canActivate优化

src/app/guard/DisinfectionSupplyGuard.guard.ts

@@ -8,14 +8,10 @@ export class DisinfectionSupplyGuard implements CanActivate  {
   constructor(public router: Router) { }
 
   canActivate(): boolean {
-    let menus = JSON.parse(localStorage.getItem('menu'));
+    const menus = JSON.parse(localStorage.getItem('menu'));
     let can = false;
     if (menus) {
-      menus.forEach((e) => {
-        if (e.link == 'disinfectionSupply') {
-          can = true;
-        }
-      });
+      can = menus.some(e => e.link == 'disinfectionSupply');
     }
     if (!can) {
       this.router.navigate(['login']);

src/app/guard/SpecimenView2Guard.guard.ts

@@ -8,14 +8,10 @@ export class SpecimenView2Guard implements CanActivate {
   constructor(public router: Router) { }
 
   canActivate(): boolean {
-    let menus = JSON.parse(localStorage.getItem('menu'));
+    const menus = JSON.parse(localStorage.getItem('menu'));
     let can = false;
     if (menus) {
-      menus.forEach((e) => {
-        if (e.link == 'specimenView2') {
-          can = true;
-        }
-      });
+      can = menus.some(e => e.link == 'specimenView2');
     }
     if (!can) {
       this.router.navigate(['login']);

src/app/guard/fuwutai.guard.ts

@@ -1,6 +1,5 @@
 import { Injectable } from '@angular/core';
-import { Router, ActivatedRouteSnapshot, RouterStateSnapshot, UrlTree, CanActivate } from '@angular/router';
-import { Observable } from 'rxjs';
+import { Router, CanActivate } from '@angular/router';
 
 @Injectable({
   providedIn: 'root'
@@ -10,14 +9,10 @@ export class FuwutaiGuard implements CanActivate {
   constructor(public router: Router) { }
 
   canActivate(): boolean {
-    let menus = JSON.parse(localStorage.getItem('menu'));
+    const menus = JSON.parse(localStorage.getItem('menu'));
     let can = false;
     if (menus) {
-      menus.forEach((e) => {
-        if (e.link == 'dispatchingDesk') {
-          can = true;
-        }
-      });
+      can = menus.some(e => e.link == 'dispatchingDesk');
     }
     if (!can) {
       this.router.navigate(['login']);

src/app/guard/main.guard.ts

@@ -1,6 +1,5 @@
 import { Injectable } from '@angular/core';
-import { ActivatedRouteSnapshot, RouterStateSnapshot, UrlTree, CanActivate, Router } from '@angular/router';
-import { Observable } from 'rxjs';
+import { CanActivate, Router } from '@angular/router';
 
 @Injectable({
   providedIn: 'root'
@@ -9,15 +8,10 @@ export class MainGuard implements CanActivate {
   constructor(public router: Router) { }
 
   canActivate(): boolean {
-    let menus = JSON.parse(localStorage.getItem('menu'));
+    const menus = JSON.parse(localStorage.getItem('menu'));
     let can = false;
     if (menus) {
-      console.log(menus,'守卫');
-      menus.forEach((e) => {
-        if (!e.parentid && !e.link && e.event == 1) {
-          can = true;
-        }
-      });
+      can = menus.some(e => !e.parentid && !e.link && e.event == 1);
     }
     if (!can) {
       this.router.navigate(['login']);

src/app/guard/nurse.guard.ts

@@ -1,6 +1,5 @@
 import { Injectable } from '@angular/core';
-import { Router, ActivatedRouteSnapshot, RouterStateSnapshot, UrlTree, CanActivate } from '@angular/router';
-import { Observable } from 'rxjs';
+import { Router, CanActivate } from '@angular/router';
 
 @Injectable({
   providedIn: 'root'
@@ -10,14 +9,10 @@ export class NurseGuard implements CanActivate {
   constructor(public router: Router) { }
 
   canActivate(): boolean {
-    let menus = JSON.parse(localStorage.getItem('menu'));
+    const menus = JSON.parse(localStorage.getItem('menu'));
     let can = false;
     if(menus){
-      menus.forEach((e) => {
-        if (e.link == 'nurse') {
-          can = true;
-        }
-      });
+      can = menus.some(e => e.link == 'nurse');
     }
     if (!can) {
       this.router.navigate(['login']);

src/app/guard/pharmacy.guard.ts

@@ -1,6 +1,5 @@
 import { Injectable } from '@angular/core';
-import { ActivatedRouteSnapshot, CanActivate, Router, RouterStateSnapshot, UrlTree } from '@angular/router';
-import { Observable } from 'rxjs';
+import { CanActivate, Router } from '@angular/router';
 
 @Injectable({
   providedIn: 'root'
@@ -9,14 +8,10 @@ export class PharmacyGuard implements CanActivate {
   constructor(public router: Router) { }
 
   canActivate(): boolean {
-    let menus = JSON.parse(localStorage.getItem('menu'));
+    const menus = JSON.parse(localStorage.getItem('menu'));
     let can = false;
     if (menus) {
-      menus.forEach((e) => {
-        if (e.link == 'pharmacy') {
-          can = true;
-        }
-      });
+      can = menus.some(e => e.link == 'pharmacy');
     }
     if (!can) {
       this.router.navigate(['login']);