feat: 前端升级至vue3，后端代码结构重构，新增权限管理相关功能

mayfly_go_web/src/common/utils/storage.ts

@@ -0,0 +1,37 @@
+// 1. localStorage
+// 设置永久缓存
+export function setLocal(key: string, val: any) {
+    window.localStorage.setItem(key, JSON.stringify(val));
+}
+// 获取永久缓存
+export function getLocal(key: string) {
+    let json: any = window.localStorage.getItem(key);
+    return JSON.parse(json);
+}
+// 移除永久缓存
+export function removeLocal(key: string) {
+    window.localStorage.removeItem(key);
+}
+// 移除全部永久缓存
+export function clearLocal() {
+    window.localStorage.clear();
+}
+
+// 2. sessionStorage
+// 设置临时缓存
+export function setSession(key: string, val: any) {
+    window.sessionStorage.setItem(key, JSON.stringify(val));
+}
+// 获取临时缓存
+export function getSession(key: string) {
+    let json: any = window.sessionStorage.getItem(key);
+    return JSON.parse(json);
+}
+// 移除临时缓存
+export function removeSession(key: string) {
+    window.sessionStorage.removeItem(key);
+}
+// 移除全部临时缓存
+export function clearSession() {
+    window.sessionStorage.clear();
+}