处理store数据在页面刷新后丢失问题

 <template>
 <template>
 	<div id="app">
 	<div id="app">
-    <router-view/>
+		<router-view />
 	</div>
 	</div>
 </template>
 </template>
 
 
+<script>
+export default {
+	mounted() {
+		window.addEventListener("unload", this.saveState);
+	},
+	methods: {
+		saveState() {
+			sessionStorage.setItem("state", JSON.stringify(this.$store.state));
+		},
+	},
+};
+</script>

@@ -8,7 +8,7 @@ import setTabs from './modules/setTabs'
 Vue.use(Vuex)
 Vue.use(Vuex)
 
 
 const store = new Vuex.Store({
 const store = new Vuex.Store({
-  state: {
+  state: sessionStorage.getItem('state') ? JSON.parse(sessionStorage.getItem('state')): {
     zdbsm:'',
     zdbsm:'',
     xzqList:[],
     xzqList:[],
     djqList:[],
     djqList:[],