springboot获取访问的ip地址的实现步骤

1、用shiro的方式获取到的是127.0.0.1，或者用request.getRemoteAddr()也会是127.0.0.1（这个与浏览器地址有关）

HttpServletRequest request;
request.getRemoteAddr();

shiro

/**
	 * 获取ip
	 * 
	 * @return
	 */
	private String getIp() {
		Subject subject = SecurityUtils.getSubject();
		String host = subject.getSession().getHost();
		return host;
	}

发现全部是127.0.0.1

2、网上有个兄弟写了一个方法，测试以后发现是可以获取到ip的，在本机上测试成功，地址栏上面输入Ip:port的形式访问。

public static String getIpAddr(HttpServletRequest request) {
		String ipAddress = null;
		try {
			ipAddress = request.getHeader("x-forjavascriptwarded-for");
			if (ipAddress == null || ipAddress.length() == 0 || "un编程客栈known".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();
				if (ipAddress.equals("127.0.0.1")) {
					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IjavascriptP按照','分割
			if (ipAddress != null && ipAddress.length() > 15) { // "***.***.***.***".lengtwww.devze.comh()
				// = 15
				if (ipAddress.indexOf(",") > 0) {
					ipAddress = ipAddress.substring(0, ipAddress.indexOf(","));
				}
			}
		} catch (Exception e) {
			ipAddress = "";
		}
		return ipAddress;
	}

不是在controller调用也是可以的，也就是没有HttpServletRequest request参数情况下：

HttpServletRequest request = ((ServletRequestAttributes) (Requhttp://www.devze.comestContextHolder.currentRequestAttributes())).getRequest();
System.out.println("ip:"+IpUtil.getIpAddr(request));

这样就有ip地址了。

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