添加zorro,alain样例

src/app/routes/demo/services/demo.service.ts

@@ -0,0 +1,11 @@
+import { Injectable, Injector } from '@angular/core';
+import { BaseService } from 'src/app/shared/services';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class DemoService extends BaseService {
+  constructor(public injector: Injector) {
+    super(injector);
+  }
+}