var ua = request.headers['user-agent'], $ = {};if (/mobile/i.test(ua)) $.Mobile = true;if (/like Mac OS X/.test(ua)) { $.iOS = /CPU( iPhone)? OS ([0-9._]+) like Mac OS X/.exec(ua)[2].replace(/_/g, '.'); $.iPhone = /iPhone/.test(ua); $.iPad = /iPad/.test(ua);}if (/Android/.test(ua)) $.Android = /Android ([0-9.]+)[);]/.exec(ua)[1];if (/webOS//.test(ua)) $.webOS = /webOS/([0-9.]+)[);]/.exec(ua)[1];if (/(Intel|PPC) Mac OS X/.test(ua)) $.Mac = /(Intel|PPC) Mac OS X ?([0-9._]*)[);]/.exec(ua)[2].replace(/_/g, '.') || true;if (/Windows NT/.test(ua)) $.Windows = /Windows NT ([0-9._]+)[);]/.exec(ua)[1];那应该为您工作。只需将其放在响应处理程序中即可。
