时间可单选

src/router/index.js

-import { createRouter, createWebHistory } from 'vue-router'
+import { createRouter, createWebHashHistory  } from 'vue-router'
+import { message } from "ant-design-vue";
 // import HomeView from '../views/HomeView.vue'
 import login from "../views/login/index.vue"
 import home from "../views/home/home.vue"
@@ -148,8 +149,24 @@ const routes = [
 ]
 
 const router = createRouter({
-  history: createWebHistory(process.env.BASE_URL),
+history: createWebHashHistory(process.env.BASE_URL),
+  mode:'hash',
   routes
 })
+router.beforeEach((to,from,next)=>{
+  if (to.path === '/login' || to.path === '/adminLogin' ||to.path === '/forget') {
+    next();
+  }
+  else{
+    let token = localStorage.getItem('token');
+    if (!token) {
+      message.error('请先登录')
+      next('/login');
+    }else{
+      next();
+    }
+  }
+
+})
 
 export default router

src/views/patent/index.vue

@@ -39,6 +39,7 @@
               <a-range-picker
                 v-model:value="formState['rangetime1']"
                 value-format="YYYY-MM-DD"
+                :allowEmpty="[true,true]"
               />
             </a-config-provider>
           </a-form-item>
@@ -47,6 +48,7 @@
               <a-range-picker
                 v-model:value="formState['rangetime2']"
                 value-format="YYYY-MM-DD"
+                :allowEmpty="[true,true]"
               />
             </a-config-provider>
           </a-form-item>