Update

lib/api/client.dart

@@ -0,0 +1,19 @@
+import 'package:dio/dio.dart';
+import 'package:retrofit/retrofit.dart';
+import 'api_result.dart';
+import 'user.dart';
+
+part 'client.g.dart';
+
+@RestApi(parser: Parser.FlutterCompute)
+abstract class EHApi {
+  factory EHApi(Dio dio, {String baseUrl}) = _EHApi;
+
+  @GET('/user')
+  Future<ApiResult<BUser>> getUser();
+  @GET('/user')
+  Future<ApiResult<BUser>> getUserById(@Query("id") int id);
+  @GET('/user')
+  Future<ApiResult<BUser>> getUserByUsername(
+      @Query("username") String username);
+}