Node.js
//传入请求HttpRequestfunction getClientIp(req) { return req.headers['x-forwarded-for'] || req.connection.remoteAddress || req.socket.remoteAddress || req.connection.socket.remoteAddress;}
Express
//express框架则简单许多req.ip
意外收获
发现这两种方式获取的ip地址都带有前缀,不知为何,看了眼Express request.js源码,没找到不对的地方。所以用正则表达式处理了下
req.ip.match(/\d+\.\d+\.\d+\.\d+/)
原标题:Node.js、Express框架获取客户端IP地址
关键词:JS