项目初始化

src/app/app.component.ts

@@ -0,0 +1,46 @@
+import { Component, ElementRef, OnInit, Renderer2 } from '@angular/core';
+import { NavigationEnd, NavigationError, RouteConfigLoadStart, Router } from '@angular/router';
+import { TitleService, VERSION as VERSION_ALAIN } from '@delon/theme';
+import { environment } from '@env/environment';
+import { NzModalService } from 'ng-zorro-antd/modal';
+import { VERSION as VERSION_ZORRO } from 'ng-zorro-antd/version';
+
+@Component({
+  selector: 'app-root',
+  template: ` <router-outlet></router-outlet> `
+})
+export class AppComponent implements OnInit {
+  constructor(
+    el: ElementRef,
+    renderer: Renderer2,
+    private router: Router,
+    private titleSrv: TitleService,
+    private modalSrv: NzModalService
+  ) {
+    renderer.setAttribute(el.nativeElement, 'ng-alain-version', VERSION_ALAIN.full);
+    renderer.setAttribute(el.nativeElement, 'ng-zorro-version', VERSION_ZORRO.full);
+  }
+
+  ngOnInit(): void {
+    let configLoad = false;
+    this.router.events.subscribe(ev => {
+      if (ev instanceof RouteConfigLoadStart) {
+        configLoad = true;
+      }
+      if (configLoad && ev instanceof NavigationError) {
+        this.modalSrv.confirm({
+          nzTitle: `提醒`,
+          nzContent: environment.production ? `应用可能已发布新版本，请点击刷新才能生效。` : `无法加载路由：${ev.url}`,
+          nzCancelDisabled: false,
+          nzOkText: '刷新',
+          nzCancelText: '忽略',
+          nzOnOk: () => location.reload()
+        });
+      }
+      if (ev instanceof NavigationEnd) {
+        this.titleSrv.setTitle();
+        this.modalSrv.closeAll();
+      }
+    });
+  }
+}