生产环境开启跨域

Startup.cs

@@ -20,12 +20,14 @@ namespace MySystem
 {
     public class Startup
     {
-        public Startup(IConfiguration configuration)
+        public Startup(IConfiguration configuration, IWebHostEnvironment env)
         {
             Configuration = configuration;
+            _env = env;
         }
 
         public IConfiguration Configuration { get; }
+        private readonly IWebHostEnvironment _env;
 
         // This method gets called by the runtime. Use this method to add services to the container.s
         public void ConfigureServices(IServiceCollection services)
@@ -37,9 +39,10 @@ namespace MySystem
             });
             services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();
             services.Configure<Setting>(Configuration.GetSection("Setting"));
-            // 测试完成后必须注释掉
-            services.AddCors(option => option.AddPolicy("cors", policy => policy.AllowAnyHeader().AllowAnyMethod().AllowCredentials().SetIsOriginAllowed(_ => true)));//是否允许跨域
-            // 测试完成后必须注释掉
+            if(_env.IsProduction())
+            {
+                services.AddCors(option => option.AddPolicy("cors", policy => policy.AllowAnyHeader().AllowAnyMethod().AllowCredentials().SetIsOriginAllowed(_ => true)));//是否允许跨域
+            }
             services.Configure<KestrelServerOptions>(x => x.AllowSynchronousIO = true).Configure<IISServerOptions>(x => x.AllowSynchronousIO = true);
             services.AddMvc(options =>
             {