[完善]中化http拦截器的修改

src/app/http-interceptors/base-interceptor.ts

@@ -1,12 +1,13 @@
 import { Injectable } from '@angular/core';
 import {
   HttpClient, HttpInterceptor, HttpHandler, HttpRequest,
-  HttpErrorResponse
+  HttpErrorResponse,
+  HttpResponse
 } from '@angular/common/http';
+
 import { throwError } from 'rxjs'
-import { catchError } from 'rxjs/operators';
+import { catchError, tap, finalize } from 'rxjs/operators';
 import { Router } from '@angular/router'
-import { CacheTokenService } from '../service/cache-token.service'
 import { NzMessageService } from 'ng-zorro-antd/message';
 //baseurl
 // const baseurl = 'http://39.106.78.171:8008';
@@ -14,7 +15,7 @@ import { NzMessageService } from 'ng-zorro-antd/message';
 @Injectable()
 export class BaseInterceptor implements HttpInterceptor {
 
-  constructor(private router: Router, public token: CacheTokenService, private message: NzMessageService) { }
+  constructor(private router: Router, private message: NzMessageService) { }
 
   intercept(req, next: HttpHandler) {
 
@@ -34,15 +35,33 @@ export class BaseInterceptor implements HttpInterceptor {
       /*获取token*/
       let token = sessionStorage.getItem("token")
       /*此处设置额外请求头，token令牌*/
-      newReq.headers =
-        newReq.headers.set('Authorization', `Bearer ${token}`)
+      if (!!token) {
+        newReq.headers = newReq.headers.set('Authorization', `Bearer ${token}`)
+      }
+
     }
 
     // 携带请求头发送下一次请求
     return next.handle(newReq)
       .pipe(
-        //箭头函数,注意this指向
-        catchError((err) => this.handleError(err))
+        tap(event => {
+          if (event instanceof HttpResponse) {
+            // 成功
+            // console.log('成功', event.headers.get('x-refresh-encryptedtoken'))
+            if (!!event.headers.get('x-refresh-token')) {
+              sessionStorage.setItem('token', event.headers.get('x-refresh-token'))
+              sessionStorage.setItem('encryptedAccessToken', event.headers.get('x-refresh-encryptedtoken'))
+            }
+          }
+        }, error => {
+          // 失败
+          console.log('请求http失败', error)
+          this.handleError(error)
+        }),
+        finalize(() => {
+          // 请求完成
+          // console.log('complete')
+        })
       )
   }
 
@@ -50,10 +69,8 @@ export class BaseInterceptor implements HttpInterceptor {
   //401 token过期   403没权限!!!   400参数错误   404未找到   614刷新令牌过期!!!
 
   private handleError(error: HttpErrorResponse) {
-    console.log('http错误', error)
     // 用户认证失败返回登录页
     if (error.status === 401 || error.status === 614) {
-      this.token.delete()
       sessionStorage.clear()
       // window.localStorage.clear()
       localStorage.removeItem("isautologin")
@@ -66,7 +83,9 @@ export class BaseInterceptor implements HttpInterceptor {
     if (error.status === 400) {
       this.message.create('error', `请核对您的输入信息或格式是否正确!`);
     }
-
+    if (error.status === 500) {
+      this.message.create('error', `状态500,服务器错误!`);
+    }
     if (error.error instanceof ErrorEvent) {
       // 发生客户端或网络错误。相应处理。
       console.error('An error occurred:', error.error.message);