constmyObservable=Observable.of(1,2,3);// Create observer objectconstmyObserver={next:x=>console.log('Observer got a next value: '+x),error:err=>console.error('Observer got an error: '+err),complete:()=>console.log('Observer got a complete notification'),};// Execute with the observ...
AI代码解释 constructor(@Inject(PLATFORM_ID)privateplatformId:Object,@Inject(APP_ID)privateappId:string){// 判断运行环境为客户端还是服务端constplatform=isPlatformBrowser(platformId)?'in the browser':'on the server';console.log(`Running${platform}with appId=${appId}`);} 3、创建服务端应用的引导...
export class SexReformPipe implements PipeTransform { transform(value: string, args?: any): string {//value的值为html中 | 前面传入的值, args为名称后传入的参数switch(value){case'male':return'男';case'female':return'女';default:return'雌雄同体'; } } }//demo.component.tsexport Class DemoC...
const lastNameNode= lastName[SIGNAL] as SignalNode<string>;//1. 创建 ReactiveNodeconst fullNameNode =Object.create(REACTIVE_NODE) as ReactiveNode;//2. 把 ReactiveNode 设置成全局 ConsumersetActiveConsumer(fullNameNode); console.log(fullNameNode.producerNode);//3. 此时 producerNode 是 undefinedfi...
component if it is different from the previous value (based on `Object.is` equality). If code relies on the input always being set, it should be updated to copy objects or wrap primitives in order to ensure the input value differs from the previous call to `setInput`. ...
(id: number): Observable<IUser> { return this.http.delete<IUser>(`${this.url}/${id}`) } addUser(data: IUser): Observable<IUser> { return this.http.post<IUser>(this.url, data) } updateUser(data: IUser): Observable<IUser> { return this.http.put<IUser>(this.url, data) } ...
postData(url: string, data: any): Observable<any> { const encryptedData = this.appCryptoService.encrypt(data); return this.httpClient.post(url, encryptedData); } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. ...
使用Observable构造函数可以创建任何类型的可观察流,当执行可观察对象的subscribe方法时,这个构造函数就会把它接收到的参数作为订阅函数来运行,订阅函数会接受一个Observer对象,并把值发布给Observer对象的next方法。注意,在需要释放某些资源的observable对象中,使用构造函数法生成该对象时,需要return {unsubscrible(){ ......
constmyObservable =Observable.of(1,2,3);// Create observer objectconstmyObserver = {next:x=>console.log('Observer got a next value: '+ x),error:err=>console.error('Observer got an error: '+ err),complete:() =>console.log('Observer got a complete notification'), ...
('Observer got an error: ' + err), complete: () => console.log('Observer got a complete notification'),}; // Execute with the observer objectmyObservable.subscribe(myObserver);// Logs:// Observer got a next value: 1// Observer got a next value: 2// Observer got a next value: ...