js监测用户没有操作自动退出

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js检测鼠标点击,如果超过一定时间,则自动退出.

<html>

<head>

<title>鼠标移动监测</title>

try{var old = event.x}

catch(e){}

function test()

{

if (old==event.x)

{

document.all.ospan.innerText = "鼠标没有动静了？"

}

if (old>event.x)

{

document.all.ospan.innerText = "鼠标向左移了"

}

if (old<event.x)

{

document.all.ospan.innerText = "鼠标向右移了"

}

old = event.x

}

</script>

</head>

</body>

</html>

<body onload="hiddenButton()">
<button name="btn" time="10">10秒</button>
<button name="btn" time="16">16秒</button>
<button name="btn" time="9">9秒</button>
<button name="btn" time="3">3秒</button>
<button name="btn" time="5">5秒</button>
<button name="btn" time="38">38秒</button>
<button name="btn" time="12">12秒</button>
<button name="btn" time="23">23秒</button>
<button name="btn" time="8">8秒</button>
<button name="btn" time="4">4秒</button>

<div id="text"></div>
</body>
<script>

var btn = document.getElementsByName("btn");
var time = 0;//页面停留时间数
var count = 0;//已隐藏按钮数
function hiddenButton(){
	for(var i =0;i<btn.length;i++){
		if(btn[i].time<=time && btn[i].style.display !="none"){
			btn[i].style.display = "none";
			count++;
		}
	}
	time++;
	document.getElementById("text").innerHTML = "本页面已打开"+time+"秒，已隐藏"+count+"个按钮";
	setTimeout("hiddenButton()",1000);
	
}

</script>


--------------------js监听用户操作----------------------
<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />

<title>无标题文档</title>

 

<SCRIPT language="JavaScript">

 

var timerIdle=0;   //空闲时间

var timerBusy=0;   //倒计时开始

var timerIdle1=2;  //系统参数定义超时时间

var timerBusy1=30; //退出时间

 

function timerTimeout()

{

    timerIdle++;

if (timerIdle>timerIdle1)

{

   if (timerBusy==0)

{

  timerBusy=timerBusy1+1;

  //view timerUI

  document.getElementById("timerUI").style.display="inline";   

}

timerBusy--;

//view timerBusy

document.getElementById("_timerBusy").innerHTML=timerBusy;

if (timerBusy<=0)

{

   timerExit();

return;

}

}

else

{

   timerBusy=0;

}

window.setTimeout("timerTimeout()",1000);

}

 

function timerUser()

{

//让div消失

timerIdle=0;


document.getElementById("timerUI").style.display="none";

}

 

function timerExit()

{

//超时处理.这里可以写自己需要执行的方法...

   document.getElementById("_timerBusy").innerHTML="Timeout";

}

 

window.setTimeout("timerTimeout()",1000);

 

 

function mouseMove(ev)

{

 

 ev= ev || window.event;

 

 timerUser();

 

  var mousePos = mouseCoords(ev);

}

 

function mouseCoords(ev)

{

 if(ev.pageX || ev.pageY){

   return {x:ev.pageX, y:ev.pageY};

 }

 return {

     x:ev.clientX + document.body.scrollLeft - document.body.clientLeft,

     y:ev.clientY + document.body.scrollTop     - document.body.clientTop

 };

}

document.onmousemove = mouseMove;

document.onkeydown = mouseMove;

</SCRIPT>

</head>

 

<body>

 

<DIV ID="timerUI" style="position:absolute; left:30px; top:30px; font-size:20px;">

<table width="300" border="0" cellspacing="0" cellpadding="0">  

  <tr>

   <td nowrap align="right"><img src="images/loading/6.gif"></td>

    <td nowrap align="right" ID="_timerBusy" style=" font-size:36px; font-weight:bold; color:#FF0000;"></td>

    <td nowrap align="left">&nbsp;秒后将退出系统</td>

  </tr>

  <tr>

   <td nowrap align="right"></td>

    <td nowrap align="right"></td>

    <td nowrap align="left">&nbsp;如继续操作点任意键即可</td>

  </tr>

 

  <tr>

   <td nowrap align="right"></td>

    <td nowrap align="right"></td>

    <td nowrap align="left">&nbsp;(系统检测到您长时间未进行任何操作,为保护您的信息安全将自动退出)</td>

  </tr>

 

</table>

</DIV>

</body>

</html>

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