65 lines
1.9 KiB
JavaScript
65 lines
1.9 KiB
JavaScript
// 全局Promise缓存，现在被封装在模块作用域内，不再污染全局
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const apiPromiseCache = new Map();
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/**
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* 具备缓存、认证处理和自动JSON解析的apiFetch函数
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*/
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export async function apiFetch(url, options = {}) {
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// [修正] 不再使用 window.apiPromiseCache
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if (apiPromiseCache.has(url) && !options.noCache) {
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return apiPromiseCache.get(url);
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}
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const token = localStorage.getItem('bearerToken');
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const headers = {
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'Content-Type': 'application/json',
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...options.headers,
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};
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if (token) {
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headers['Authorization'] = `Bearer ${token}`;
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}
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const requestPromise = fetch(url, {
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...options,
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headers,
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}).then(response => {
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if (response.status === 401) {
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apiPromiseCache.delete(url);
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localStorage.removeItem('bearerToken');
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if (window.location.pathname !== '/login') {
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window.location.href = '/login?error=会话已过期，请重新登录。';
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}
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throw new Error('Unauthorized');
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}
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if (!response.ok) {
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throw new Error(`API请求失败: ${response.status}`);
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}
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return response;
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});
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apiPromiseCache.set(url, requestPromise);
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return requestPromise;
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}
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/**
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* 更安全的apiFetch包装器，直接返回解析后的JSON数据
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*/
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export async function apiFetchJson(url, options = {}) {
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const response = await apiFetch(url, options);
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return response.clone().json();
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}
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export async function fetchVersionInfo() {
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console.log("Placeholder for fetchVersionInfo function.");
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// 示例: 如果您有一个/version的API端点
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/*
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fetch('/version')
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.then(res => res.json())
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.then(data => {
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const versionElement = document.getElementById('system-version');
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if (versionElement) {
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versionElement.textContent = data.version || 'N/A';
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}
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});
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*/
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} |