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基于java配置nginx獲取真實(shí)IP代碼實(shí)例

 更新時(shí)間：2020年09月18日 10:01:41   作者：小豬夫  
這篇文章主要介紹了基于java配置nginx獲取真實(shí)IP代碼實(shí)例,文中通過(guò)示例代碼介紹的非常詳細(xì)，對(duì)大家的學(xué)習(xí)或者工作具有一定的參考學(xué)習(xí)價(jià)值,需要的朋友可以參考下

1、java代碼

/** 獲取客戶(hù)端IP */
  public static final String getClientIp(HttpServletRequest request) {
    String ip = request.getHeader("X-Forwarded-For");
    if (StringUtils.isBlank(ip) || "unknown".equalsIgnoreCase(ip)|| "127.0.0.1".equalsIgnoreCase(ip)) {
      ip = request.getHeader("Proxy-Client-IP");
    }
    if (StringUtils.isBlank(ip) || "unknown".equalsIgnoreCase(ip)|| "127.0.0.1".equalsIgnoreCase(ip)) {
      ip = request.getHeader("WL-Proxy-Client-IP");
    }
    if (StringUtils.isBlank(ip) || "unknown".equalsIgnoreCase(ip)|| "127.0.0.1".equalsIgnoreCase(ip)) {
      ip = request.getHeader("X-Real-IP");
    }
    if (StringUtils.isBlank(ip) || "unknown".equalsIgnoreCase(ip)|| "127.0.0.1".equalsIgnoreCase(ip)) {
      ip = request.getRemoteAddr();
    }
    if (StringUtils.isBlank(ip) ||"127.0.0.1".equals(ip)|| ip.indexOf(":") > -1) {
      try {
        ip = InetAddress.getLocalHost().getHostAddress();
      } catch (UnknownHostException e) {
        ip = null;
      }
    }
    // 對(duì)于通過(guò)多個(gè)代理的情況，第一個(gè)IP為客戶(hù)端真實(shí)IP,多個(gè)IP按照','分割
    if (ip != null && ip.length() > 15) {
      if (ip.indexOf(",") > 0) {
        ip = ip.substring(0, ip.indexOf(","));
      }
    }
    return ip;
  }

2、nginx需要進(jìn)行相應(yīng)修改,重點(diǎn) proxy_set_header

server {
    listen  xxxx;
    server_name 127.0.0.1;
    # 靜態(tài)頁(yè)面目錄
    root   xxxxxxxxxx;
    # 默認(rèn)首頁(yè)
    index   login.html;
    proxy_set_header Host $http_host;       
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header REMOTE-HOST $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

    add_header Access-Control-Allow-Origin *;
    add_header Access-Control-Allow-Methods 'GET,POST';
    add_header Access-Control-Allow-Headers 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization';
    #proxy_cookie_path /* /*;
    client_max_body_size  100m;

    location / {
      proxy_set_header Host $http_host;       
      proxy_set_header X-Real-IP $remote_addr;
      proxy_set_header REMOTE-HOST $remote_addr;
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      
      proxy_set_header Upgrade $http_upgrade;
      proxy_set_header Connection "upgrade";
      add_header Access-Control-Allow-Origin *;
      add_header Access-Control-Allow-Headers 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization';
      add_header Access-Control-Allow-Methods GET,POST,OPTIONS;
      ......
    }
  }

以上就是本文的全部?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持腳本之家。

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