js中的时间对象（Date）

来源：互联网发布：java 查找算法编辑：程序博客网时间：2024/06/07 19:13

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>无标题页</title>
    <script language="javascript" type="text/javascript">

      var time=null;
      function datetime()
      {
         var date=new Date();
         //活得年月日
         var str=date.getFullYear()+"年"+(date.getMonth()+1)+"月"+date.getDate()+"日";
         //活得时分秒
         str=str+bb(date.getHours())+"时"+bb(date.getMinutes())+"分"+bb(date.getSeconds())+"秒";
         var txttime=document.getElementById("txtdatetime");
         txttime.innerText=str+""+week(date.getDay());
         time=window.setTimeout("datetime()",1000);

       }


       function bb(dtime)
       {
         if(dtime<10)
         {
            return "0"+dtime;
         }
         else
         {
           return dtime;
         }
       }

       function week(day)
       {
         switch(day)
         {
            case 0:
              return "星期天";
            break;

            case 1:
              return "星期一";
            break;

            case 2:
              return "星期二";
            break;

            case 3:
              return "星期三";
            break;

            case 4:
              return "星期四";
            break;

            case 5:
              return "星期五";
            break;
            case 6:
              return "星期六";
            break;



         }
       }
    </script>
</head>
<body onload="datetime()">
    <form id="form1" runat="server">
    <div>
        <input id="txtdatetime" type="text" />
    </div>
    </form>
</body>
</html>