                    if(_cache.currentIndex > plen - 1) {
                        _cache.currentIndex = 0;
                    }
                }

if(_cache.currentIndex !== -1) {

                    !$('.auto-tip .p-index'+_cache.currentIndex,parentNode).hasClass(_config.hoverBg) &&
                    $('.auto-tip .p-index'+_cache.currentIndex,parentNode).addClass(_config.hoverBg).siblings().removeClass(_config.hoverBg);

                    var curAttr = $('.auto-tip' + ' .p-index'+_cache.currentIndex,parentNode).attr('data-html');
                    $(_config.targetCls,parentNode).val(curAttr);
                    // 给隐藏域赋值
                    $(_config.hiddenCls,parentNode).val(curAttr);
                }

            }else if(keyCode == 13) { //回车操作
                var curVal = $('.auto-tip' + ' .p-index'+_cache.oldIndex,parentNode).attr('data-html');
                $(_config.targetCls,parentNode).val(curVal);

                // 给隐藏域赋值
                $(_config.hiddenCls,parentNode).val(curVal);

if(_config.isSelectHide) {
                     !$(".auto-tip",parentNode).hasClass('hidden') && $(".auto-tip",parentNode).addClass('hidden');
                 }
                 _config.callback && $.isFunction(_config.callback) && _config.callback();

_cache.currentIndex = -1;
                _cache.oldIndex = -1;

            }
        }
     },
     _keyCode: function(code) {
         var arrs = ['17','18','38','40','37','39','33','34','35','46','36','13','45','44','145','19','20','9'];
         for(var i = 0, ilen = arrs.length; i < ilen; i++) {
             if(code == arrs[i]) {
                 return i;
             }
         }
         return -1;
     },
    /**
      * 当数据相同的时 点击对应的项时 返回数据
      */
     _executeClick: function(parentNode) {

         var _self = this,
             _config = _self.config;