Angular报错:Type xxxComponent is part of the declarations of 2 modules: xxxxxx 技术标签: 开发问题报错截图以上 出现原因:当前两个模块有公用组件, 文件目录结构: machine-classify和tool-classify都引用了component下的creat-edit-model 当我点击tool-calss
// 组件类 export class MyFormComponent { myForm: FormGroup; constructor(private fb: FormBuilder) { this.myForm = this.fb.group({ name: [''], email: [''] }); } onSubmit() { console.log(this.myForm.value); } } 代码语言:txt 复制 <!-- 模板 --> <form [formGroup]="myForm"...
As shown in the last example, we also added another property: pinned. This makes sure, the shared dependency is put into the application's (e. g. the host's) bundle, even though it's not used there. This allows to preload dependencies that are needed later but subsequently loaded micro...
In addition to the Angular life cycle events, Ionic Angular provides a few additional events that you can use:Event NameDescription ionViewWillEnter Fired when the component routing to is about to animate into view. ionViewDidEnter Fired when the component routing to has finished animating. ion...
创建对象的两种方式 Angular核心概念---服务和依赖注入 创建服务对象的步骤: 使用Angular官方提供的服务对象---HttpClient Service 创建对象的两种方式 方式1:手工创建式—自己创建:let c2 =new Car() 方式2:依赖注入式—无需自己new,只需要声明依赖;服务提供者就会创建被依赖的对象,注入给服务需要者 ...
Component装饰器包含多个属性,这些属性的值叫做元数据,Angular会根据这些元数据的值来渲染组件并执行组件的逻辑 模板(Template) 我们可以通过组件自带的模板来定义组件的外观,模板以html的形式存在,告诉Angular如何来渲染组件,一般来说,模板看起来很像html,但是我们可以在模板中使用Angular的数据绑定语法,来呈现控制器中的...
@Component({selector:"cmp-a",template:`<cmp-a></cmp-a>`,standalone:true,imports:[...],})exportclassComponentA{} What should I put into theimportsarray, so thatcmp-acan be resolved (disregarding the infinite recursion in this example)?
student/add.component.ts onSubmit(): void { console.log(this.formGroup.value); console.log(this.klass); this.student = this.formGroup.value; this.student.klass = this.klass; console.log(this.student); this.studentService.save(this.student).subscribe((student:Student) =>{ ...
要添加除post或put之外的http方法的标题,只需添加一个新的对象,以较低的http方法名称为关键字,如$httpProvider.defaults.headers.get = {‘My-Header’ : ‘value’} 默认值也可以在运行时通过对象以相同的方式设置,如: 1 2 3 4 5 module.run(function($http){ ...
export class HomeComponent implements OnInit { constructor(public storage: StorageService) { } ngOnInit(): void { } getService() { this.storage.test(); } } 测试: 数据持久化到localStroage 之前的 search 和 todoList 测试案例当页面刷新数据都会消失,接下来我们在 service 里构建数据持久化方法(实际...