107 lines
2.8 KiB
JavaScript
107 lines
2.8 KiB
JavaScript
/**
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* API 封装：baseURL、Token、POST JSON、统一错误与 401 处理
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* 依据：backend/API.md，全部 POST，JSON，Bearer Token
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*/
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(function (global) {
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'use strict';
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var BASE_URL = 'http://127.0.0.1:8000';
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var TOKEN_KEY = 'pm_token';
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var USER_KEY = 'pm_user';
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function getToken() {
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try {
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return localStorage.getItem(TOKEN_KEY) || '';
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} catch (e) {
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return '';
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}
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}
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function setToken(token) {
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try {
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if (token) localStorage.setItem(TOKEN_KEY, token);
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else localStorage.removeItem(TOKEN_KEY);
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} catch (e) {}
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}
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function getUser() {
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try {
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var raw = localStorage.getItem(USER_KEY);
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return raw ? JSON.parse(raw) : null;
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} catch (e) {
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return null;
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}
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}
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function setUser(user) {
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try {
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if (user) localStorage.setItem(USER_KEY, JSON.stringify(user));
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else localStorage.removeItem(USER_KEY);
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} catch (e) {}
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}
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function clearAuth() {
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setToken('');
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setUser(null);
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}
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/**
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* POST /api/xxx 请求
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* @param {string} path - 如 '/api/auth/login'
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* @param {object} body - 请求体
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* @param {boolean} [requireAuth=true] - 是否携带 Token
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* @returns {Promise<{ ok: boolean, data?: object, status?: number, message?: string }>}
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*/
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function post(path, body, requireAuth) {
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if (requireAuth === undefined) requireAuth = true;
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var url = BASE_URL + path;
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var headers = {
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'Content-Type': 'application/json',
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};
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var token = getToken();
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if (requireAuth && token) {
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headers['Authorization'] = 'Bearer ' + token;
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}
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return fetch(url, {
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method: 'POST',
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headers: headers,
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body: JSON.stringify(body || {}),
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})
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.then(function (res) {
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return res.text().then(function (text) {
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var data = null;
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try {
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data = text ? JSON.parse(text) : null;
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} catch (e) {
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data = null;
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}
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if (res.status === 401) {
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clearAuth();
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if (typeof global.onAuthRequired === 'function') {
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global.onAuthRequired();
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}
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return { ok: false, status: 401, message: data && data.message ? data.message : '未登录' };
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}
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if (!res.ok) {
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var msg = (data && data.message) || res.statusText || '请求失败';
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return { ok: false, status: res.status, data: data, message: msg };
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}
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return { ok: true, data: data };
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});
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})
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.catch(function (err) {
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return { ok: false, message: err && err.message ? err.message : '网络错误' };
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});
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}
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global.API = {
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BASE_URL: BASE_URL,
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getToken: getToken,
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setToken: setToken,
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getUser: getUser,
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setUser: setUser,
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clearAuth: clearAuth,
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post: post,
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};
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})(typeof window !== 'undefined' ? window : this);
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