如果你正在使用ie9，那么你需要在你的控制器类定义前使用以下代码:

[OutputCache（NoStore = true， duration = 0， VaryByParam = “*”）]

公共类TestController:控制器

这将阻止浏览器缓存。

有关此连结的详情: http://dougwilsonsa.wordpress.com/2011/04/29/disabling-ie9-ajax-response-caching-asp-net-mvc-3-jquery/

实际上这解决了我的问题。

The real question is why you need this to not be cached. If it should not be cached because it changes all the time, the server should specify to not cache the resource. If it just changes sometimes (because one of the resources it depends on can change), and if the client code has a way of knowing about it, it can append a dummy parameter to the url that is computed from some hash or last modified date of those resources (that's what we do in Microsoft Ajax script resources so they can be cached forever but new versions can still be served as they appear). If the client can't know of changes, the correct way should be for the server to handle HEAD requests properly and tell the client whether to use the cached version or not. Seems to me like appending a random parameter or telling from the client to never cache is wrong because cacheability is a property of the server resource, and so should be decided server-side. Another question to ask oneself is should this resource really be served through GET or should it go through POST? That is a question of semantics, but it also has security implications (there are attacks that work only if the server allows for GET). POST will not get cached.

对于那些在移动Safari上使用$. ajaxsetup()缓存选项的人来说，似乎必须为post使用时间戳，因为移动Safari也会缓存这个选项。根据$.ajax()的文档(你可以从$.ajaxSetup()跳转到该文档):

将cache设置为false将只对HEAD和GET请求有效。它通过将“_={timestamp}”附加到GET参数来工作。对于其他类型的请求，该参数不需要，除非在IE8中，当对一个已经被GET请求的URL进行POST时。

因此，单独设置这个选项在我上面提到的情况下是没有帮助的。

将Math.random()追加到请求url

我使用new Date().getTime()，这将避免冲突，除非你有多个请求发生在同一毫秒内:

$.get('/getdata?_=' + new Date().getTime(), function(data) {
    console.log(data); 
});

编辑:这个答案是几年前的了。它仍然可以工作(因此我没有删除它)，但现在有更好/更干净的方法来实现这一点。我倾向于使用这种方法，但是如果您想在页面的生命周期内为每个请求禁用缓存，那么这个答案也很有用。

现在，通过在ajax请求中启用/禁用缓存选项很容易做到这一点，就像这样

$(function () {
    var url = 'your url goes here';
    $('#ajaxButton').click(function (e) {
        $.ajax({
            url: url,
            data: {
                test: 'value'
            },
                cache: true, //cache enabled, false to reverse
                complete: doSomething
            });
        });
    });
    //ToDo after ajax call finishes
    function doSomething(data) {
        console.log(data);
    }
});