package org.ruoyi.common.wechat.web.utils;
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import org.apache.commons.lang3.StringUtils;
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import javax.servlet.http.HttpServletRequest;
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/**
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* @author WesleyOne
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* @create 2018/11/5
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*/
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public class IpUtil {
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/**
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* 获取用户真实IP(在安防或多层代理场景下)
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* @param request
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* @return
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*/
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public static String getRealIp(HttpServletRequest request) {
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String ip = request.getHeader("x-forwarded-for");
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if(StringUtils.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)){
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//多次反向代理后会有多个ip值，第一个ip才是真实ip
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int index = ip.indexOf(",");
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if(index != -1){
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return ip.substring(0,index);
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}
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}
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ip = request.getHeader("X-Real-IP");
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if(StringUtils.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)){
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return ip;
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}
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return request.getRemoteAddr();
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}
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}
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