我已經創建了一個簡單的Timer服務。在定時服務中,我每分鐘都在監視用戶。爲什麼clearInterval沒有清除setInterval定時器
頁面加載時,已經設置了3分鐘以獲得註銷警報,並且在1分鐘之前這意味着2分鐘獲得引導警告,同時單擊繼續按鈕,它將清除當前間隔並再次分配3分鐘,否則,在3分鐘後獲得註銷警告以註銷。
第一次它的工作正常,同時點擊繼續按鈕,它不會重新分配用戶的值。對於第3分鐘本身,它顯示註銷。
代碼中哪裏出錯。
<!DOCTYPE html>
<html>
<head>
<link data-require="[email protected]" data-semver="4.0.0-alpha.4" rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.4/css/bootstrap.min.css" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.4/jquery.js" ></script>
<script data-require="[email protected]" data-semver="3.3.6" src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="style.css" />
<script src="script.js"></script>
</head>
<body onload="TimerService()">
<p id="demo"></p>
<h1 id="title">Javascript timer problem</h1>
<div id="modeldialog"></div>
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" data-backdrop="static">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
<label class="session-expiration">
<span>Session Expiration</span>
<img src="~/Images/Warning_Alert_Icon_26.png" />
</label>
</div>
<div class="modal-body">
<div class="session-message">
<p class="time-message">your Session will expire in <i id="timer" class="fa fa-clock-o">
<span class="expire">Minutes </span>
</i>
.click proceed to stay Login.</p>
<p class="time-message">
<b>Click Proceed to stay Login.</b>
</p>
</div>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" onclick="LogOut()">Logout</button>
<button type="button" class="btn btn-primary" onclick="proceed()">Proceed</button>
</div>
</div>
</div>
</div>
</body>
</html>
的javascript:
function proceed()
{
$("#myModal").toggle();
TimerService();
}
function load(){
alert(" if click proceed , timer service extended another 3 minutes else logout after 3 ");
$("#myModal").modal();
}
function TimerService()
{
alert("TimerService");
var timer = false;
clearInterval(timer);
if (timer == false) {
var lastDigestRun = new Date();
lastDigestRun = Date.now();
var s = lastDigestRun + 3 * 60 * 1000;
// for reference
document.getElementById("demo").innerHTML = new Date(s);
console.info("Your logout time +" + new Date(s));
timer=setInterval(function() {
var now = Date.now();
var displaytime = now - lastDigestRun > 2 * 60 * 1000;
if (now - lastDigestRun > 2 * 60 * 1000) {
load();
}
if (now - lastDigestRun > 3 * 60 * 1000) {
alert("logout");
}
}, 60 * 1000);
}
}
Plunker演示:
https://plnkr.co/edit/qwNJF648LIvUUNT3IMkc?p=preview
您清除之前創建'的setInterval()'' –
僅clearInterval'清除'setInterval'定時器不'setTimeout'的。 – Bergi
@Jyothi Babu Araja然後我必須清除,因爲第一次,需要運行計時器加載,點擊後,再次需要重新分配計時器 –