Java 获取请求客户端IP地址

来源：互联网发布：先锋编辑软件编辑：程序博客网时间：2024/05/21 04:19
import java.net.UnknownHostException;  import javax.annotation.Resource;  import javax.servlet.http.HttpServletRequest;  import javax.xml.ws.WebServiceContext;  import javax.xml.ws.handler.MessageContext;    @Resource  private WebServiceContext wsContext;    /** * 获取请求来的ips  * @param request * @return */  public String getIpAddr() {  String ipAddress = null;  MessageContext mc = wsContext.getMessageContext();  HttpServletRequest request = (HttpServletRequest) (mc          .get(mc.SERVLET_REQUEST));  ipAddress = request.getHeader("x-forwarded-for");  if (ipAddress == null || ipAddress.length() == 0          || "unknown".equalsIgnoreCase(ipAddress)) {      ipAddress = request.getHeader("Proxy-Client-IP");  }  if (ipAddress == null || ipAddress.length() == 0          || "unknown".equalsIgnoreCase(ipAddress)) {      ipAddress = request.getHeader("WL-Proxy-Client-IP");  }  if (ipAddress == null || ipAddress.length() == 0          || "unknown".equalsIgnoreCase(ipAddress)) {      ipAddress = request.getRemoteAddr();                //这里主要是获取本机的ip,可有可无      if (ipAddress.equals("127.0.0.1")              || ipAddress.endsWith("0:0:0:0:0:0:1")) {          // 根据网卡取本机配置的IP          InetAddress inet = null;          try {              inet = InetAddress.getLocalHost();          } catch (UnknownHostException e) {              e.printStackTrace();          }          ipAddress = inet.getHostAddress();      }    }    // 对于通过多个代理的情况，第一个IP为客户端真实IP,多个IP按照','分割  if (ipAddress != null && ipAddress.length() > 15) { // "***.***.***.***".length()                                                      // = 15      if (ipAddress.indexOf(",") > 0) {          ipAddress = ipAddress.substring(0, ipAddress.indexOf(","));      }  }   //或者这样也行,对于通过多个代理的情况，第一个IP为客户端真实IP,多个IP按照','分割    //return ipAddress!=null&&!"".equals(ipAddress)?ipAddress.split(",")[0]:null;         return ipAddress;  }
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