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82 lines
3.0 KiB
82 lines
3.0 KiB
import {Injectable} from '@angular/core';
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import {
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HttpEvent, HttpInterceptor, HttpHandler, HttpRequest, HttpResponse, HttpHeaders
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} from '@angular/common/http';
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import {catchError, finalize} from 'rxjs/operators';
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import {mergeMap} from 'rxjs/operators';
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import {Observable} from 'rxjs';
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import {NzMessageService} from 'ng-zorro-antd';
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import {Router} from '@angular/router';
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import {LocalStorageService} from './local-storage.service';
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import {TOKEN} from './local-storage.namespace';
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@Injectable()
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export class InterceptorService implements HttpInterceptor {
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constructor(
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private message: NzMessageService,
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private router: Router,
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private storage: LocalStorageService,
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) {
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}
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intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
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let secureReq: HttpRequest<any>;
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let modifiedHeaders: HttpHeaders;
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const token = this.storage.get(TOKEN);
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if (token != null) {
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modifiedHeaders = req.headers.set('Authorization', token);
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}
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secureReq = req.clone({
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url: req.url,
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headers: modifiedHeaders
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});
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// @ts-ignore
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return next.handle(secureReq)
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.pipe(
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catchError((res: HttpResponse<any>) => {
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let msg = '';
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switch (res.status) {
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case 401:
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msg = '身份验证过期,请重新进入页面';
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break;
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case 200:
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msg = '身份验证过期,请重新进入页面';
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break;
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case 404:
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msg = '找不到地址';
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break;
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case 403:
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msg = '业务错误';
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break;
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case 500:
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msg = '服务器发生错误,请重试';
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break;
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}
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this.showError(msg);
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return Observable.create(res);
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}),
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finalize(() => {
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}),
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mergeMap(
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// 有响应时成功;忽略其他事件
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(event: any) => {
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if (event.body != null) {
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if (event.body.return_code === '204001') {
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// this.router.navigateByUrl('/error/500');
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}
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}
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if (event.status === 200) {
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this.message.remove();
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}
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return Observable.create(observer => observer.next(event));
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}),
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);
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}
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showError(message: string) {
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// this.router.navigateByUrl('/error/500');
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this.message.remove();
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this.message.error(message, {nzDuration: 2000});
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}
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}
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