When communicating with some backend API, data travels over the network using the HTTP protocol. As such, failures may occur, be it on our own device (i.e. the browser) or on the server-side which may not be available or unable to process our request. We need to handle such error re...
创建HttpInterceptor,它可以拦截请求和响应,允许我们统一处理所有HTTP通信中的错误。 @Injectable() export class MyHttpInterceptor implements HttpInterceptor { intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> { return next.handle(req).pipe( catchError((error: HttpErrorRespons...
export class CustomErrorHandler implements ErrorHandler { handleError(error: any): void { if (error instanceof HttpErrorResponse) { // 处理 HTTP 错误 console.warn('HTTP Error:', error.status, error.message); } else if (error instanceof TypeError) { // 处理 TypeError console.warn('Type Er...
上面第3点的写法中的不是通过自动调用handleError钩子来处理错误的,在Interceptor拦截器中只能处理HttpErrorResponse类型的错误,如果这里处理了,那么ErrorHandler将捕获不到。所以在Interceptor中,如果一定要通过handleError钩子函数来处理错误,那么就需要将HttpErrorResponse类型的错误抛出。如下: catchError((error: HttpErrorRe...
(this.handleError) ); } private handleError(error: HttpErrorResponse) { // 在这里可以对错误进行处理,例如打印错误日志或显示错误消息 console.error('An error occurred:', error); // 返回一个可观察对象,以便在组件中进一步处理 return throwError('Something went wrong. Please try again later.'); ...
HttpRequest<any>, next: HttpHandler) { return next.handle(request).pipe( catchError((error: HttpErrorResponse) => { // 处理错误响应 if (error.error instanceof ErrorEvent) { // 客户端错误 console.error('An error occurred:', error.error.message); } else { // 服务器错误 console...
When communicating with some backend API, data travels over the network using the HTTP protocol. As such, failures may occur, be it on our own device (i.e. the browser) or on the server-side which may not be available or unable to process our request. We need to handle such error re...
_SERVER } from './error-token'; @Injectable() export class GlobalErrorHandler implements ErrorHandler { constructor( @Inject(PROPAGATE_ERROR_TO_SERVER) private propagateError: (error: unknown) => void ) {} handleError(error: unknown): void { this.propagateError(error); console.error(error);...
handleError) ); } /** * 错误信息捕获处理 * @param error 错误信息 */ private handleError(error: HttpErrorResponse) { if (error.error instanceof ErrorEvent) { // 客户端本身引起的错误信息 console.error(`客户端错误:${error.error.message}`); } else { // 服务端返回的错误信息 console....
{// Handle Http Error (4xx, 5xx, ect.)// console.error("Http Error!");notifier.showError("Http Error: " + error.message);}} else {// Handle Client Error (Angular Error, ReferenceError...)// console.error("Client Error!");notifier.showError(error.message);}console.error(error);}...