feat: app功能基本实现

frontend/app/src/utils/auth.ts

@@ -0,0 +1,37 @@
+import Taro from '@tarojs/taro'
+import type { TokenDTO, UserInfoDTO } from '@/api/types'
+
+const tokenKey = 'simple-todo-app-token'
+const userKey = 'simple-todo-app-user'
+
+export function getToken() {
+  return Taro.getStorageSync<string>(tokenKey) || ''
+}
+
+export function getCurrentUser() {
+  return Taro.getStorageSync<UserInfoDTO>(userKey) || {}
+}
+
+export function isLoggedIn() {
+  return Boolean(getToken())
+}
+
+export function setLoginSession(data: TokenDTO) {
+  Taro.setStorageSync(tokenKey, data.token)
+  Taro.setStorageSync(userKey, data.currentUser.userInfo)
+}
+
+export function setCurrentUser(user: UserInfoDTO) {
+  Taro.setStorageSync(userKey, user)
+}
+
+export function clearLoginSession() {
+  Taro.removeStorageSync(tokenKey)
+  Taro.removeStorageSync(userKey)
+}
+
+export function redirectToLogin() {
+  clearLoginSession()
+  Taro.reLaunch({ url: '/pages/login/index' })
+}
+