问题
最近在写博客浏览量的时候,设计了这么一个逻辑:同一个IP浏览一遍文章,5分钟内不刷新次数。就需要在服务器端得到用户的真实IP,我代码是这样写的(从网上找的方法):
public static String getRealIp(HttpServletRequest request) { String ip = request.getHeader("x-forwarded-for"); String unknown = "unknown"; if (ip == null || ip.length() == 0 || unknown.equalsIgnoreCase(ip)) { ip = request.getHeader("Proxy-Client-IP"); } if (ip == null || ip.length() == 0 || unknown.equalsIgnoreCase(ip)) { ip = request.getHeader("WL-Proxy-Client-IP"); } if (ip == null || ip.length() == 0 || unknown.equalsIgnoreCase(ip)) { ip = request.getHeader("HTTP_CLIENT_IP"); } if (ip == null || ip.length() == 0 || unknown.equalsIgnoreCase(ip)) { ip = request.getHeader("HTTP_X_FORWARDED_FOR"); } if (ip == null || ip.length() == 0 || unknown.equalsIgnoreCase(ip)) { ip = request.getRemoteAddr(); } return ip; }
发现得到的IP总172开头的IP,我查了下是本地局域网的IP,我的项目又是docker布署的,这又记我联想到docker内部的IP。。。
解决办法
最后才发现nginx代理接口的时候,需要做获取IP的配置
location ^~ /api { proxy_pass http://127.0.0.1:8110/; proxy_read_timeout 90; #得到请求真实IP proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header HTTP_X_FORWARDED_FOR $remote_addr; proxy_set_header X-Forwarded-Proto $scheme; proxy_redirect default; }
加上面面的配置,问题解决!
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持自学编程网。
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