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java獲取登錄者IP和登錄時(shí)間的兩種實(shí)現(xiàn)代碼詳解

更新時(shí)間：2020年07月21日 10:07:10 作者：心寒丶

這篇文章主要介紹了java獲取登錄者IP和登錄時(shí)間的實(shí)現(xiàn)代碼，本文通過(guò)兩種結(jié)合實(shí)例代碼給大家介紹的非常詳細(xì)，對(duì)大家的學(xué)習(xí)或工作具有一定的參考借鑒價(jià)值，需要的朋友可以參考下

第一種直接用java自帶的InetAddress類(lèi)：

import java.net.InetAddress;
import java.text.SimpleDateFormat;
import java.util.Date;
 
 
public class test{
	  public static void main(String[] args) throws Exception{ 
		  InetAddress addr = InetAddress.getLocalHost();   
		  String ip=addr.getHostAddress();//獲得本機(jī)IP  
		  String address=addr.getHostName();//獲得本機(jī)名稱(chēng)  
			Date d = new Date();
			SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
			String dateNowStr = sdf.format(d);
		  System.out.println("IP: "+ip+" Name: "+address+" Time: "+dateNowStr);    
 }
 
}

輸出結(jié)果如下：

第二種根據(jù)Web request請(qǐng)求獲?。?/p>

package demo.login;
 
import ins.framework.web.Struts2Action;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.servlet.http.HttpServletRequest;
import java.net.InetAddress;
 
@SuppressWarnings("serial")
public class LoginAction extends Struts2Action {
 
	public String login() {
		HttpServletRequest request=this.getRequest();
		this.getIpAddress(request);
		return SUCCESS;
	}
 
	public void getIpAddress(HttpServletRequest request) {
		String ip = request.getHeader("x-forwarded-for");
		System.out.println("x-forwarded-for ip: " + ip);
		if (ip != null && ip.length() != 0 && !"unknown".equalsIgnoreCase(ip)) {
			// 多次反向代理后會(huì)有多個(gè)ip值，第一個(gè)ip才是真實(shí)ip
			if( ip.indexOf(",")!=-1 ){
				ip = ip.split(",")[0];
			}
		}
		if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getHeader("Proxy-Client-IP");
			System.out.println("Proxy-Client-IP ip: " + ip);
		}
		if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getHeader("WL-Proxy-Client-IP");
			System.out.println("WL-Proxy-Client-IP ip: " + ip);
		}
		if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getHeader("HTTP_CLIENT_IP");
			System.out.println("HTTP_CLIENT_IP ip: " + ip);
		}
		if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getHeader("HTTP_X_FORWARDED_FOR");
			System.out.println("HTTP_X_FORWARDED_FOR ip: " + ip);
		}
		if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getHeader("X-Real-IP");
			System.out.println("X-Real-IP ip: " + ip);
		}
		if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
			ip = request.getRemoteAddr();
			System.out.println("getRemoteAddr ip: " + ip);
		}
    //獲取本地ip
	  if("0:0:0:0:0:0:0:1".equals(ip)){
			  try {
				  ip = InetAddress.getLocalHost().getHostAddress();
			  } catch (UnknownHostException e) {
				  // TODO Auto-generated catch block
				  e.printStackTrace();
			  }
			  System.out.println("getLocal ip: " + ip);	
		  }
		Date d = new Date();
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		String dateNowStr = sdf.format(d);
		System.out.println("登錄IP: " + ip+"登錄時(shí)間:"+dateNowStr);
	}	
}

本地會(huì)輸出：

服務(wù)器端如下：

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