添加菜单页路由

src/app/pages/system-management/department-management/department-management.component.html

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+<p>
+  department-management works!
+</p>

src/app/pages/system-management/department-management/department-management.component.spec.ts

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+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { DepartmentManagementComponent } from './department-management.component';
+
+describe('DepartmentManagementComponent', () => {
+  let component: DepartmentManagementComponent;
+  let fixture: ComponentFixture<DepartmentManagementComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ DepartmentManagementComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(DepartmentManagementComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/pages/system-management/department-management/department-management.component.ts

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+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-department-management',
+  templateUrl: './department-management.component.html',
+  styleUrls: ['./department-management.component.scss']
+})
+export class DepartmentManagementComponent implements OnInit {
+
+  constructor() { }
+
+  ngOnInit() {
+  }
+
+}