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<script type="text/javascript">
//获取时间
function getTime(){
//获取年月日时分秒
var myDate = new Date();
var y = myDate.getFullYear(); //获取完整的年份(4位,1970-????)
var m = check(myDate.getMonth()+1); //获取当前月份(0-11,0代表1月)
var d = check(myDate.getDate()); //获取当前日(1-31)
var day = myDate.getDay(); //获取当前星期X(0-6,0代表星期天)
var w = "星期" + "日一二三四五六".charAt(day);
var h = check(myDate.getHours()); //获取当前小时数(0-23)
var i = check(myDate.getMinutes()); //获取当前分钟数(0-59)
var s = check(myDate.getSeconds()); //获取当前秒数(0-59)
var ms = check(myDate.getMilliseconds()); //获取当前毫秒数(0-999)
document.getElementById("date").innerHTML=y+"年"+m+"月"+d+"日"+" "+w;
document.getElementById("time").innerHTML=h+":"+i+":"+s+":"+ms;
setTimeout(getTime,1); //1毫秒执行一次
}
//补0函数
function check(key){
if(key<10)
key="0"+key;
return key;
}
getTime();
</script>
效果图: