项目初始化

src/app/core/startup/startup.service.ts

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+import { HttpClient } from '@angular/common/http';
+import { Inject, Injectable } from '@angular/core';
+import { ACLService } from '@delon/acl';
+import { MenuService, SettingsService, TitleService, _HttpClient } from '@delon/theme';
+import { NzSafeAny } from 'ng-zorro-antd/core/types';
+import { NzIconService } from 'ng-zorro-antd/icon';
+import { Observable, zip } from 'rxjs';
+import { catchError, map } from 'rxjs/operators';
+
+import { ICONS } from '../../../style-icons';
+import { ICONS_AUTO } from '../../../style-icons-auto';
+import { CoreService } from '../core.service';
+
+/**
+ * Used for application startup
+ * Generally used to get the basic data of the application, like: Menu Data, User Data, etc.
+ */
+@Injectable()
+export class StartupService {
+  constructor(
+    iconSrv: NzIconService,
+    private menuService: MenuService,
+    private settingService: SettingsService,
+    private aclService: ACLService,
+    private titleService: TitleService,
+    private httpClient: _HttpClient,
+    private coreSrv: CoreService
+  ) {
+    iconSrv.addIcon(...ICONS_AUTO, ...ICONS);
+  }
+
+  // TODO: 退出登录时需要清理用户信息
+
+  load(): Promise<void> {
+    return new Promise(resolve => {
+      let data;
+      if (this.coreSrv.loginStatus) {
+        // 本地菜单
+        // data = this.loadMockData();
+        // 远程菜单
+        data = this.loadRemoteData();
+      } else {
+        data = this.loadMockData();
+      }
+
+      data
+        .pipe(
+          catchError(res => {
+            console.warn(`StartupService.load: Network request failed`, res);
+            resolve();
+            return [];
+          })
+        )
+        .subscribe(
+          ([appData, userData, menuData]) => this.initSystem(appData, userData, menuData),
+          err => {
+            console.log(err);
+          },
+          () => resolve()
+        );
+    });
+  }
+
+  /**
+   * 系统初始化
+   *
+   * @param langData 翻译数据
+   * @param appData App应用数据
+   * @param userData 用户数据
+   * @param menuData 菜单数据
+   */
+  private initSystem(appData: NzSafeAny, userData: NzSafeAny, menuData: NzSafeAny): void {
+    // 应用信息：包括站点名、描述、年份
+    this.settingService.setApp(appData);
+    // 用户信息：包括姓名、头像、邮箱地址
+    this.settingService.setUser(userData);
+    // ACL：设置权限为全量
+    this.aclService.setFull(true);
+    // 初始化菜单
+    this.menuService.add(menuData);
+    // 设置页面标题的后缀
+    this.titleService.default = '';
+    this.titleService.suffix = appData.name;
+  }
+
+  /**
+   * @description 加载本地模拟数据
+   * @returns 程序初始化数据
+   */
+  loadMockData(): Observable<[object, object, object]> {
+    // 登录时调用远程数据， 非登录状态下调用Mock数据
+
+    // App数据
+    const appData = this.httpClient.get(`assets/mocks/app-data.json`).pipe(map((res: any) => res.app));
+
+    // 用户数据
+    const userData = this.coreSrv.loginStatus
+      ? this.httpClient.post(this.coreSrv.$api_get_current_user_info, {}).pipe(map((res: any) => res.data))
+      : this.httpClient.get('assets/mocks/user-data.json').pipe(map((res: any) => res.user));
+
+    // 菜单数据
+    const menuData = this.httpClient.get('assets/mocks/menu-data.json').pipe(map((res: any) => res.menu));
+
+    return zip(appData, userData, menuData);
+  }
+
+  /**
+   * @description 加载远程数据
+   * @returns 程序初始化数据
+   */
+  loadRemoteData(): Observable<[object, object, object]> {
+    // 登录时调用远程数据， 非登录状态下调用Mock数据
+
+    // App数据
+    const appData = this.httpClient.get(`assets/mocks/app-data.json`).pipe(map((res: any) => res.app));
+
+    // 用户数据
+    const userData = this.coreSrv.loginStatus
+      ? this.httpClient.post(this.coreSrv.$api_get_current_user_info, {}).pipe(map((res: any) => res.data))
+      : this.httpClient.get('assets/mocks/user-data.json').pipe(map((res: any) => res.user));
+
+    // 菜单数据
+    const menuData = this.httpClient
+      .post(this.coreSrv.$api_get_current_user_menus, {
+        appId: this.coreSrv.envSrv.getEnvironment().appId
+      })
+      .pipe(map((res: any) => res.data));
+
+    return zip(appData, userData, menuData);
+  }
+
+  // load(): Observable<void> {
+  //   const defaultLang = this.i18n.defaultLang;
+  //   return zip(this.i18n.loadLangData(defaultLang), this.httpClient.get('assets/tmp/app-data.json')).pipe(
+  //     // 接收其他拦截器后产生的异常消息
+  //     catchError(res => {
+  //       console.warn(`StartupService.load: Network request failed`, res);
+  //       return [];
+  //     }),
+  //     map(([langData, appData]: [Record<string, string>, NzSafeAny]) => {
+  //       // setting language data
+  //       this.i18n.use(defaultLang, langData);
+
+  //       // 应用信息：包括站点名、描述、年份
+  //       this.settingService.setApp(appData.app);
+  //       // 用户信息：包括姓名、头像、邮箱地址
+  //       this.settingService.setUser(appData.user);
+  //       // ACL：设置权限为全量
+  //       this.aclService.setFull(true);
+  //       // 初始化菜单
+  //       this.menuService.add(appData.menu);
+  //       // 设置页面标题的后缀
+  //       this.titleService.default = '';
+  //       this.titleService.suffix = appData.app.name;
+  //     })
+  //   );
+  // }
+}