public class IPUtils { /** * ip校验 * @param s * @return Boolean */ public static Boolean isIpAddress(String s){ String regex = "(((2[0-4]\\d)|(25[0-5]))|(1\\d{2})|([1-9]\\d)|(\\d))[.](((2[0-4]\\d)|(25[0-5]))|(1\\d{2})|([1-9]\\d)|(\\d))[.](((2[0-4]\\d)|(25[0-5]))|(1\\d{2})|([1-9]\\d)|(\\d))[.](((2[0-4]\\d)|(25[0-5]))|(1\\d{2})|([1-9]\\d)|(\\d))"; Pattern p = Pattern.compile(regex); Matcher m = p.matcher(s); return m.matches(); } /** * 获取客户端ip * @param request * @return String */ public static String getClientAddress(HttpServletRequest request) { String address = request.getHeader("X-Forwarded-For"); if (address != null &&isIpAddress(address)) { return address; } return request.getRemoteAddr(); } }
java获取ip地址和验证ip是否合法。
java验证ip是否合法和获取HttpServletRequest的ip地址,代码如下。
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转载自zx-code.iteye.com/blog/2197792
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