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                ## 前言 本文總結一些常用的nodejs技巧,也許對你有很大的幫助。 ## 獲取用戶真實ip 如果是通過nginx做轉發的,那么需要nginx做響應的設置,將遠程的客戶端ip帶到請求頭上 ~~~ location /node { proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; //原請求來源ip 真實ip最可信 proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; //http客戶端或者反向代理生成的ip 可以通過逗號連起來, ip1,ip2,ip3... #proxy_buffering off; proxy_request_buffering off; proxy_pass http://node; } ~~~ node端獲取用戶真實ip地址,一般是在request中獲取其ip地址的。 ~~~ var get_ip = function(req) { var ip = req.headers['x-real-ip'] || req.headers['x-forwarded-for'] || req.socket.remoteAddress || ''; if(ip.split(',').length>0){ ip = ip.split(',')[0]; } return ip; }; ~~~
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