如何在 ASP.NET core rc2 中禁用浏览器缓存?

问题描述

我尝试了这个中间件，但浏览器仍在保存文件.

I tried this Middleware but the browser still saving files.

我希望用户始终获得最新版本的 js 和 css 文件.

I want user will always get the last version of js and css files.

public void Configure(IApplicationBuilder app)
{
    app.UseSession();
    app.UseDefaultFiles();
    app.UseStaticFiles(new StaticFileOptions
    {
        OnPrepareResponse = context =>
            context.Context.Response.Headers.Add("Cache-Control", "no-cache")
    });
}

推荐答案

尝试添加 Expires 标头:

app.UseStaticFiles(new StaticFileOptions()
{
    OnPrepareResponse = context =>
    {
        context.Context.Response.Headers.Add("Cache-Control", "no-cache, no-store");
        context.Context.Response.Headers.Add("Expires", "-1");
    }
});

另一种方法是添加一个查询字符串，该查询字符串会更改到您在开发中的请求的末尾.在这种情况下不需要中间件.

Another approach would be to add a querystring that changes to the end of your requests in development. Middleware would not be required in this case.

<environment names="Development">
    <link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.css?@DateTime.Now.Ticks" />
    <link rel="stylesheet" href="~/css/site.css?@DateTime.Now.Ticks" />
</environment>

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