WebScoket获取客户端IP地址 _WebScoket

获取客户端IP地址package com.gmk.kpi.common.utils;import JAVAx.websocket.RemoteEndpoint;import javax.websocket.Session;import java.lang.reflect.Field;import java.net.InetSocketAddress;public class WebsocketUtil {public static InetSocketAddress getRemoteAddress(Session session) {if (session == null) {return null;}RemoteEndpoint.Async async = session.getAsyncRemote();//在Tomcat 8.0.x版本有效//InetSocketAddress addr = (InetSocketAddress) getFieldInstance(async,"base#sos#socketWrApper#socket#sc#remoteAddress");//在Tomcat 8.5以上版本有效InetSocketAddress addr = (InetSocketAddress) getFieldInstance(async,"base#socketWrapper#socket#sc#remoteAddress");return addr;}private static Object getFieldInstance(Object obj, String fieldPath) {String fields[] = fieldPath.split("#");for (String field : fields) {obj = getField(obj, obj.getClass(), field);if (obj == null) {return null;}}return obj;}private static Object getField(Object obj, Class<?> clazz, String fieldName) {for (; clazz != Object.class; clazz = clazz.getSuperclass()) {try {Field field;field = clazz.getDeclaredField(fieldName);field.setAccessible(true);return field.get(obj);} catch (Exception ignore) {}}return null;}}调用方式 @OnOpen public synchronized void onOpen(Session session) {this.userService = WsApplicationContextAware.getApplicationContext().getBean(SysUserService.class);addOnlineCount();addOnlineUser(session);InetSocketAddress remoteAddress = WebsocketUtil.getRemoteAddress(session);log.error("remoteAddress.getAddress().toString() is {}",remoteAddress.getAddress().toString()); }注意 localhost和ip连接的区别