日期时间

/**
* 日期时间
*/
$.fn.topbarTime = function(opt){
    this.each(function(){
        var $me = $(this);
        var show = function(){
            var date = new Date(),
            year = date.getFullYear(),
            month = date.getMonth()+1,
            day  = date.getDate(),
            hours = date.getHours(),
            minutes = date.getMinutes(),
            seconds = date.getSeconds(),
            xq = '日一二三四五六'.charAt(date.getDay())
            hour ='';
            if(hours >=0 && hours <= 6){
                hour ='凌晨'
            }else if(hours > 6 && hours <= 12){
                hour ='上午'
            }else if(hours >= 12 && hours < 14){
                hour ='中午'
            }else if(hours >= 14 && hours < 19){
                hour ='下午'
            }else if(hours >= 19 && hours < 23){
                hour ='晚上'
            }
            $me.html('今天是&nbsp;&nbsp;<span class="red">'+year+'年'+month+'月'+day+'号&nbsp;&nbsp;星期'+xq+'</span>&nbsp;&nbsp;'+hour+'&nbsp;&nbsp;'+hours+':'+minutes+':'+seconds);
        }
        setInterval(show,1000);
    });
}