java检测http请求的ip地址 Java问题通用解决代码

以后再用到的话，至少能起个参考作用

java实现，struts2的Action中，依赖HttpServletRequest

 

 

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package net.dookoo.web.action;

 

import java.util.Enumeration;

 

import javax.servlet.http.HttpServletRequest;

 

import com.linktong.webframework.action.BaseAction;

 

/**

 * 检测系列操作

 *

 * @author sven

 * @version 1.0（新版本号）

 * @see 参考的JavaDoc

 */

public class CheckAction extends BaseAction {

 

      @Override

      public int getObjCount() {

            // TODO Auto-generated method stub

            return 0;

      }

 

      public String getIpAddrByRequest(HttpServletRequest request) {

            // String ip = request.getHeader("x-forwarded-for");

 

            String ip = null;

            String localIP = "127.0.0.1";

                  

            // 反向代理标识不区分大小写，防止配置问题

            Enumeration enumeration = null;

            

//          enumeration = request.getHeaderNames();

//          System.out.println("header----------------");

//          while (enumeration.hasMoreElements()) {

//                String headerName = (String) enumeration.nextElement();

//                System.out.println(headerName+"-"+request.getHeader(headerName));

//          }

//          System.out.println("header----------------");

            

            enumeration = request.getHeaderNames();

            while (enumeration.hasMoreElements()) {

                  String headerName = (String) enumeration.nextElement();

                  

                  if ("cdn-src-ip".equalsIgnoreCase(headerName)) {

                        ip = request.getHeader(headerName);

//                      System.out.println("headerName:"+headerName);

                        break;

                  }

            }

//          System.out.println("cdn-src-ip:" + ip);

            

            enumeration = request.getHeaderNames();

            if (ip == null || ip.length() == 0 || (ip.equalsIgnoreCase(localIP)) || "unknown".equalsIgnoreCase(ip)) {

                  while (enumeration.hasMoreElements()) {

                        String headerName = (String) enumeration.nextElement();

                        

                        if ("x-forwarded-for".equalsIgnoreCase(headerName)) {

                              ip = request.getHeader(headerName);

//                            System.out.println("headerName:"+headerName);

                              break;

                        }

                  }

            }

//          System.out.println("x-forwarded-for:" + ip);

            

            if (ip == null || ip.length() == 0 || (ip.equalsIgnoreCase(localIP)) || "unknown".equalsIgnoreCase(ip)) {

                  ip = request.getHeader("Proxy-Client-IP");

            }

//          System.out.println("Proxy-Client-IP:" + request.getHeader("Proxy-Client-IP"));

 

            

            if (ip == null || ip.length() == 0 || (ip.equalsIgnoreCase(localIP)) || "unknown".equalsIgnoreCase(ip)) {

                  ip = request.getHeader("WL-Proxy-Client-IP");

            }

//          System.out.println("WL-Proxy-Client-IP:" + request.getHeader("WL-Proxy-Client-IP"));

 

            

            if (ip == null || ip.length() == 0 || (ip.equalsIgnoreCase(localIP)) || "unknown".equalsIgnoreCase(ip)) {

                  ip = request.getRemoteAddr();

            }

//          System.out.println("RemoteAddr:" + request.getRemoteAddr());

 

            return ip;

      }

 

      public String checkAnonymityIP() {

            try {

                  String ipAddr = getIpAddrByRequest(getRequest());

                  this.debugTrace("check", "检测到请求的ip地址为" + ipAddr);

                  // System.out.println(ipAddr);

 

                  getRequest().setAttribute("ipAddr", ipAddr);

            } catch (Throwable e) {

                  this.errorTrace("check", e.getMessage(), e);

                  getRequest().setAttribute(this.ERRORMESSAGE, this.SYSTEMERROR);

                  return this.ERROR;

            }

            return this.SUCCESS;

      }

 

}

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