feat: 重构鉴权系统为双Token无感刷新,并增加前端Token过期安全预判机制
This commit is contained in:
@ -1,6 +1,6 @@
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import axios from 'axios'
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import axios, { AxiosError, AxiosRequestConfig, InternalAxiosRequestConfig } from 'axios'
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import { ElMessage } from 'element-plus'
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import { useUserStore } from '@/stores/user' // 引入 Store 获取 Token
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import { useUserStore } from '@/stores/user'
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// 1. 创建 axios 实例
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const service = axios.create({
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@ -11,13 +11,54 @@ const service = axios.create({
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timeout: 5000
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})
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// 2. 请求拦截器
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// ============================================================
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// 2. 无感刷新 Token 核心逻辑
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// ============================================================
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// 标记是否正在刷新 Token
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let isRefreshing = false
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// 重试队列:存储失败的请求,刷新成功后重新发送
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const retryQueue: {
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resolve: (value: unknown) => void
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reject: (reason?: unknown) => void
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config: InternalAxiosRequestConfig
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}[] = []
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// 处理队列中的请求
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const processQueue = (newToken: string | null, error?: Error) => {
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retryQueue.forEach(({ resolve, reject, config }) => {
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if (newToken) {
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// 更新 Authorization 头
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config.headers['Authorization'] = 'Bearer ' + newToken
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// 重新发送请求
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service(config).then(resolve).catch(reject)
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} else {
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reject(error)
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}
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})
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// 清空队列
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retryQueue.length = 0
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}
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// 刷新 Token 接口
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const refreshToken = async (refreshTokenValue: string): Promise<string> => {
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const res = await axios.post('/api/v1/auth/refresh', {
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refresh_token: refreshTokenValue
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})
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const data = res.data
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if (data.access_token) {
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return data.access_token
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}
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throw new Error('Token 刷新失败')
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}
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// ============================================================
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// 3. 请求拦截器
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// ============================================================
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service.interceptors.request.use(
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(config) => {
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// 在发送请求之前做些什么
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// 注意:这里需要确保 Pinia 已经初始化,但在拦截器运行时组件早已加载,通常没问题
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// 为了安全起见,也可以直接读 localStorage,或者在函数内调用 store
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const token = localStorage.getItem('token')
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const token = localStorage.getItem('access_token') || localStorage.getItem('token')
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if (token && config.headers) {
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// Flask-JWT-Extended 默认需要 'Bearer <token>' 格式
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@ -30,7 +71,9 @@ service.interceptors.request.use(
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}
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)
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// 3. 响应拦截器
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// ============================================================
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// 4. 响应拦截器(核心:无感刷新)
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// ============================================================
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service.interceptors.response.use(
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(response) => {
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// Axios 默认包了一层 data,所以这里取 response.data
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@ -47,35 +90,132 @@ service.interceptors.response.use(
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return res // 返回解包后的数据
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}
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},
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(error) => {
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async (error: AxiosError) => {
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console.log('err: ' + error) // for debug
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// 如果不是 axios 错误,直接抛出
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if (!error.response) {
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return Promise.reject(error)
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}
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const originalConfig = error.config as InternalAxiosRequestConfig & { _retry?: boolean }
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let message = error.message || '请求失败'
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// 处理 HTTP 状态码错误
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const isLoginEndpoint = error.config && error.config.url.includes('/login')
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const isLoginEndpoint = error.config && error.config.url && error.config.url.includes('/login')
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const isRefreshEndpoint = error.config && error.config.url && error.config.url.includes('/refresh')
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if (error.response) {
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const status = error.response.status
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const data = error.response.data
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const status = error.response.status
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const data = error.response.data as any
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if (status === 401) {
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// 对于登录接口的401错误,不执行登出重定向,仅提示错误
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if (!isLoginEndpoint) {
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message = '登录已过期,请重新登录'
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// ============================================================
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// 核心:401 错误处理 + 无感刷新
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// ============================================================
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if (status === 401) {
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// 1. 如果是登录接口的 401,不执行刷新
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if (isLoginEndpoint) {
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message = data?.msg || '用户名或密码错误'
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ElMessage.error(message)
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return Promise.reject(error)
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}
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// 2. 如果是刷新接口的 401,说明 refresh_token 也过期了
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if (isRefreshEndpoint) {
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message = '登录已彻底过期,请重新登录'
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ElMessage.error(message)
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// 清空所有 Token,跳转登录页
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localStorage.clear()
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window.location.href = '/login'
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return Promise.reject(error)
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}
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// 3. 业务接口返回 401,尝试无感刷新
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if (!originalConfig) {
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return Promise.reject(error)
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}
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// 如果已经重试过(防止无限循环)
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if (originalConfig._retry) {
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message = '登录已过期,请重新登录'
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localStorage.clear()
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window.location.href = '/login'
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return Promise.reject(error)
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}
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// 标记为已重试
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originalConfig._retry = true
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// 获取 refresh_token
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const refreshTokenValue = localStorage.getItem('refresh_token')
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if (!refreshTokenValue) {
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// 没有 refresh_token,直接跳转登录
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message = '登录已过期,请重新登录'
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ElMessage.error(message)
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localStorage.clear()
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window.location.href = '/login'
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return Promise.reject(error)
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}
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// 4. 尝试刷新 Token
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if (!isRefreshing) {
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isRefreshing = true
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try {
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console.log('正在刷新 Token...')
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const newAccessToken = await refreshToken(refreshTokenValue)
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// 刷新成功,更新本地 Token
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const userStore = useUserStore()
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userStore.setToken(newAccessToken)
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// 更新当前请求的 Authorization
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originalConfig.headers['Authorization'] = 'Bearer ' + newAccessToken
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console.log('Token 刷新成功,重发队列中的请求')
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// 处理队列中的请求
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processQueue(newAccessToken)
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// 重发当前请求
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return service(originalConfig)
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} catch (refreshError) {
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console.error('Token 刷新失败:', refreshError)
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// 刷新失败,清空队列并跳转登录
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processQueue(null, refreshError as Error)
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message = '登录已彻底过期,请重新登录'
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ElMessage.error(message)
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localStorage.clear()
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window.location.href = '/login'
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return Promise.reject(refreshError)
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} finally {
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isRefreshing = false
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}
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// 如果是登录接口,message会被后面的data.msg覆盖
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} else if (status === 403) {
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message = '权限不足'
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} else if (status === 404) {
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message = '请求的资源不存在'
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} else if (status === 500) {
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message = '服务器内部错误'
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} else if (data && data.msg) {
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// 优先显示后端返回的错误信息
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message = data.msg
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} else {
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// 5. 正在刷新中,将当前请求加入队列等待
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return new Promise((resolve, reject) => {
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retryQueue.push({
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resolve,
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reject,
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config: originalConfig
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})
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})
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}
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} else if (status === 403) {
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message = '权限不足'
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} else if (status === 404) {
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message = '请求的资源不存在'
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} else if (status === 500) {
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message = '服务器内部错误'
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} else if (data && data.msg) {
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// 优先显示后端返回的错误信息
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message = data.msg
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}
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// 登录接口的错误由调用方单独处理,不再显示全局提示
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