262 lines
7.8 KiB
TypeScript
262 lines
7.8 KiB
TypeScript
/**
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* 该文件可自行根据业务逻辑进行调整
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*/
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import type { RequestClientOptions } from '@vben/request';
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import { useAppConfig } from '@vben/hooks';
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import { $t } from '@vben/locales';
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import { preferences } from '@vben/preferences';
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import {
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authenticateResponseInterceptor,
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defaultResponseInterceptor,
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errorMessageResponseInterceptor,
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RequestClient,
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} from '@vben/request';
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import { useAccessStore } from '@vben/stores';
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import { useAuthStore } from '#/store';
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import { refreshTokenApi } from './core/auth';
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const { apiURL } = useAppConfig(import.meta.env, import.meta.env.PROD);
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async function showMessage(type: 'error' | 'warning', message: string) {
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const { ElMessage } =
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await import('element-plus/es/components/message/index');
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ElMessage[type](message);
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}
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/** 解析 API 错误体中的用户可读文案(兼容 FastAPI 字符串 detail 与结构化 detail) */
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function resolveApiErrorMessage(
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responseData: Record<string, unknown>,
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fallback: string,
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): string {
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const detail = responseData?.detail;
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if (typeof detail === 'string' && detail.trim()) {
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return detail;
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}
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if (detail && typeof detail === 'object' && !Array.isArray(detail)) {
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const nested = (detail as Record<string, unknown>).message;
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if (typeof nested === 'string' && nested.trim()) {
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return nested;
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}
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}
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for (const key of ['message', 'error', 'msg'] as const) {
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const val = responseData[key];
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if (typeof val === 'string' && val.trim()) {
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return val;
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}
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}
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return fallback;
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}
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function createRequestClient(baseURL: string, options?: RequestClientOptions) {
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const client = new RequestClient({
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...options,
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baseURL,
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paramsSerializer: (params) => {
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const searchParams = new URLSearchParams();
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for (const key in params) {
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const value = params[key];
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if (value === undefined || value === null) {
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continue;
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}
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if (Array.isArray(value)) {
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value.forEach((v) => searchParams.append(key, v));
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} else {
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searchParams.append(key, value);
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}
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}
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return searchParams.toString();
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},
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});
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/**
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* 重新认证逻辑
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*/
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async function doReAuthenticate() {
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console.warn(
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'[认证] Access token or refresh token is invalid or expired. ',
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);
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const accessStore = useAccessStore();
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const authStore = useAuthStore();
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// 检查是否有 token,如果没有说明是登录接口返回的 401(账号密码错误)
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// 这种情况不需要显示"登录已失效"的消息,也不需要跳转
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const hasToken = accessStore.accessToken || accessStore.refreshToken;
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accessStore.setAccessToken(null);
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accessStore.setRefreshToken(null);
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// 只有在有 token 的情况下才显示提示消息(说明是 token 失效)
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if (hasToken) {
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await showMessage('warning', '登录已失效,请重新登录');
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if (
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preferences.app.loginExpiredMode === 'modal' &&
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accessStore.isAccessChecked
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) {
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accessStore.setLoginExpired(true);
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} else {
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// 被强制登出时,不需要再调用后端 logout 接口(会 401)
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await authStore.logout(true, false);
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}
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}
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}
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/**
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* 刷新token逻辑
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*/
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// 刷新Token的Promise缓存,用于请求去重
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let refreshPromise: null | Promise<string> = null;
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async function doRefreshToken() {
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// 如果已经有正在进行的刷新请求,直接返回该Promise
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// 这样多个并发请求会共享同一个刷新操作,避免重复刷新
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if (refreshPromise) {
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console.log('[Token刷新] 已有刷新请求进行中,等待...');
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return refreshPromise;
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}
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console.log('[Token刷新] 开始刷新token...');
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// 创建新的刷新Promise
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refreshPromise = (async () => {
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try {
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const accessStore = useAccessStore();
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console.log(
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'[Token刷新] 当前refreshToken:',
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accessStore.refreshToken ? '存在' : '不存在',
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);
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// 检查 refreshToken 是否存在
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if (!accessStore.refreshToken) {
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console.error('[Token刷新] Refresh token is missing');
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await doReAuthenticate();
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throw new Error($t('ui.fallback.http.unauthorized'));
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}
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// 传递 refreshToken 给 API
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const resp = await refreshTokenApi(accessStore.refreshToken);
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// 处理响应中的新 token
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// 后端支持两种格式:直接返回 token 字符串 或 { token, accessToken } 对象
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const newToken = resp.data?.accessToken || '';
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// 更新 access token
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accessStore.setAccessToken(newToken);
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// 如果响应中有新的 refresh token,也保存
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if (typeof resp.data === 'object' && resp.data?.refreshToken) {
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accessStore.setRefreshToken(resp.data.refreshToken);
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}
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return newToken;
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} finally {
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// 无论成功或失败,都清空Promise缓存,允许下次刷新
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refreshPromise = null;
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}
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})();
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return refreshPromise;
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}
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function formatToken(token: null | string) {
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return token ? `Bearer ${token}` : null;
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}
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// 请求头处理
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client.addRequestInterceptor({
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fulfilled: async (config) => {
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const accessStore = useAccessStore();
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config.headers.Authorization = formatToken(accessStore.accessToken);
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config.headers['Accept-Language'] = preferences.app.locale;
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return config;
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},
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});
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// 处理返回的响应数据格式
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client.addResponseInterceptor(
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defaultResponseInterceptor({
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codeField: 'code',
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dataField: 'data',
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successCode: 0,
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}),
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);
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// SSE 模块 401 时的 token 刷新
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client.refreshToken = async () => {
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try {
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return await doRefreshToken();
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} catch {
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await doReAuthenticate();
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throw new Error('Token refresh failed');
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}
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};
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// token过期的处理
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// 注意:enableRefreshToken 需要动态获取,因为 preferences 可能在运行时更新
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client.addResponseInterceptor(
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authenticateResponseInterceptor({
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client,
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doReAuthenticate,
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doRefreshToken,
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enableRefreshToken: true, // 始终启用 token 刷新
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formatToken,
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}),
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);
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// 通用的错误处理,如果没有进入上面的错误处理逻辑,就会进入这里
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client.addResponseInterceptor(
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errorMessageResponseInterceptor((msg: string, error) => {
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// 这里可以根据业务进行定制,你可以拿到 error 内的信息进行定制化处理,根据不同的 code 做不同的提示,而不是直接使用 message.error 提示 msg
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const responseData = error?.response?.data ?? {};
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const status = error?.response?.status;
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// 401 错误由 authenticateResponseInterceptor 处理,这里跳过
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// 避免在 token 刷新过程中显示错误消息
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if (status === 401) {
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return;
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}
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// 优先级顺序:后端自定义消息 > 传入的消息 > 状态码默认消息
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let errorMessage = resolveApiErrorMessage(
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responseData as Record<string, unknown>,
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msg,
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);
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// 特殊处理429限流
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if (status === 429) {
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errorMessage =
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errorMessage || '请求过于频繁,请稍后再试(5分钟内不能重试)';
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}
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// 特殊处理403禁止访问
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if (status === 403) {
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errorMessage = errorMessage || '您没有权限访问此资源';
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}
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// 打印完整错误信息便于调试
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console.error('[API Error]', {
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status,
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message: errorMessage,
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data: responseData,
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});
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// 显示错误消息
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if (errorMessage) {
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void showMessage('error', errorMessage || msg);
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}
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}),
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);
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return client;
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}
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export const requestClient = createRequestClient(apiURL, {
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responseReturn: 'body',
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});
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export const baseRequestClient = new RequestClient({ baseURL: apiURL });
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