cloudflare文档

举列子，获取访问者的ip地址，城市，区域。直接将此代码放到 cloudflare worker 中部署即可

JavaScript▼

export default {
  async fetch(request, env, ctx) {
    const ip = request.headers.get('CF-Connecting-IP') || request.headers.get('X-Forwarded-For') || '未知ip';
    const city = request.cf?.city || '未知城市';
    const region = request.cf?.region || '未知区域';

    const html = `
      <!DOCTYPE html>
      <html lang="zh-cn">
      <head>
        <meta charset="UTF-8">
        <title>IP 信息</title>
      </head>
      <body>
        <p>IP 地址: ${ip}</p>
        <p>城市: ${city}</p>
        <p>区域: ${region}</p>
      </body>
      </html>
    `;

    return new Response(html, {
      headers: { 'Content-Type': 'text/html;charset=UTF-8' }
    });
  },
};