init commit

src/app/components/toast/toast.service.ts

@@ -0,0 +1,24 @@
+import {Injectable} from '@angular/core';
+import {Observable,Subject} from 'rxjs';
+import {ToastConfig} from './toast-model';
+
+/**
+ * toast服务
+ */
+@Injectable()
+export class ToastService {
+
+  private toastSubject = new Subject<ToastConfig>();
+
+  constructor() {}
+
+  getToasts(): Observable<ToastConfig> {
+    return this.toastSubject;
+  }
+ 
+
+  toast(toastConfig: ToastConfig) {
+    this.toastSubject.next(toastConfig);
+  }
+
+}