Pet*_*ell 5 asp.net reactjs asp.net-core
我有一个从入门模板 ( )生成的股票aspnetcore和reactjs应用程序dotnet new react。我希望从根 url 的子路径提供 SPA 应用程序;例如,https://localhost:5001/counter我正在寻找的不是示例应用程序而是从https://localhost:5001/myapp/counter.
我改变了Startup.cs从:
app.UseSpa(spa =>
{
spa.Options.SourcePath = "ClientApp";
if (env.IsDevelopment())
{
spa.UseReactDevelopmentServer(npmScript: "start");
}
});
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对此:
app.Map(new Microsoft.AspNetCore.Http.PathString("/myapp"), appMember =>
{
appMember.UseSpa(spa =>
{
spa.Options.SourcePath = "ClientApp";
if (env.IsDevelopment())
{
spa.UseReactDevelopmentServer(npmScript: "start");
}
});
});
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这样的作品。如果我浏览https://localhost:5001/myapp/它似乎加载 index.html,但静态文件正试图从根路径而不是子路径加载。
需要更改什么才能使 react 应用程序使用子路径作为根?我希望它在交互式 VS 开发环境和部署时都能工作,可能在 IIS 上。似乎很接近,但我错过了一些东西。
该解决方案的示例演示可在此处获得:https : //github.com/petertirrell/mvc-spa-demo/tree/master/mvc-spa-demo
谢谢!
首先将应用程序移动到子路径,将其添加到 package.json 的顶部:
"homepage": "/myapp/",
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当npm start在 ClientApp 文件夹中运行时,应用程序现在正在服务http://localhost:3000/myapp
Startup.cs然后像这样改变:
首先删除
app.UseSpaStaticFiles()
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然后加
const string spaPath = "/myapp";
if (env.IsDevelopment())
{
app.MapWhen(ctx => ctx.Request.Path.StartsWithSegments(spaPath)
|| ctx.Request.Path.StartsWithSegments("/sockjs-node"),
client =>
{
client.UseSpa(spa =>
{
spa.Options.SourcePath = "ClientApp";
spa.UseReactDevelopmentServer(npmScript: "start");
});
});
}
else
{
app.Map(new PathString(spaPath), client =>
{
// `https://github.com/dotnet/aspnetcore/issues/3147`
client.UseSpaStaticFiles(new StaticFileOptions()
{
OnPrepareResponse = ctx =>
{
if (ctx.Context.Request.Path.StartsWithSegments($"{spaPath}/static"))
{
// Cache all static resources for 1 year (versioned file names)
var headers = ctx.Context.Response.GetTypedHeaders();
headers.CacheControl = new CacheControlHeaderValue
{
Public = true,
MaxAge = TimeSpan.FromDays(365)
};
}
else
{
// Do not cache explicit `/index.html` or any other files. See also: `DefaultPageStaticFileOptions` below for implicit "/index.html"
var headers = ctx.Context.Response.GetTypedHeaders();
headers.CacheControl = new CacheControlHeaderValue
{
Public = true,
MaxAge = TimeSpan.FromDays(0)
};
}
}
});
client.UseSpa(spa =>
{
spa.Options.SourcePath = "ClientApp";
spa.Options.DefaultPageStaticFileOptions = new StaticFileOptions()
{
OnPrepareResponse = ctx => {
// Do not cache implicit `/index.html`. See also: `UseSpaStaticFiles` above
var headers = ctx.Context.Response.GetTypedHeaders();
headers.CacheControl = new CacheControlHeaderValue
{
Public = true,
MaxAge = TimeSpan.FromDays(0)
};
}
};
});
});
}
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在例如 Azure 上首次测试更改之前,请不要忘记清除浏览器历史记录。
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