边缘计算已从基础设施关注点转变为关键的前端开发技能。2026年,随着开发者部署在全球用户几毫秒内执行的代码,前端和后端之间的界限继续模糊。本综合指南涵盖了前端开发者需要了解的关于边缘计算的一切——从基本概念到生产就绪的实现。
无论您是优化现有应用程序还是设计新系统,理解边缘计算对于构建现代高性能Web应用程序至关重要。
对于前端开发者来说,边缘计算是什么?
边缘计算将计算和数据存储带到更接近数据源的位置。对于前端开发者来说,这意味着在靠近用户的分布式服务器上运行服务器端逻辑,而不是在集中的数据中心。
传统架构 vs 边缘架构
传统架构:
东京用户 → CDN(静态文件) → 弗吉尼亚源服务器 → 数据库
↓
500ms以上延迟
边缘架构:
东京用户 → 东京边缘服务器 → 源(如需要)
↓
50ms延迟
(动态内容在边缘渲染)
为什么前端开发者需要边缘技能
Web平台的演变从根本上改变了”前端”的含义:
- 服务器组件:React Server Components、Astro等技术模糊了客户端-服务器边界
- 边缘渲染:为个性化动态内容在边缘进行SSR和SSG
- API路由:前端框架现在包含后端功能
- 实时功能:WebSockets和流的边缘原生解决方案
边缘平台:前端开发者指南
多个平台提供边缘计算功能。了解它们的优势有助于选择正确的工具。
Vercel边缘函数
Vercel边缘函数运行在Vercel的边缘网络上,由V8隔离驱动。非常适合Next.js应用程序。
主要特性:
- 亚毫秒冷启动
- 流式响应
- 默认全球部署
- 原生Next.js集成
基本边缘函数:
// app/api/hello/route.ts
export const runtime = 'edge';
export async function GET(request: Request) {
const { searchParams } = new URL(request.url);
const name = searchParams.get('name') || 'World';
return new Response(`Hello, ${name}!`, {
headers: {
'content-type': 'text/plain',
},
});
}
边缘中间件:
// middleware.ts
import { NextResponse } from 'next/server';
import type { NextRequest } from 'next/server';
export function middleware(request: NextRequest) {
// 从边缘获取用户国家
const country = request.geo?.country || 'US';
// 基于位置个性化
const response = NextResponse.next();
response.headers.set('x-user-country', country);
// 边缘A/B测试
const bucket = Math.random() < 0.5 ? 'control' : 'experiment';
response.cookies.set('ab-bucket', bucket);
return response;
}
export const config = {
matcher: ['/((?!_next/static|favicon.ico).*)'],
};
Cloudflare Workers
Cloudflare Workers提供最成熟的边缘计算平台,具有广泛的API。
主要特性:
- 全球200多个边缘位置
- 边缘数据的KV存储
- 状态应用的Durable Objects
- 边缘机器学习的Workers AI
基本Worker:
// src/index.js
export default {
async fetch(request, env, ctx) {
const url = new URL(request.url);
if (url.pathname === '/api/data') {
// 从边缘KV存储获取
const cachedData = await env.MY_KV.get('data-key', 'json');
if (cachedData) {
return Response.json(cachedData);
}
// 从源获取并缓存
const response = await fetch('https://api.origin.com/data');
const data = await response.json();
// 缓存1小时
ctx.waitUntil(env.MY_KV.put('data-key', JSON.stringify(data), {
expirationTtl: 3600
}));
return Response.json(data);
}
return new Response('Not Found', { status: 404 });
}
};
Wrangler配置:
# wrangler.toml
name = "my-edge-app"
main = "src/index.js"
compatibility_date = "2026-01-01"
[[kv_namespaces]]
binding = "MY_KV"
id = "abc123"
[vars]
ENVIRONMENT = "production"
Deno Deploy
Deno Deploy提供一流TypeScript支持和Web标准API的边缘计算。
主要特性:
- 开箱即用的TypeScript
- Web标准API
- 内置KV数据库
- GitHub集成
Deno边缘函数:
// main.ts
import { serve } from "https://deno.land/[email protected]/http/server.ts";
const kv = await Deno.openKv();
serve(async (request: Request) => {
const url = new URL(request.url);
if (url.pathname === "/api/counter") {
// 边缘原子递增
const key = ["counters", "visits"];
const result = await kv.atomic()
.sum(key, 1n)
.commit();
const entry = await kv.get(key);
return Response.json({
count: entry.value?.toString() || "0"
});
}
return new Response("Hello from the Edge!");
}, { port: 8000 });
AWS CloudFront Functions & Lambda@Edge
AWS提供两种具有不同功能的边缘计算选项。
CloudFront Functions(轻量级):
function handler(event) {
var request = event.request;
var headers = request.headers;
// 在边缘添加安全头
var response = {
statusCode: 200,
statusDescription: 'OK',
headers: {
'strict-transport-security': { value: 'max-age=31536000' },
'content-security-policy': { value: "default-src 'self'" },
'x-content-type-options': { value: 'nosniff' },
'x-frame-options': { value: 'DENY' }
}
};
return response;
}
Lambda@Edge(完整计算):
exports.handler = async (event) => {
const request = event.Records[0].cf.request;
// 边缘个性化
const userAgent = request.headers['user-agent'][0].value;
const isMobile = /Mobile|Android/.test(userAgent);
if (isMobile) {
request.uri = request.uri.replace(/\.html$/, '.mobile.html');
}
return request;
};
常见边缘计算模式
前端开发者经常在边缘实现这些模式。
模式1:边缘个性化
无需源往返即可提供个性化内容:
// 个性化的Vercel边缘中间件
import { NextResponse } from 'next/server';
import type { NextRequest } from 'next/server';
export async function middleware(request: NextRequest) {
const response = NextResponse.next();
// 获取个性化上下文
const country = request.geo?.country || 'US';
const city = request.geo?.city || 'Unknown';
const userAgent = request.headers.get('user-agent') || '';
// 确定内容变体
const isMobile = /Mobile|Android|iPhone/.test(userAgent);
const locale = getPreferredLocale(request.headers.get('accept-language'));
const currency = getCurrencyForCountry(country);
// 为下游使用设置头
response.headers.set('x-personalization', JSON.stringify({
country,
city,
isMobile,
locale,
currency
}));
// 重写到个性化内容
if (request.nextUrl.pathname === '/') {
return NextResponse.rewrite(
new URL(`/${locale}/home?currency=${currency}`, request.url),
{ headers: response.headers }
);
}
return response;
}
function getPreferredLocale(acceptLanguage: string | null): string {
if (!acceptLanguage) return 'en';
const locales = ['en', 'ja', 'de', 'fr', 'es', 'zh'];
const preferred = acceptLanguage.split(',')[0].split('-')[0];
return locales.includes(preferred) ? preferred : 'en';
}
function getCurrencyForCountry(country: string): string {
const currencyMap: Record<string, string> = {
US: 'USD',
JP: 'JPY',
GB: 'GBP',
DE: 'EUR',
MY: 'MYR'
};
return currencyMap[country] || 'USD';
}
模式2:边缘A/B测试
实现无客户端闪烁的一致A/B测试:
// A/B测试的Cloudflare Worker
interface Env {
EXPERIMENTS_KV: KVNamespace;
}
export default {
async fetch(request: Request, env: Env): Promise<Response> {
const url = new URL(request.url);
// 获取或分配实验桶
const cookies = parseCookies(request.headers.get('cookie'));
let bucket = cookies['ab-experiment'];
if (!bucket) {
// 将新用户分配到实验
const experiment = await env.EXPERIMENTS_KV.get('homepage-v2', 'json') as {
variants: { id: string; weight: number }[];
};
bucket = assignVariant(experiment.variants);
}
// 重写到实验变体
if (url.pathname === '/') {
const variantUrl = new URL(url);
variantUrl.pathname = `/experiments/${bucket}/index.html`;
const response = await fetch(variantUrl);
const modifiedResponse = new Response(response.body, response);
// 设置Cookie以保持一致体验
modifiedResponse.headers.append(
'Set-Cookie',
`ab-experiment=${bucket}; Path=/; Max-Age=2592000; SameSite=Lax`
);
// 为分析跟踪分配
await trackExperimentAssignment(bucket, request);
return modifiedResponse;
}
return fetch(request);
}
};
function assignVariant(variants: { id: string; weight: number }[]): string {
const random = Math.random();
let cumulative = 0;
for (const variant of variants) {
cumulative += variant.weight;
if (random < cumulative) {
return variant.id;
}
}
return variants[0].id;
}
模式3:边缘端包含(ESI)
从边缘缓存的片段组合页面:
// ESI风格组合的边缘函数
export async function onRequest(context: EventContext) {
const url = new URL(context.request.url);
if (url.pathname.startsWith('/product/')) {
// 并行获取页面组件
const [header, productContent, recommendations, footer] = await Promise.all([
fetchCachedFragment('/fragments/header'),
fetchProductContent(url.pathname),
fetchPersonalizedRecommendations(context.request),
fetchCachedFragment('/fragments/footer')
]);
// 组合最终HTML
const html = `
<!DOCTYPE html>
<html>
<head>
<title>${productContent.title}</title>
</head>
<body>
${header}
<main>${productContent.html}</main>
<aside>${recommendations}</aside>
${footer}
</body>
</html>
`;
return new Response(html, {
headers: {
'content-type': 'text/html',
'cache-control': 'public, max-age=60, stale-while-revalidate=300'
}
});
}
return context.next();
}
async function fetchCachedFragment(path: string): Promise<string> {
// 片段在边缘缓存1小时
const response = await fetch(`https://origin.com${path}`, {
cf: { cacheTtl: 3600 }
});
return response.text();
}
async function fetchPersonalizedRecommendations(request: Request): Promise<string> {
// 基于Cookie/地理位置的个性化内容
const userId = getCookie(request, 'user_id');
const country = request.cf?.country || 'US';
const response = await fetch(
`https://api.origin.com/recommendations?user=${userId}&country=${country}`
);
const data = await response.json();
return renderRecommendations(data);
}
模式4:边缘认证
在请求到达源之前在边缘验证认证:
// 边缘JWT验证
import { jwtVerify } from 'jose';
interface Env {
JWT_SECRET: string;
}
export default {
async fetch(request: Request, env: Env): Promise<Response> {
const url = new URL(request.url);
// 跳过公共路由的认证
if (isPublicRoute(url.pathname)) {
return fetch(request);
}
// 提取并验证JWT
const authHeader = request.headers.get('authorization');
if (!authHeader?.startsWith('Bearer ')) {
return new Response('Unauthorized', { status: 401 });
}
const token = authHeader.slice(7);
try {
const secret = new TextEncoder().encode(env.JWT_SECRET);
const { payload } = await jwtVerify(token, secret);
// 向请求添加用户上下文
const modifiedHeaders = new Headers(request.headers);
modifiedHeaders.set('x-user-id', payload.sub as string);
modifiedHeaders.set('x-user-role', payload.role as string);
const modifiedRequest = new Request(request, {
headers: modifiedHeaders
});
return fetch(modifiedRequest);
} catch (error) {
return new Response('Invalid token', { status: 401 });
}
}
};
function isPublicRoute(pathname: string): boolean {
const publicRoutes = ['/login', '/register', '/api/health', '/public'];
return publicRoutes.some(route => pathname.startsWith(route));
}
模式5:使用Stale-While-Revalidate的智能缓存
在边缘实现智能缓存策略:
// 带智能缓存的Cloudflare Worker
interface Env {
CACHE_KV: KVNamespace;
}
export default {
async fetch(request: Request, env: Env, ctx: ExecutionContext): Promise<Response> {
const cacheKey = new URL(request.url).pathname;
// 尝试从边缘缓存获取
const cached = await env.CACHE_KV.getWithMetadata(cacheKey, 'json');
if (cached.value) {
const metadata = cached.metadata as { expires: number; stale: number };
const now = Date.now();
if (now < metadata.expires) {
// 新鲜缓存命中
return Response.json(cached.value, {
headers: { 'x-cache': 'HIT' }
});
}
if (now < metadata.stale) {
// Stale-while-revalidate
ctx.waitUntil(revalidateCache(request, env, cacheKey));
return Response.json(cached.value, {
headers: { 'x-cache': 'STALE' }
});
}
}
// 缓存未命中 - 从源获取
return revalidateCache(request, env, cacheKey);
}
};
async function revalidateCache(
request: Request,
env: Env,
cacheKey: string
): Promise<Response> {
const response = await fetch(`https://api.origin.com${cacheKey}`);
const data = await response.json();
// 使用TTL元数据存储
const now = Date.now();
await env.CACHE_KV.put(cacheKey, JSON.stringify(data), {
metadata: {
expires: now + 60000, // 新鲜1分钟
stale: now + 300000 // 过期5分钟
}
});
return Response.json(data, {
headers: { 'x-cache': 'MISS' }
});
}
边缘数据存储
边缘计算需要边缘原生数据存储解决方案。
Cloudflare KV
为读取密集型工作负载优化的键值存储:
// 边缘KV操作
interface Env {
USER_PREFERENCES: KVNamespace;
}
export default {
async fetch(request: Request, env: Env): Promise<Response> {
const url = new URL(request.url);
const userId = url.searchParams.get('userId');
if (request.method === 'GET') {
// 读取用户偏好
const prefs = await env.USER_PREFERENCES.get(`user:${userId}`, 'json');
return Response.json(prefs || { theme: 'light', language: 'en' });
}
if (request.method === 'POST') {
// 更新偏好
const body = await request.json();
await env.USER_PREFERENCES.put(`user:${userId}`, JSON.stringify(body), {
expirationTtl: 86400 * 30 // 30天
});
return Response.json({ success: true });
}
return new Response('Method not allowed', { status: 405 });
}
};
Cloudflare Durable Objects
用于实时应用的边缘状态计算:
// 实时协作的Durable Object
export class DocumentRoom {
state: DurableObjectState;
sessions: Map<WebSocket, { userId: string }>;
document: string;
constructor(state: DurableObjectState) {
this.state = state;
this.sessions = new Map();
this.document = '';
}
async fetch(request: Request): Promise<Response> {
const url = new URL(request.url);
if (url.pathname === '/websocket') {
// 处理WebSocket升级
const pair = new WebSocketPair();
const [client, server] = Object.values(pair);
const userId = url.searchParams.get('userId') || 'anonymous';
this.handleSession(server, userId);
return new Response(null, { status: 101, webSocket: client });
}
return new Response('Not found', { status: 404 });
}
handleSession(webSocket: WebSocket, userId: string) {
webSocket.accept();
this.sessions.set(webSocket, { userId });
// 发送当前文档状态
webSocket.send(JSON.stringify({
type: 'sync',
document: this.document,
users: Array.from(this.sessions.values()).map(s => s.userId)
}));
webSocket.addEventListener('message', (event) => {
const message = JSON.parse(event.data as string);
if (message.type === 'edit') {
// 应用编辑并广播
this.document = applyEdit(this.document, message.edit);
this.broadcast({
type: 'edit',
userId,
edit: message.edit
}, webSocket);
}
});
webSocket.addEventListener('close', () => {
this.sessions.delete(webSocket);
this.broadcast({ type: 'user_left', userId });
});
}
broadcast(message: object, exclude?: WebSocket) {
const json = JSON.stringify(message);
for (const [ws] of this.sessions) {
if (ws !== exclude) {
ws.send(json);
}
}
}
}
Deno KV
Deno Deploy内置的键值数据库:
// 用于边缘数据的Deno KV
const kv = await Deno.openKv();
// 原子事务
async function transferBalance(fromId: string, toId: string, amount: number) {
const fromKey = ["balances", fromId];
const toKey = ["balances", toId];
// 原子检查并更新
let success = false;
while (!success) {
const fromEntry = await kv.get<number>(fromKey);
const toEntry = await kv.get<number>(toKey);
const fromBalance = fromEntry.value || 0;
const toBalance = toEntry.value || 0;
if (fromBalance < amount) {
throw new Error("Insufficient balance");
}
const result = await kv.atomic()
.check(fromEntry)
.check(toEntry)
.set(fromKey, fromBalance - amount)
.set(toKey, toBalance + amount)
.commit();
success = result.ok;
}
return { success: true };
}
// 二级索引
async function addUser(user: { id: string; email: string; name: string }) {
await kv.atomic()
.set(["users", user.id], user)
.set(["users_by_email", user.email], user.id)
.commit();
}
async function getUserByEmail(email: string) {
const idEntry = await kv.get<string>(["users_by_email", email]);
if (!idEntry.value) return null;
const userEntry = await kv.get(["users", idEntry.value]);
return userEntry.value;
}
边缘性能优化
用以下优化技巧最大化边缘计算的收益。
流式响应
在内容生成的同时进行流式传输:
// 来自边缘的流式响应
export async function onRequest(context: EventContext): Promise<Response> {
const { readable, writable } = new TransformStream();
const writer = writable.getWriter();
const encoder = new TextEncoder();
// 立即开始流式传输
context.waitUntil((async () => {
// 立即写入HTML头部
await writer.write(encoder.encode(`
<!DOCTYPE html>
<html>
<head><title>Streaming Page</title></head>
<body>
<header>Loading content...</header>
`));
// 主内容一旦可用即流式传输
const mainContent = await fetchMainContent();
await writer.write(encoder.encode(`
<main>${mainContent}</main>
`));
// 流式传输侧边栏
const sidebarContent = await fetchSidebarContent();
await writer.write(encoder.encode(`
<aside>${sidebarContent}</aside>
`));
// 完成页面
await writer.write(encoder.encode(`
</body>
</html>
`));
await writer.close();
})());
return new Response(readable, {
headers: { 'content-type': 'text/html' }
});
}
请求合并
防止缓存未命中时出现惊群效应:
// 边缘请求合并
const inflightRequests = new Map<string, Promise<Response>>();
export async function onRequest(context: EventContext): Promise<Response> {
const cacheKey = context.request.url;
// 检查请求是否已在处理中
const inflight = inflightRequests.get(cacheKey);
if (inflight) {
// 等待已有请求完成
const response = await inflight;
return response.clone();
}
// 发起新请求并保存Promise
const fetchPromise = fetchWithCache(context.request);
inflightRequests.set(cacheKey, fetchPromise);
try {
const response = await fetchPromise;
return response;
} finally {
// 完成后清理
inflightRequests.delete(cacheKey);
}
}
async function fetchWithCache(request: Request): Promise<Response> {
const cache = caches.default;
let response = await cache.match(request);
if (!response) {
response = await fetch(request);
// 缓存成功的响应
if (response.ok) {
const cloned = response.clone();
cloned.headers.set('Cache-Control', 'public, max-age=60');
await cache.put(request, cloned);
}
}
return response;
}
边缘图片优化
在边缘转换和优化图片:
// 边缘图片优化
export async function onRequest(context: EventContext): Promise<Response> {
const url = new URL(context.request.url);
if (!url.pathname.startsWith('/images/')) {
return context.next();
}
// 解析优化参数
const width = parseInt(url.searchParams.get('w') || '0');
const quality = parseInt(url.searchParams.get('q') || '80');
const format = url.searchParams.get('f') || 'auto';
// 根据Accept头判断最佳格式
const accept = context.request.headers.get('accept') || '';
const outputFormat = format === 'auto'
? accept.includes('image/avif') ? 'avif'
: accept.includes('image/webp') ? 'webp'
: 'jpeg'
: format;
// 使用Cloudflare Image Resizing
const imageUrl = `https://origin.com${url.pathname}`;
const response = await fetch(imageUrl, {
cf: {
image: {
width: width || undefined,
quality,
format: outputFormat
}
}
});
// 添加缓存头
const headers = new Headers(response.headers);
headers.set('Cache-Control', 'public, max-age=31536000, immutable');
headers.set('Vary', 'Accept');
return new Response(response.body, {
status: response.status,
headers
});
}
测试边缘函数
边缘代码的全面测试策略。
本地开发
在本地运行边缘函数:
// 用Miniflare本地测试Cloudflare Workers
import { Miniflare } from 'miniflare';
const mf = new Miniflare({
script: `
export default {
async fetch(request, env) {
return new Response('Hello from edge!');
}
}
`,
modules: true,
kvNamespaces: ['MY_KV'],
});
const response = await mf.dispatchFetch('http://localhost/');
console.log(await response.text()); // "Hello from edge!"
单元测试
对边缘函数进行隔离测试:
// 边缘函数的Jest测试
import { unstable_dev } from 'wrangler';
describe('Edge API', () => {
let worker: any;
beforeAll(async () => {
worker = await unstable_dev('src/index.ts', {
experimental: { disableExperimentalWarning: true }
});
});
afterAll(async () => {
await worker.stop();
});
test('returns personalized greeting', async () => {
const response = await worker.fetch('/api/greet?name=World');
const text = await response.text();
expect(response.status).toBe(200);
expect(text).toBe('Hello, World!');
});
test('handles missing parameters', async () => {
const response = await worker.fetch('/api/greet');
const text = await response.text();
expect(text).toBe('Hello, Guest!');
});
});
集成测试
结合真实依赖测试边缘函数:
// 结合KV存储的集成测试
describe('Edge Cache', () => {
let mf: Miniflare;
let kv: any;
beforeEach(async () => {
mf = new Miniflare({
scriptPath: './src/index.ts',
modules: true,
kvNamespaces: ['CACHE']
});
kv = await mf.getKVNamespace('CACHE');
});
test('caches API responses', async () => {
// 第一次请求——缓存未命中
const response1 = await mf.dispatchFetch('http://localhost/api/data');
expect(response1.headers.get('x-cache')).toBe('MISS');
// 第二次请求——缓存命中
const response2 = await mf.dispatchFetch('http://localhost/api/data');
expect(response2.headers.get('x-cache')).toBe('HIT');
// 验证数据已存入KV
const cached = await kv.get('/api/data', 'json');
expect(cached).toBeDefined();
});
});
安全考量
边缘计算带来了独特的安全挑战。
边缘输入校验
校验并清理所有输入:
// 输入校验中间件
export async function middleware(request: NextRequest) {
const url = new URL(request.url);
// 校验查询参数
for (const [key, value] of url.searchParams) {
if (!isValidParameter(key, value)) {
return new Response('Bad Request', { status: 400 });
}
}
// 校验POST/PUT的请求体
if (['POST', 'PUT', 'PATCH'].includes(request.method)) {
try {
const body = await request.json();
if (!validateRequestBody(body)) {
return new Response('Invalid request body', { status: 400 });
}
} catch {
return new Response('Invalid JSON', { status: 400 });
}
}
return NextResponse.next();
}
function isValidParameter(key: string, value: string): boolean {
// 长度限制
if (key.length > 64 || value.length > 1024) return false;
// 字符校验
if (!/^[\w-]+$/.test(key)) return false;
// SQL注入模式
const sqlPatterns = /('|"|;|--|\b(SELECT|INSERT|UPDATE|DELETE|DROP)\b)/i;
if (sqlPatterns.test(value)) return false;
return true;
}
速率限制
在边缘实现速率限制:
// 使用Cloudflare KV的边缘速率限制
interface Env {
RATE_LIMITS: KVNamespace;
}
export default {
async fetch(request: Request, env: Env): Promise<Response> {
const clientIP = request.headers.get('cf-connecting-ip') || 'unknown';
const windowKey = `ratelimit:${clientIP}:${Math.floor(Date.now() / 60000)}`;
// 获取当前计数
const current = await env.RATE_LIMITS.get(windowKey);
const count = current ? parseInt(current) : 0;
// 检查限制(每分钟100次请求)
if (count >= 100) {
return new Response('Rate limit exceeded', {
status: 429,
headers: {
'Retry-After': '60',
'X-RateLimit-Limit': '100',
'X-RateLimit-Remaining': '0'
}
});
}
// 递增计数器
await env.RATE_LIMITS.put(windowKey, String(count + 1), {
expirationTtl: 120 // 2分钟TTL
});
// 处理请求
const response = await fetch(request);
const modifiedResponse = new Response(response.body, response);
modifiedResponse.headers.set('X-RateLimit-Limit', '100');
modifiedResponse.headers.set('X-RateLimit-Remaining', String(99 - count));
return modifiedResponse;
}
};
结论:拥抱边缘优先开发
边缘计算代表了Web开发的未来。随着应用程序要求更低延迟、更高个性化和全球覆盖,边缘计算提供了交付卓越用户体验的架构。
关键要点
- 选择正确的平台:Next.js用Vercel,复杂工作负载用Cloudflare,TypeScript优先开发用Deno
- 边缘优先思考:从一开始就考虑边缘计算来设计应用程序
- 利用边缘数据:为状态边缘应用使用KV存储和Durable Objects
- 优化流式传输:流式响应以提高感知性能
- 彻底测试:本地开发和集成测试至关重要
边缘计算的未来
在2026年及以后,边缘计算将继续发展:
- 边缘AI:在边缘节点运行机器学习推理
- WebAssembly扩展:更多语言编译到边缘平台运行
- 更深集成:前端框架和边缘运行时更紧密耦合
需要边缘开发专业知识?
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准备好将应用程序带到边缘了吗?Web性能的未来是分布式的。
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