从HTTP请求中获取客户IP地址
/**
* 从HTTP请求中获取客户IP地址
*
* @param request http请求
* @return 客户IP地址
*/
public static String getIPAddress( HttpServletRequest request )
{
String ip = request.getHeader( "x-forwarded-for" );
if ( ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase( ip ) )
{
ip = request.getHeader( "Proxy-Client-IP" );
}
if ( ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase( ip ) )
{
ip = request.getHeader( "WL-Proxy-Client-IP" );
}
if ( ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase( ip ) )
{
ip = request.getRemoteAddr();
}
return ip;
}
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