准备一个cf账号，一个域名并接入
添加一个A记录，随便解析，打开小云朵。
回到首页，点开左边的worker和pages。
根据提示，创建一个应用程序→部署→编辑代码，全选覆盖并保存部署。
addEventListener(‘fetch’, event => {
event.respondWith(handleRequest(event.request))
})
async function handleRequest(request) {
const newUrl = request.url.replace(“https://你的域名/https://”, “https://”)
const response = await fetch(newUrl)
// you may want to add caching headers here to improve performance
// as well as handling errors if the upstream server is down
return response
}
【注意替换域名，要拉的如果是http，则修改域名后面对应的https】
点开刚部署的worker，在触发器→自定义域里添加刚刚的域名。
接着点下面的添加路由，填入刚解析的域名，示范：a.b.com/*，然后保存。
最后测试下，https://域名/https://speed.hetzner.de/100MB.bin
应用场景：拉github，拉civitai/huggingface模型，省去开代理的麻烦。
addEventListener(‘fetch’, event => {
event.respondWith(handleRequest(event.request))
})
async function handleRequest(request) {
let targetUrl = new URL(request.url).pathname.slice(1);
if (targetUrl === ”) {
return new Response(‘Hello, world!’, {status: 200});
}
if (!targetUrl.includes(‘http://’) && !targetUrl.includes(‘https://’)) {
targetUrl = ‘http://’ + targetUrl;
}
try {
const response = await fetch(targetUrl, {headers: request.headers});
const downloadResponse = new Response(response.body, response);
downloadResponse.headers.set(‘Content-Disposition’, ‘attachment’);
return downloadResponse;
} catch (error) {
return new Response(Request to ${targetUrl} failed: ${error}, {status: 502});
}
}