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86 lines
2.9 KiB
86 lines
2.9 KiB
3 years ago
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import { Injectable } from '@angular/core';
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import {
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HttpClient, HttpEvent, HttpInterceptor, HttpHandler, HttpRequest,
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HttpErrorResponse
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} from '@angular/common/http';
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import { throwError } from 'rxjs'
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import { catchError, retry } from 'rxjs/operators';
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import { Router,ActivatedRoute } from '@angular/router'
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import {CacheTokenService} from '../service/cache-token.service'
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import { MatSnackBar, MatSnackBarConfig } from '@angular/material/snack-bar';
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import { CookieService } from 'ngx-cookie-service';
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//baseurl
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// const baseurl = 'http://39.106.78.171:8008';
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@Injectable()
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export class BaseInterceptor implements HttpInterceptor {
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constructor(private http:HttpClient,private router:Router,private route:ActivatedRoute,public token:CacheTokenService,
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public snackBar: MatSnackBar,private cookieService: CookieService) {}
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intercept(req, next: HttpHandler) {
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let newReq = req.clone({
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url: req.hadBaseurl ? `${req.url}` : `${req.url}`,
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});
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if(!req.cancelToken) {
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/*获取token*/
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let token = this.cookieService.get("token")
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/*此处设置额外请求头，token令牌*/
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newReq.headers =
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newReq.headers.set('Authorization', `Bearer ${token}`)
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}
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// 携带请求头发送下一次请求
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return next.handle(newReq)
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.pipe(
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//箭头函数,注意this指向
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catchError((err) => this.handleError(err))
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)
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}
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// 捕获错误
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//401 token过期 403没权限!!! 400参数错误 404未找到 614刷新令牌过期!!!
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private handleError(error: HttpErrorResponse) {
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// 用户认证失败返回登录页
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if (error.status === 401||error.status === 614) {
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this.token.delete()
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sessionStorage.clear()
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window.localStorage.clear()
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this.cookieService.set("token",'',new Date(new Date().getTime() + 1),'/')
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this.cookieService.set("refreshToken",'',new Date(new Date().getTime() + 1),'/')
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this.snackBar.open('用户认证信息过期,请重新登录', '确定', {
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duration: 3000
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});
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this.router.navigate(['/login'])
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}
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if (error.status === 403) {
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this.snackBar.open('对不起,您无此权限!', '确定', {
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duration: 3000
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});
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}
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if (error.status === 400) {
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const config = new MatSnackBarConfig();
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config.verticalPosition = 'top';
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config.duration = 3000
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this.snackBar.open('请核对您的输入格式是否正确','确定',config);
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}
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if (error.error instanceof ErrorEvent) {
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// 发生客户端或网络错误。相应处理。
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console.error('An error occurred:', error.error.message);
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} else {
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// 服务端返回http状态码
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// 服务端返回错误信息
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console.error(
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`Backend returned code ${error.status}, ` +
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`body was: ${error.error}`);
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}
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// 返回带有面向用户的错误信息
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return throwError(
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error.error);
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};
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}
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