动态消息更新优化及请求错误处理

src/app/services/http-client.service.ts

@@ -1,6 +1,10 @@
 import { Injectable } from '@angular/core';
+import { Router } from '@angular/router';
 import { HttpClient, HttpRequest, HttpHeaders, HttpParams } from '@angular/common/http';
 import { HttpObserve } from '@angular/common/http/src/client';
+import { OperateSpinServiceService } from './operate-spin-service.service';
+import { ToastService } from '../components/toast/toast.service';
+import { ToastConfig, ToastType } from '../components/toast/toast-model';
 
 import { Observable } from 'rxjs';
 
@@ -11,7 +15,10 @@ import { Observable } from 'rxjs';
 export class HttpClientService {
 
     constructor(
+        private router: Router,
         private httpClient: HttpClient,
+        private operateSpinServiceService: OperateSpinServiceService,
+        private toastService: ToastService,
     ) { }
 
 
@@ -113,6 +120,27 @@ export class HttpClientService {
             observable.subscribe(res => {
                 observer.next(res);
             }, (err) => {
+                switch (err.status) {
+                    case 401: {
+                        this.operateSpinServiceService.hideSpin();
+                        let cookieMsg = ['SESSION', 'token']
+                        let sessionStorageMsg = ['userInfo']
+                        sessionStorageMsg.forEach(element => {
+                            sessionStorage.removeItem(element)
+                        })
+                        cookieMsg.forEach(element => {
+                            this.delCookie(element)
+                        })
+                        this.router.navigate(['/login']);
+                        break;
+                    };
+                    case 500: {
+                        this.operateSpinServiceService.hideSpin();
+                        const toastCfg = new ToastConfig(ToastType.ERROR, '', '数据请求失败！', 5000);
+                        this.toastService.toast(toastCfg);
+                        break;
+                    }
+                }
                 observer.error(err);
             }, () => {
                 observer.complete();
@@ -120,4 +148,10 @@ export class HttpClientService {
         });
     }
 
+    delCookie($name) {
+        let myDate = new Date();
+        myDate.setTime(-1000);
+        document.cookie = $name + "=''; expires=" + myDate.toUTCString();
+    }
+
 }