js动态时间（转）

html代码

<span  id="timeShow" show_cur_times()></span>

js代码

$(function(){//设置1秒调用一次show_cur_times函数setInterval("show_cur_times()",100);
});function show_cur_times(){
//获取当前日期var date_time = new Date();//定义星期var week;//switch判断switch (date_time.getDay()){case 1: week="星期一"; break;case 2: week="星期二"; break;case 3: week="星期三"; break;case 4: week="星期四"; break;case 5: week="星期五"; break;case 6: week="星期六"; break;default:week="星期天"; break;}//年var year = date_time.getFullYear();//判断小于10，前面补0if(year<10){year="0"+year;}//月var month = date_time.getMonth()+1;//判断小于10，前面补0if(month<10){month="0"+month;}//日var day = date_time.getDate();//判断小于10，前面补0if(day<10){day="0"+day;}//时var hours =date_time.getHours();//判断小于10，前面补0if(hours<10){hours="0"+hours;}//分var minutes =date_time.getMinutes();//判断小于10，前面补0if(minutes<10){minutes="0"+minutes;}//秒var seconds=date_time.getSeconds();//判断小于10，前面补0if(seconds<10){seconds="0"+seconds;}//拼接年月日时分秒var date_str = year+"-"+month+"-"+day+" "+hours+":"+minutes+":"+seconds+" "+week;//显示在id为showtimes的容器里document.getElementById("timeShow").innerHTML= date_str;
}