RT。
我在JSP页面的顶部显示了年、月、日和 时间,可是我发现时间不变化,显示的是登录页面时的时间,我如果要让显示的时间不断的变化,就像钟那样,要如何实现呢?
大侠们能否提供几个实例代码做参考?谢谢!!
我在JSP页面的顶部显示了年、月、日和 时间,可是我发现时间不变化,显示的是登录页面时的时间,我如果要让显示的时间不断的变化,就像钟那样,要如何实现呢?
大侠们能否提供几个实例代码做参考?谢谢!!
解决方案 »
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//从服务器上获取初始时间
var currentDate = new Date(<%=new java.util.Date().getTime()%>);
function run()
{
currentDate.setSeconds(currentDate.getSeconds()+1);
document.getElementById("dt").innerHTML = currentDate.toLocaleString();}
window.setInterval("run();", 1000);
</SCRIPT>
<div id="dt">time</div>
第一步:把如下代码加入<body>区域中
<script language="JavaScript">
<!-- Hide
var timerID = null
var timerRunning = false
function MakeArray(size)
{
this.length = size;
for(var i = 1; i <= size; i++)
{
this[i] = "";
}
return this;
}
function stopclock (){
if(timerRunning)
clearTimeout(timerID);
timerRunning = false
}
function showtime () {
var now = new Date();
var year = now.getYear();
var month = now.getMonth() + 1;
var date = now.getDate();
var hours = now.getHours();
var minutes = now.getMinutes();
var seconds = now.getSeconds();
var day = now.getDay();
Day = new MakeArray(7);
Day[0]="星期天";
Day[1]="星期一";
Day[2]="星期二";
Day[3]="星期三";
Day[4]="星期四";
Day[5]="星期五";
Day[6]="星期六";
var timeValue = "";
timeValue += year + "年";
timeValue += ((month < 10) ? "0" : "") + month + "月";
timeValue += date + "日 ";
timeValue += (Day[day]) + " ";
timeValue += ((hours <= 12) ? hours : hours - 12);
timeValue += ((minutes < 10) ? ":0" : ":") + minutes;
timeValue += ((seconds < 10) ? ":0" : ":") + seconds;
timeValue += (hours < 12) ? "上午" : "下午";
document.jsfrm.face.value = timeValue;
timerID = setTimeout("showtime()",1000);
timerRunning = true
}
function startclock () {
stopclock();
showtime()
}
//--></script>
<form name='jsfrm'>
<input type=text name='face' size=34 value=''>
</form>第二步:把<body>中的内容改为:
<body bgcolor="#fef4d9" onLoad="startclock()">
例子如下:
<html>
<head>
<title></title>
<script language="javascript">
function get_time()
{
var date=new Date();
var year="",month="",day="",week="",hour="",minute="",second="";
year=date.getYear();
month=add_zero(date.getMonth()+1);
day=add_zero(date.getDate());
week=date.getDay();
switch (date.getDay()) {
case 0:val="星期天";break
case 1:val="星期一";break
case 2:val="星期二";break
case 3:val="星期三";break
case 4:val="星期四";break
case 5:val="星期五";break
case 6:val="星期六";break
}
hour=add_zero(date.getHours());
minute=add_zero(date.getMinutes());
second=add_zero(date.getSeconds());
timetable.innerText=" "+year+"."+month+"."+day+" "+hour+":"+minute+":"+second+val;
} function add_zero(temp)
{
if(temp<10) return "0"+temp;
else return temp;
}
setInterval("get_time()",1000);
</script>
</head>
<body>
<div id="timetable"></div>
</body>
</html>
------是干什么的?
我怎么使用这段代码? 我要显示时间部分的代码是这样的: <bean:write name="clock" property="year" />
年<bean:write name="clock" property="month" />
月<bean:write name="clock" property="dayOfMonth" />
日 星期<bean:write name="clock" property="day" />
当前时间:</NOBR>
想在 当前时间: 的后面显示,我要怎么做? 感激不尽!!!
<HTML>
<HEAD>
<meta http-equiv="refresh" content="200">
<TITLE> TIME REAL TIME DISPLAY </TITLE>
<script language=JavaScript>
var old;
function starttime(){
old=new Date("Tue Jul 28 14:22:36 UTC+0800 2006");
window.setInterval("showtime()",1000);
}
function showtime(){
var date=new Date();
var time=old.getTime()-date.getTime();
var oday=60*60*24*1000;
var ohour=60*60*1000;
var ominute=60*1000; var day=Math.floor(time/oday);
var hour=Math.floor((time%oday)/ohour);
var minute=Math.floor(((time%oday)%ohour)/ominute);
var second=Math.floor((((time%oday)%ohour)%ominute)/1000);
window.timeDiv.innerText="剩余时间为: "+day+"天"+hour+"小时"+minute+"分钟"+second+"秒";
}
</script>
</HEAD><BODY onload="starttime();">
<div id='overTimeDiv'>
<input type="hidden" name="overTime" value="2006-07-28 14:22:36">
订单期限为: 2006-07-28 14:22:36
</div><div id='timeDiv'>
</div>
</BODY>
</HTML>
我写的代码具体如下: <html:html>
<head>
<title></title> <META http-equiv="Content-Type" content="text/html; charset=utf-8"> //说是这里缺少对象。
</head><body onload="get_time()">
<script language="JavaScript">
function get_time()
{
var date = new Date();
var hour="";
var minute="";
var second="";
hour = add_zero(date.getHours());
minute =add_zero(date.getMinutes());
second =add_zero(date.getSeconds());
timetable.innerText=" "+hour+":"+minute+":"+second;
}
funtion add_zero(temp)
{
if(temp<10)
return "0"+temp;
else return temp;
}
setInterval("get_time()",1000);
</script> <jsp:useBean id="gue_db" class="com.aa.struts.data.Connect" scope="session"></jsp:useBean>
<h3>
<html:link page="/send.jsp">欢迎留言</html:link>
</h3>
<CENTER>
<TABLE border="" cellpadding="2" bordercolor="white" bgcolor="white"> <TR>
<td colspan=2> <h3>
<center>
留言列表
</center>
</h3>
</td>
</TR>
<TR bgcolor=>
<td colspan=2>
<center>
<h5>
<NOBR>
<bean:write name="clock" property="year" />
年
<bean:write name="clock" property="month" />
月 <bean:write name="clock" property="dayOfMonth" />
日 星期
<bean:write name="clock" property="day" />
当前时间:
<DIV id="timetable"></DIV> </NOBR>
</h5>
</CENTER>
</TD>
</tr>说 行 17 (即 <META http-equiv="Content-Type" content="text/html; charset=utf-8">)缺少对象,我实在不知道哪里的错误,大侠们帮忙看看是哪里的错误吧,感激不尽!!!
<!-- Hide
var timerID = null
var timerRunning = false
function MakeArray(size)
{
this.length = size;
for(var i = 1; i <= size; i++)
{
this[i] = "";
}
return this;
}
function stopclock (){
if(timerRunning)
clearTimeout(timerID);
timerRunning = false
}
function showtime () {
var now = new Date();
var year = now.getYear();
var month = now.getMonth() + 1;
var date = now.getDate();
var hours = now.getHours();
var minutes = now.getMinutes();
var seconds = now.getSeconds();
var day = now.getDay();
Day = new MakeArray(7);
Day[0]="星期天";
Day[1]="星期一";
Day[2]="星期二";
Day[3]="星期三";
Day[4]="星期四";
Day[5]="星期五";
Day[6]="星期六";
var timeValue = "";
timeValue += year + "年";
timeValue += ((month < 10) ? "0" : "") + month + "月";
timeValue += date + "日 ";
timeValue += (Day[day]) + " ";
timeValue += ((hours <= 12) ? hours : hours - 12);
timeValue += ((minutes < 10) ? ":0" : ":") + minutes;
timeValue += ((seconds < 10) ? ":0" : ":") + seconds;
timeValue += (hours < 12) ? "上午" : "下午";
document.jsfrm.face.value = timeValue;
timerID = setTimeout("showtime()",1000);
timerRunning = true
}
function startclock () {
stopclock();
showtime()
}
//--></script>
<form name='jsfrm'>
<input type=text name='face' size=34 value=''>
</form>
</b>
<BR><SCRIPT language=JavaScript>
function Year_Month(){
var now = new Date();
var yy = now.getYear();
var mm = now.getMonth()+1;
var cl = '<font color="#0000df">';
if (now.getDay() == 0) cl = '<font color="#c00000">';
if (now.getDay() == 6) cl = '<font color="#00c000">';
return(cl + yy + '年' + mm + '月</font>'); }
function Date_of_Today(){
var now = new Date();
var cl = '<font color="#ff0000">';
if (now.getDay() == 0) cl = '<font color="#c00000">';
if (now.getDay() == 6) cl = '<font color="#00c000">';
return(cl + now.getDate() + '</font>'); }
function Day_of_Today(){
var day = new Array();
day[0] = "星期日";
day[1] = "星期一";
day[2] = "星期二";
day[3] = "星期三";
day[4] = "星期四";
day[5] = "星期五";
day[6] = "星期六";
var now = new Date();
var cl = '<font color="#0000df">';
if (now.getDay() == 0) cl = '<font color="#c00000">';
if (now.getDay() == 6) cl = '<font color="#00c000">';
return(cl + day[now.getDay()] + '</font>'); }
function CurentTime(){
var now = new Date();
var hh = now.getHours();
var mm = now.getMinutes();
var ss = now.getTime() % 60000;
ss = (ss - (ss % 1000)) / 1000;
var clock = hh+':';
if (mm < 10) clock += '0';
clock += mm+':';
if (ss < 10) clock += '0';
clock += ss;
return(clock); }
function refreshCalendarClock(){
document.all.calendarClock1.innerHTML = Year_Month();
document.all.calendarClock2.innerHTML = Date_of_Today();
document.all.calendarClock3.innerHTML = Day_of_Today();
document.all.calendarClock4.innerHTML = CurentTime(); }
var webUrl = webUrl;
document.write('<table border="0" cellpadding="0" cellspacing="0"><tr><td>');
document.write('<table id="CalendarClockFreeCode" border="0" cellpadding="0" cellspacing="0" width="120" height="100" ');
document.write('style="position:absolute;visibility:hidden" bgcolor="#eeeeee">');
document.write('<tr><td align="center"><font ');
document.write('style="cursor:hand;color:#ff0000;font-family:宋体;font-size:18pt;line-height:120%" ');
if (webUrl != 'netflower'){
document.write('</td></tr><tr><td align="center"><font ');
document.write('style="cursor:hand;color:#2000ff;font-family:宋体;font-size:14pt;line-height:110%" ');
}
document.write('</td></tr></table>');
document.write('<table border="0" cellpadding="0" cellspacing="0" width="150" bgcolor="#C0C0C0" height="70">');
document.write('<tr><td valign="top" width="100%" height="100%">');
document.write('<table border="1" cellpadding="0" cellspacing="0" width="150" bgcolor="#FEFEEF" height="100">');
document.write('<tr><td align="center" width="100%" height="100%" >');
document.write('<font id="calendarClock1" style="font-family:宋体;font-size:10pt;line-height:120%"> </font><br>');
document.write('<font id="calendarClock2" style="color:#ff0000;font-family:Arial;font-size:16pt;line-height:120%"> </font><br>');
document.write('<font id="calendarClock3" style="font-family:宋体;font-size:11pt;line-height:120%"> </font><br>');
document.write('<font id="calendarClock4" style="color:#100080;font-family:宋体;font-size:10pt;line-height:120%"><b> </b></font>');
document.write('</td></tr></table>');
document.write('</td></tr></table>');
document.write('</td></tr></table>');
setInterval('refreshCalendarClock()',1000);
</SCRIPT>
<BR>
老是说我的页面有错误!。。我怎么才能让大侠们写的这些代码在我的JSP页面起作用啊~~~ 大侠们告诉我 我这么写错在哪里吧: <html:html>
<head>
<title></title><META http-equiv="Content-Type" content="text/html; charset=utf-8"> //说是这里缺少对象。
</head><body onload="get_time()">
<script language="JavaScript">
function get_time()
{
var date = new Date();
var hour="";
var minute="";
var second="";
hour = add_zero(date.getHours());
minute =add_zero(date.getMinutes());
second =add_zero(date.getSeconds());
timetable.innerText=" "+hour+":"+minute+":"+second;
}
funtion add_zero(temp)
{
if(temp<10)
return "0"+temp;
else return temp;
}
setInterval("get_time()",1000);
</script><jsp:useBean id="gue_db" class="com.aa.struts.data.Connect" scope="session"></jsp:useBean>
<h3>
<html:link page="/send.jsp">欢迎留言</html:link>
</h3>
<CENTER>
<TABLE border="" cellpadding="2" bordercolor="white" bgcolor="white"><TR>
<td colspan=2><h3>
<center>
留言列表
</center>
</h3>
</td>
</TR>
<TR bgcolor=>
<td colspan=2>
<center>
<h5>
<NOBR>
<bean:write name="clock" property="year" />
年
<bean:write name="clock" property="month" />
月<bean:write name="clock" property="dayOfMonth" />
日 星期
<bean:write name="clock" property="day" />
当前时间:
<DIV id="timetable"></DIV></NOBR>
</h5>
</CENTER>
</TD>
</tr>说 行 17 (即 <META http-equiv="Content-Type" content="text/html; charset=utf-8">)缺少对象
1. 直接使用客户端的机器时间显示在页面上。 用javascript实现。。并且每一秒更新一次。 楼上好多代码都是这样的。2. 用 java代码取得服务器时间,然后用javascript每秒更新一次,并且递增秒数。这个采用的比较多。3. ajax的思想, 每隔一定的时间更新一次页面时间,并且,每秒的递增也是javascript来实现的。所以, LZ应该多看看javascript的代码部分,我的感觉是lz对 javascript不太熟悉。所以,代码不知道如何写。另, LZ一定要区分好服务器端执行的脚本/客户端执行的脚本!