springboot获取访问的ip地址的实现步骤_Java

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-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();
				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ip按照','分割
			if (ipaddress != null && ipaddress.length() > 15) { // "***.***.***.***".length()
				// = 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) (requestcontextholder.currentrequestattributes())).getrequest();
system.out.println("ip:"+iputil.getipaddr(request));

这样就有ip地址了。

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