修改路径

src/app/view/page-not-found/page-not-found.component.html

@@ -0,0 +1,6 @@
+<div class="error404">
+    <div class="wenzi">
+        <div class="wenzi-1">亲，您已经飘到外太空了哦！</div>
+        <div class="wenzi_2">想回地球请点击：<a href="/">小海博客</a></div>
+    </div>
+</div>

src/app/view/page-not-found/page-not-found.component.less

@@ -0,0 +1,52 @@
+div{
+  margin: 0;
+  padding: 0;
+  border: 0;
+  outline: 0;
+  vertical-align: baseline;
+  background: transparent;
+  font-family: 'Microsoft Yahei', '\65B0\5B8B\4F53', '\5B8B\4F53', Verdana
+}
+
+.error404 {
+  width: 100%;
+  max-width: 1100px;
+  height: 460px;
+  background: url(../../../assets/img/404.jpg) 50px;
+  background-size: 100% 100%;
+  margin: 3px auto 0
+}
+
+a {
+  color: #00c0ff !important;
+}
+
+.wenzi {
+  padding-top: 326px;
+  text-align: center;
+  font-family: "微软雅黑";
+  font-size: 26px;
+  color: #686e6e
+}
+
+.wenzi {
+  height: 56px;
+  line-height: 56px;
+  color: #888888;
+  display: block;
+  border-bottom: 1px solid #d0cfcf
+}
+
+.wenzi_2 span {
+  color: #319898;
+  font-size: 30px;
+  font-weight: bold;
+  font-style: italic
+}
+
+@media only screen and (max-width:768px) {
+  .error404 {
+    width: 100%;
+    background: url(../../../assets/img/404-m.jpg) -10px;
+  }
+}

src/app/view/page-not-found/page-not-found.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { PageNotFoundComponent } from './page-not-found.component';
+
+describe('PageNotFoundComponent', () => {
+  let component: PageNotFoundComponent;
+  let fixture: ComponentFixture<PageNotFoundComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ PageNotFoundComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(PageNotFoundComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/view/page-not-found/page-not-found.component.ts

@@ -0,0 +1,18 @@
+import {Component, OnInit} from '@angular/core';
+import {Title} from '@angular/platform-browser';
+
+@Component({
+    selector: 'view-page-not-found',
+    templateUrl: './page-not-found.component.html',
+    styleUrls: ['./page-not-found.component.less']
+})
+export class PageNotFoundComponent implements OnInit {
+
+    constructor(private title: Title) {
+    }
+
+    ngOnInit(): void {
+        this.title.setTitle('小海博客 | 404 page not found');
+    }
+
+}

src/app/view/page-not-found/page-not-found.module.ts

@@ -0,0 +1,18 @@
+import {NgModule} from '@angular/core';
+import {CommonModule} from '@angular/common';
+import {PageNotFoundComponent} from './page-not-found.component';
+import {Route, RouterModule} from '@angular/router';
+
+const routes: Route[] = [
+    {path: '**', component: PageNotFoundComponent}
+];
+
+@NgModule({
+    declarations: [PageNotFoundComponent],
+    imports: [
+        CommonModule,
+        RouterModule.forChild(routes)
+    ]
+})
+export class PageNotFoundModule {
+}