fix 聚合swagger

Src/Gateway/Startup.cs

@@ -0,0 +1,41 @@
+using Microsoft.OpenApi.Models;
+using Ocelot.DependencyInjection;
+using Ocelot.Middleware;
+
+namespace Gateway;
+
+public class Startup
+{
+    public Startup(IConfiguration configuration)
+    {
+        Configuration = configuration;
+    }
+
+    public IConfiguration Configuration { get; }
+
+    public void ConfigureServices(IServiceCollection services)
+    {
+        services.AddEndpointsApiExplorer();
+        services.AddSwaggerGen(c =>
+        {
+            c.SwaggerDoc("v1", new OpenApiInfo { Title = "Gateway API", Version = "v1", Description = "# gateway api..." });
+        });
+
+        services.AddOcelot();
+    }
+
+    public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
+    {
+        app.UseSwagger();
+        app.UseSwaggerUI(c =>
+        {
+            var services = Configuration.GetSection("Services").Get<List<string>>();
+            foreach (var s in services)
+            {
+                c.SwaggerEndpoint($"/{s.ToLower()}/swagger/v1/swagger.json", s);
+            }
+        });
+        app.UseOcelot().Wait();
+    }
+
+}