[Update] 关闭窗口时确认

src/app/pages/app.component.ts

@@ -5,8 +5,9 @@
  * @date     2017-11-07
  * @author   liuzheng <liuzheng712@gmail.com>
  */
-import {Component} from '@angular/core';
+import {Component, HostListener} from '@angular/core';
 import {DataStore} from '../globals';
+import { environment } from '../../environments/environment';
 
 @Component({
   selector: 'app-root',
@@ -16,4 +17,14 @@ import {DataStore} from '../globals';
 
 export class AppComponent {
   DataStore = DataStore;
+
+  constructor() {}
+
+  @HostListener('window:beforeunload', ['$event'])
+  unloadNotification($event: any) {
+    if (environment.production) {
+      $event.returnValue = true;
+    }
+  }
 }
+