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80 lines (72 loc) · 1.92 KB
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package com.rui.pro1.common.utils;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.lang3.StringUtils;
public class IpUtil {
// public static String remoteIp(final HttpServletRequest request) {
// String ip = null;
//
// // if(Env.isProd()){
// final String xff = request.getHeader("X-Forwarded-For");
// if (xff != null) {
// for (final String s : Splitter.on(',').split(xff)) {
// if (ip == null) {
// ip = s;
// break;
// }
// }
// }
// // }
// if (Strings.isNullOrEmpty(ip)) {
// ip = request.getRemoteAddr();
// }
// return ip;
// }
public static String getRemoteIp(HttpServletRequest request) {
String ip = request.getHeader("X-Forwarded-For");
if (StringUtils.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)) {
// 多次反向代理后会有多个ip值，第一个ip才是真实ip
int index = ip.indexOf(",");
if (index != -1) {
return ip.substring(0, index);
} else {
return ip;
}
}
ip = request.getHeader("X-Real-IP");
if (StringUtils.isNotEmpty(ip) && !"unKnown".equalsIgnoreCase(ip)) {
return ip;
}
return request.getRemoteAddr();
}
/**
* 把ip转为10进制长整型
*
* @author 2013-1-21
* @param strip
* @return
*/
public final static long ip2Long(String strip) {
String[] ipArr = strip.split("\\.");
return (Long.parseLong(ipArr[0]) << 24)
+ (Long.parseLong(ipArr[1]) << 16)
+ (Long.parseLong(ipArr[2]) << 8) + Long.parseLong(ipArr[3]);
}
/**
* 把10进制长整型转为ip
*
* @author 2013-1-21
* @param longip
* @return
*/
public final static String long2Ip(long longip) {
StringBuilder sb = new StringBuilder();
sb.append(String.valueOf(longip >>> 24));
sb.append(".");
sb.append(String.valueOf((longip & 0x00ffffff) >>> 16));
sb.append(".");
sb.append(String.valueOf((longip & 0x0000ffff) >>> 8));
sb.append(".");
sb.append(String.valueOf(longip & 0x000000ff));
return sb.toString();
}
}