Cloudflare Workers 入门与实践：基础介绍与上手指南

# 全局安装 Wrangler
npm install -g wrangler

# 登录 Cloudflare 账户
wrangler login

# 创建一个全新的 Workers 项目
npx create-cloudflare my-worker

# 启动本地开发环境
wrangler dev

# 部署至生产环境
wrangler deploy

export default {
  async fetch(request: Request, env: Env, ctx: ExecutionContext): Promise<Response> {
    const url = new URL(request.url)

    if (url.pathname === '/api/hello') {
      return new Response(JSON.stringify({ message: 'Hello from the edge!' }), {
        headers: { 'Content-Type': 'application/json' },
      })
    }

    return new Response('Not Found', { status: 404 })
  },
}