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timer.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style type="text/css">
<!--
#clock strong {
font-size: 150px;
text-align: center;
color:#013878;
}
-->
</style>
</head>
<body bgcolor="#FFFFFF" >
<table width="100%" height="100%" border="0" onmousedown="show('btn_tr')" style="cursor:pointer" >
<tr >
<td width="10%" height="150" align="left" valign="top"> </td>
<td width="80%"> </td>
<td width="10%" align="right" valign="top"> </td>
</tr>
<tr>
<td height="214"> </td>
<td align="center"><span id="clock"><strong>00:00:00</strong></span> </td>
<td> </td>
</tr>
<tr>
<td height="63"> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td colspan="3" ><table width="100%" border="0" height="122" >
<tr id="btn_tr" style="display:block" >
<td width="15%" height=""> </td>
<td width="70%" align="left" valign="bottom" >
时：
<input id="hinput" type="text" value="00" style="width:20px"/>
分
<input id="minput" type="text" value="00" style="width:20px"/>
秒
<input id="sinput" type="text" value="00" style="width:20px"/>
<br />
<input id="setB" type="button" value="设置" onclick="setTime()">
<input id="startB" type="button" value="开始" onclick="run()">
<input id="pauseB" type="button" value="暂停" onclick="pause()">
<input id="endB" type="button" value="停止" onclick="stop()">
<br />
<!--<input id="fullscreenB" type="button" value="FullScreen" onclick="fullscreen()">-->
<input id="hiddenB" type="button" value="隐藏控制面板" onclick="hid('btn_tr')">
<br>
<input id="clockHidden" type="hidden" value="00:00:00">
</td>
<td width="5%"> </td>
</tr>
</table></td>
</tr>
</table>
<!--
<input id="diff" type="text">
<input id="next" type="text">
-->
<script language="Javascript">
var normalelapse = 1000;
var nextelapse = normalelapse;
var counter;
var startTime;
//var start = clock.innerText;
var finish = "00:00:00";
var timer = null;
function fullscreen(){
var WshShell = new ActiveXObject('WScript.Shell')
WshShell.SendKeys('{F11}');
}
function pauseImage(){
pause();
image.innerHTML="<img src='start.png' onmousemove=\"this.src='startB.png'\" onmouseout=\"this.src='start.png'\" onclick='startImage();' style='cursor: pointer' title='Continue'/>";
}
function startImage(){
run();
image.innerHTML="<img onmousemove=\"this.src='pauseB.png'\" onmouseout=\"this.src='pause.png'\" src='pause.png' onclick='pauseImage();' style='cursor: pointer' title='pause'/>";
}
function show(id){
document.getElementById(id).style.display="block";
}
function hid(id){
document.getElementById(id).style.display="none";
}
function setTime(){
startB.disabled = false;
pauseB.disabled = true;
setB.disabled = false;
var s = sinput.value;
var m = minput.value;
var h = hinput.value;
if(isNaN(h) || isNaN(m) || isNaN(s)){
return;
}
var sn = new Number(s);
var mn = new Number(m);
var hn = new Number(h);
var ss = sn < 10 ? ("0" + sn) : s;
var sm = mn < 10 ? ("0" + mn) : m;
var sh = hn < 10 ? ("0" + hn) : h;
var init = sh + ":" + sm + ":" + ss;
clock.innerHTML = "<strong>"+init+"</strong>";
clockHidden.value = init;
window.clearTimeout(timer);
window.clearInterval(timer);
}
function reset(){
sinput.value = "00" ;
minput.value = "00" ;
hinput.value = "00" ;
}
// 开始运行
function run() {
startB.disabled = true;
pauseB.disabled = false;
setB.disabled = true;
endB.disabled = false;
counter = 0;
// 初始化开始时间
startTime = new Date().valueOf();
// nextelapse是定时时间, 初始时为100毫秒
// 注意setInterval函数: 时间逝去nextelapse(毫秒)后, onTimer才开始执行
timer = window.setInterval("onTimer()", nextelapse);
}
// 暂停
function pause() {
startB.disabled = false;
pauseB.disabled = true;
setB.disabled = false;
window.clearTimeout(timer);
}
//停止
function stop(){
startB.disabled = false;
pauseB.disabled = true;
setB.disabled = false;
endB.disabled = true;
sinput.value = "00" ;
minput.value = "00" ;
hinput.value = "00" ;
clock.innerHTML = "<strong>00:00:00</strong>"
clockHidden.value = "00:00:00";
window.clearTimeout(timer);
window.clearInterval(timer);
}
window.onload = function() {
pauseB.disabled = true;
}
// 倒计时函数
function onTimer()
{
if (clockHidden.value == finish)
{
window.clearInterval(timer);
clock.innerHTML = "<strong><font color=#013878>Time's up!</font></strong>"
startB.disabled = true;
pauseB.disabled = true;
setB.disabled = false;
endB.disabled = true;
return;
}
//var hms = new String(clock.innerText).split(":");
var hms = new String(clockHidden.value).split(":");
//var ms = new Number(hms[3]);
var s = new Number(hms[2]);
var m = new Number(hms[1]);
var h = new Number(hms[0]);
s -= 1;
if (s < 0)
{
s = 59;
m -= 1;
}
if (m < 0)
{
m = 59;
h -= 1;
}
var ss = s < 10 ? ("0" + s) : s;
var sm = m < 10 ? ("0" + m) : m;
var sh = h < 10 ? ("0" + h) : h;
//start = sh + ":" + sm + ":" + ss + ":" + ms;
var nowtime = sh + ":" + sm + ":" + ss;
clock.innerHTML = "<strong>"+nowtime+"</strong>";
//倒计时1分钟时时间变红色
if(s<=59 && m==0 && h==0){
//setTimeout("onTimer2()",200);//红色时间闪烁
clock.innerHTML = "<strong><font color=#bb0000>"+nowtime+"</font></strong>"
}
clockHidden.value = nowtime;
// 清除上一次的定时器
window.clearInterval(timer);
// 自校验系统时间得到时间差, 并由此得到下次所启动的新定时器的时间nextelapse
counter++;
var counterSecs = counter * 1000;
var elapseSecs = new Date().valueOf() - startTime;
var diffSecs = counterSecs - elapseSecs;
nextelapse = normalelapse + diffSecs;
//diff.value = counterSecs + "-" + elapseSecs + "=" + diffSecs;
//next.value = "nextelapse = " + nextelapse;
if (nextelapse < 0) nextelapse = 0;
// 启动新的定时器
timer = window.setInterval("onTimer()", nextelapse);
}
function onTimer2(){
var hms = new String(clockHidden.value);
clock.innerHTML = "<strong><font color=#8b0000>"+hms+"</font></strong>";
}
function fullscreen(){
var WsShell = new ActiveXObject('WScript.Shell')
WsShell.SendKeys('{F11}');
}
/*
function onTimer3(){
var hms = new String(clockHidden.value);
clock.innerHTML = "<strong><font color=#8b0000>"+hms+"</font></strong>";
}
*/
</script>
</body>
</html>