新增允许跨域

lib/base/webserver/impl/ShelfWebServer.dart

@@ -29,7 +29,7 @@ class ShelfWebServer implements WebServer {
         final requestSpanId = request.context['request_span_id'] as String;
         final requestParentSpanId =
             request.context['request_parent_span_id'] as String?;
-        logger.info('| 请求路径: ${request.requestedUri}',
+        logger.info('| 请求路径: ${request.method} ${request.requestedUri}',
             tag: tag,
             traceId: requestId,
             spanId: requestSpanId,
@@ -205,17 +205,28 @@ class ShelfWebServer implements WebServer {
               } else {
                 args = [req];
               }
-              Response response = await im.invoke(v.simpleName, args).reflectee as Response;
+              Response response =
+                  await im.invoke(v.simpleName, args).reflectee as Response;
               //判断contenttype是否定义
-              var t = response.headers["content-type"];
+              // var t = response.headers["content-type"];
+              // print(t);
+              Map<String, String> headers = {...response.headers};
+              // if (t == null) {
+              //设置默认contenttype
+              // response = response.change(headers: {
+              // ...response.headers,
+              // "content-type": m.reflectee.responseType.type
+              // });
+              // } else {
+              headers['Access-Control-Allow-Origin'] = '*';
+              headers['Access-Control-Allow-Headers'] =
+                  'Content-Type,X-Span-ID,X-Trace-ID';
+              headers['Access-Control-Allow-Methods'] =
+                  'GET, POST, PUT, DELETE, OPTIONS';
+              headers["content-type"] = m.reflectee.responseType.type;
 
-              if (t == null) {
+              // }
-                //设置默认contenttype
+              response = response.change(headers: headers);
-                response = response.change(headers: {
-                  ...response.headers,
-                  "content-type": m.reflectee.responseType.type
-                });
-              }
 
               return response;
             });
@@ -234,7 +245,21 @@ class ShelfWebServer implements WebServer {
         print("回调函数类型错误 需要 WebSocketHandler ");
       }
     } else {
-      _router.add(method.name, path, handler);
+      if (method.name == "ALL") {
+        _router.all(path, handler);
+      } else {
+        _router.add(method.name, path, handler);
+      }
+
+      if (method.name != "OPTIONS") {
+        _router.options(path, (r) {
+          return Response.ok('', headers: {
+            'Access-Control-Allow-Origin': '*',
+            'Access-Control-Allow-Headers': 'Content-Type,X-Span-ID,X-Trace-ID',
+            'Access-Control-Allow-Methods': 'GET, POST, PUT, DELETE, OPTIONS',
+          });
+        });
+      }
     }
   }
 }