2

src/Jiaowu.Api/Program.cs

@@ -182,6 +182,25 @@ if (app.Environment.IsDevelopment())
     app.UseSwaggerUI();
 }
 
+app.UseDefaultFiles();
+app.UseStaticFiles(new StaticFileOptions
+{
+    OnPrepareResponse = context =>
+    {
+        if (context.Context.Request.Path.StartsWithSegments("/assets"))
+        {
+            context.Context.Response.Headers.CacheControl =
+                "public,max-age=31536000,immutable";
+        }
+        else if (string.Equals(
+                     Path.GetExtension(context.File.Name),
+                     ".html",
+                     StringComparison.OrdinalIgnoreCase))
+        {
+            context.Context.Response.Headers.CacheControl = "no-cache,no-store";
+        }
+    }
+});
 app.UseCors("Web");
 app.UseAuthentication();
 app.UseAuthorization();
@@ -194,6 +213,29 @@ app.MapGet("/health", () => Results.Ok(new
     Environment = app.Environment.EnvironmentName,
     Time = DateTimeOffset.UtcNow
 })).AllowAnonymous();
+app.MapFallback(async context =>
+{
+    if (context.Request.Path.StartsWithSegments("/api") ||
+        context.Request.Path.StartsWithSegments("/health") ||
+        context.Request.Path.StartsWithSegments("/swagger"))
+    {
+        context.Response.StatusCode = StatusCodes.Status404NotFound;
+        return;
+    }
+
+    var webRoot = app.Environment.WebRootPath
+        ?? Path.Combine(app.Environment.ContentRootPath, "wwwroot");
+    var indexPath = Path.Combine(webRoot, "index.html");
+    if (!File.Exists(indexPath))
+    {
+        context.Response.StatusCode = StatusCodes.Status404NotFound;
+        return;
+    }
+
+    context.Response.Headers.CacheControl = "no-cache,no-store";
+    context.Response.ContentType = "text/html; charset=utf-8";
+    await context.Response.SendFileAsync(indexPath);
+});
 
 using (var scope = app.Services.CreateScope())
 {