Javascript或angularjs在刷新之间延迟浏览器关闭或选项卡关闭
如果用户刷新页面或关闭浏览器/浏览器选项卡,是否有方法触发?(我想在AngularJS/JavaScript中触发它)。有什么想法吗 现在,我只知道当前页面何时以以下代码关闭:Javascript或angularjs在刷新之间延迟浏览器关闭或选项卡关闭,javascript,angularjs,browser,event-handling,dom-events,Javascript,Angularjs,Browser,Event Handling,Dom Events,如果用户刷新页面或关闭浏览器/浏览器选项卡,是否有方法触发?(我想在AngularJS/JavaScript中触发它)。有什么想法吗 现在,我只知道当前页面何时以以下代码关闭: var myEvent = window.attachEvent || window.addEventListener; var chkevent = window.attachEvent ? 'onbeforeunload' : 'beforeunload'; /// make IE7, IE8 compatab
var myEvent = window.attachEvent || window.addEventListener;
var chkevent = window.attachEvent ? 'onbeforeunload' : 'beforeunload'; /// make IE7, IE8 compatable
myEvent(chkevent, function (e) { // For >=IE7, Chrome, Firefox
var confirmationMessage = ' '; // a space
(e || window.event).returnValue = "Are you sure that you'd like to close the browser?";
return confirmationMessage;
});
您的指令可能如下所示:
myApp.directive('myDirective', function() {
return function($window) {
var myEvent = $window.attachEvent || $window.addEventListener,
chkevent = $window.attachEvent ? 'onbeforeunload' : 'beforeunload';
myEvent(chkevent, function(e) {
var confirmationMessage = ' ';
(e || $window.event).returnValue = "Are you sure that you'd like to close the browser?";
return confirmationMessage;
});
}
});
link
函数中的Bind事件,该函数将提供对角度编译指令元素的访问
指令
.directive('windowExit', function($window) {
return {
restrict: 'AE',
link: function(element, attrs){
var myEvent = $window.attachEvent || $window.addEventListener,
chkevent = $window.attachEvent ? 'onbeforeunload' : 'beforeunload'; /// make IE7, IE8 compatable
myEvent(chkevent, function (e) { // For >=IE7, Chrome, Firefox
var confirmationMessage = ' '; // a space
(e || $window.event).returnValue = "Are you sure that you'd like to close the browser?";
return confirmationMessage;
});
}
};
});
HTML
<body window-exit></body>
我最终采用了以下方法:
'use strict';
angular.module('myApp')
.controller('MyCtrl', ['$rootScope', '$scope', '$location', '$state', '$window', '$timeout', '$sce', 'UserAuthorize', function($rootScope, $scope, $location, $state, $window, $timeout, $sce, UserAuthorize) {
//Getting the value from storage
$window.sessionStorage.getItem('key');
//Setting the value to storage
$window.sessionStorage.setItem('key', 'value');
// Remove from storage
$window.sessionStorage.removeItem('key');
}]);
基于此,我在用户登录时保存了我的值。然后,当浏览器窗口关闭时,这些值将不会保留
通过使用本地存储,我能够仅为当前窗口持久化会话
编辑:
我认为通过使用cookie方法,我可以处理这个问题,但随后我开始区分刷新和关闭。结果是localStorage救了我一命:)写一条指令。。将此代码放入指令中..注入
$window
依赖性并使用它而不是window
@pankajparkar:谢谢!有没有机会给我举个小例子?可以帮我学得更快:)根据你的回答,我认为应该是:限制:“A”
,对吗?@el.severo添加了A
。。谢谢。它只适用于触发关闭。但我想在它关闭和刷新页面时有所不同。刷新的意思是..url哈希更改还是其他?在这个意义上,它将通过从浏览器中按刷新按钮或仅使用键盘快捷键进行刷新