防止用户使用 jquery 或 javascript 重新加载页面
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Prevent User to reload page using jquery or javascript
提问by Georgian Citizen
Possible Duplicate:
Prevent any form of page refresh using jQuery/Javascript
how can i prevent user to reload (refresh) html page using javascript or jquery.
如何防止用户使用 javascript 或 jquery 重新加载（刷新）html 页面。
after loading the page for the first time, i want to prevent user reload the page either by press F5 or refresh from browser or by any way.
第一次加载页面后，我想阻止用户通过按 F5 或从浏览器刷新或以任何方式重新加载页面。
Can i do that?
Can i do that?
Note:i try window.onbeforeunload, but i didn't know how to stop window.onload event from it.
注意：我尝试过window.onbeforeunload，但我不知道如何从中停止 window.onload 事件。
Any help?
有什么帮助吗？
回答by gopi1410
It is not possibleto stop the user from page reload/page close if the user wants it. Two methods which you can use are as follows:
如果用户需要，则无法阻止用户重新加载/关闭页面。您可以使用的两种方法如下：
You can ask for a confirmation like this:
您可以要求这样的确认：
<script>
window.onbeforeunload = function (e) {
e = e || window.event;
// For IE and Firefox prior to version 4
if (e) {
e.returnValue = 'Sure?';
}
// For Safari
return 'Sure?';
};
</script>
Here is the fiddle for above: http://jsfiddle.net/gopi1410/NujmL/
这是上面的小提琴：http: //jsfiddle.net/gopi1410/NujmL/
You can preventDefault on pressing of F5 key using:
您可以使用以下方法在按下 F5 键时防止默认：
document.onkeydown = function(event) {
if(window.event){
event.preventDefault();
}
}
回答by Quentin
No, you can't. If a user wants to reload a page you cannot stop them.
不，你不能。如果用户想要重新加载页面，您无法阻止他们。
