解决JavaScript中解析RSS的CORS跨域请求问题_解决JavaScript解析RSS的CORS跨域问题

const express = require('express');
const { createProxyMiddleware } = require('http-proxy-middleware');
const app = express();

app.use('/proxy-rss', createProxyMiddleware({
  target: 'https://example.com/rss',
  changeOrigin: true,
  pathRewrite: {
    '^/proxy-rss': '',
  },
  onProxyRes: (proxyRes) => {
    proxyRes.headers['Access-Control-Allow-Origin'] = '*';
  },
}));

app.listen(3000);

fetch('https://api.allorigins.win/get?url=' + encodeURIComponent('https://example.com/feed.xml'))
  .then(res => res.json())
  .then(data => {
    const parser = new DOMParser();
    const rssDoc = parser.parseFromString(data.contents, 'text/xml');
    // 解析XML内容
  });

fetch('https://api.rss2json.com/v1/api.json?rss_url=' + encodeURIComponent('https://example.com/feed.xml'))
  .then(res => res.json())
  .then(feedData => {
    console.log(feedData.items);
  });

export async function getStaticProps() {
  const feed = await parseRSS('https://example.com/feed.xml');
  return { props: { feed } };
}