- 处理ip聚、拆、起、终、区间计算等工具类
- maven依赖
<dependency><groupId>com.alibaba</groupId><artifactId>fastjson</artifactId><version>1.2.70</version></dependency><dependency><groupId>org.apache.commons</groupId><artifactId>commons-lang3</artifactId><version>3.8.1</version></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency>
package com.utils;import java.io.Serializable;import com.alibaba.fastjson.JSONObject;
@SuppressWarnings("serial")
public class Interval implements Serializable, Comparable<Interval> {long start, end;String ipStart;String ipEnd;String ips;long size;public String getIpStart() {return ipStart;}public void setIpStart(String ipStart) {this.ipStart = ipStart;}public String getIpEnd() {return ipEnd;}public void setIpEnd(String ipEnd) {this.ipEnd = ipEnd;}public long getSize() {return size;}public void setSize(long size) {this.size = size;}public String getIps() {return ips;}public void setIps(String ips) {this.ips = ips;}public Interval(long start, long end) {this.start = start;this.end = end;}public Interval(String ipStart,String ipEnd,long start, long end) {this.start = start;this.end = end;this.ipStart = ipStart;this.ipEnd = ipEnd;this.size = end -start +1;}public Interval() {}public long getStart() {return start;}public void setStart(long start) {this.start = start;}public long getEnd() {return end;}public void setEnd(long end) {this.end = end;}@Overridepublic String toString(){JSONObject obj = new JSONObject();obj.put("start", this.getStart());obj.put("end", this.getEnd());obj.put("ipStart", this.getIpStart());obj.put("ipEnd", this.getIpEnd());return obj.toString();}/*@Overridepublic int compareTo(Interval o) {Long it = this.start - o.start;int i = it.intValue();return i;} bak*/@Overridepublic int compareTo(Interval o) {if (this.start > o.start)return 1;if (this.start < o.start)return -1;if (this.end > o.end)return 1;if (this.end < o.end)return -1;return 0;}}
package com.utils;import com.exception.MyException;
import org.apache.commons.lang3.StringUtils;import javax.servlet.http.HttpServletRequest;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import java.util.stream.Stream;/**
* IP工具类
*
* @author bl
* @email kutekute00@gmail.com
*
*/
public class IpUtil {//192.168.1.1/24private static final String maskStr = "(((1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])|([1-9][0-9])|([0-9]))\\.){3}((1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])|([1-9][0-9])|([0-9]))\\/(\\d|([1,2]\\d)|(3[0-2]))";//102.168.1.1-255private static final String rangStr = "(((1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])|([1-9][0-9])|([0-9]))\\.){3}((1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])|([1-9][0-9])|([0-9]))-((1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])|([1-9][0-9])|([0-9]))";//192.168.1.1private static final String ipStr = "(((1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])|([1-9][0-9])|([0-9]))\\.){3}((1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])|([1-9][0-9])|([0-9]))";//102.168.1.1-102.168.8.254private static final String startAndEndStr = "(((1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])|([1-9][0-9])|([0-9]))\\.){3}((1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])|([1-9][0-9])|([0-9]))-(((1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])|([1-9][0-9])|([0-9]))\\.){3}((1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])|([1-9][0-9])|([0-9]))";private static final String[] STANDARDIPS={"1/24","1-","-254"};private static final String[] SPECIALIPS={"0/24","0-","-255"};/*** 判断ip段是否在指定ip段范围内* @param parentIps* @param childIps* @return* @throws Exception*/public static boolean ipContains (String parentIps,String childIps)throws Exception{List<Interval> parentList = getIpIntervalList(parentIps);List<Interval> childList = getIpIntervalList(childIps);int successNum = 0;if(childList!=null && childList.size()>0){for(Interval child:childList){if(IntervalUtil.contains(parentList, child)){successNum++;}}}if(successNum==childList.size()){return true;}else{return false;}}/*** 判断ip段是否在指定ip段范围内* @param intervalList* @param ips* @return* @throws Exception*/public static boolean ipContains (List<Interval> intervalList, String ips)throws Exception{List<Interval> childList = getIpIntervalList(ips);int successNum = 0;if(childList!=null && childList.size()>0){for(Interval child:childList){if(IntervalUtil.contains(intervalList, child)){successNum++;}else{throw new RuntimeException(child.getIps()+"不在授权扫描的范围内");}}}if(successNum==childList.size()){return true;}else{return false;}}/*** 在指定ip段范围内去除指定IP* @param parentIps* @param childIps* @return* @throws Exception*/public static String ipWipeOut (String parentIps,String childIps)throws Exception{List<Map<String, Object>> parentIpsList = getStartAndEndIpLong(parentIps);List<Map<String, Object>> childIpsList = getStartAndEndIpLong(childIps);List<String> newparentList=new ArrayList<>();List<String> newchildList=new ArrayList<>();for (Map<String, Object> stringObjectMap : parentIpsList) {List<String> iplist = (List<String>) stringObjectMap.get("IPLIST");if (!iplist.isEmpty()){newparentList=Stream.of(iplist,newparentList).flatMap(Collection::stream).distinct().collect(Collectors.toList());}}for (Map<String, Object> stringObjectMap : childIpsList) {List<String> iplist = (List<String>) stringObjectMap.get("IPLIST");if (!iplist.isEmpty()){newchildList=Stream.of(iplist,newchildList).flatMap(Collection::stream).distinct().collect(Collectors.toList());}}for (String s : newchildList) {for (int i = 0; i < newparentList.size(); i++) {if(s.equals(newparentList.get(i))){newparentList.remove(i);i--;}}}String parentIpsStr = StringUtils.join(newparentList.toArray(), ";");List<Interval> resultParent = getIpIntervalList(parentIpsStr);List<Interval> merge = IntervalUtil.merge(resultParent);List<String> tmp2=new ArrayList<>();for (Interval interval : merge) {long start = interval.getStart();long end = interval.getEnd();tmp2.add(start+"-"+end);}String[] objects = (String[])tmp2.toArray(new String[tmp2.size()]);String[] strings = IpsMerge.devideBIp(objects);String join = StringUtils.join(strings, ";");return join;}/*** 判断ip段是否在指定ip段范围内(并不在范围内的列出)* @param intervalList* @param ips* @return* @throws Exception*/public static Set<String> ipContains2(List<Interval> intervalList, String ips) throws Exception {List<Interval> childList = getIpIntervalList(ips);int successNum = 0;Set<String> outIps=new HashSet<>();if(childList!=null && childList.size()>0){for(Interval child:childList){if(IntervalUtil.contains(intervalList, child)){successNum++;}else{outIps.add(child.getIps());}}}if (outIps.size()>0){return outIps;}return null;}public static String ipWipeOut2 (String parentIps,String childIps)throws Exception{List<Map<String, Object>> parentIpsList = getStartAndEndIpLong(parentIps);List<Map<String, Object>> childIpsList = getStartAndEndIpLong(childIps);List<String> newparentList=new ArrayList<>();List<String> newchildList=new ArrayList<>();for (Map<String, Object> stringObjectMap : parentIpsList) {List<String> iplist = (List<String>) stringObjectMap.get("IPLIST");if (!iplist.isEmpty()){newparentList=Stream.of(iplist,newparentList).flatMap(Collection::stream).distinct().collect(Collectors.toList());}}for (Map<String, Object> stringObjectMap : childIpsList) {List<String> iplist = (List<String>) stringObjectMap.get("IPLIST");if (!iplist.isEmpty()){newchildList=Stream.of(iplist,newchildList).flatMap(Collection::stream).distinct().collect(Collectors.toList());}}for (String s : newchildList) {for (int i = 0; i < newparentList.size(); i++) {if(s.equals(newparentList.get(i))){newparentList.remove(i);i--;}}}String parentIpsStr = StringUtils.join(newparentList.toArray(), ";");List<Interval> resultParent = getIpIntervalList(parentIpsStr);List<Interval> merge = IntervalUtil.merge(resultParent);List<String> tmp2=new ArrayList<>();for (Interval interval : merge) {long start = interval.getStart();String ipFromLong = getIpFromLong(start);long end = interval.getEnd();String ipFromLong1 = getIpFromLong(end);tmp2.add(ipFromLong+"-"+ipFromLong1);}String[] objects = (String[])tmp2.toArray(new String[tmp2.size()]);//String[] strings = IpsMerge.devideBIp(objects);String join = StringUtils.join(objects, ";");return join;}// public static void main(String[] args) throws Exception {
// //String s = ipWipeOut2("10.1.0.0/16", "10.1.20.0/24;10.1.30.0/24;10.1.40.0/24;10.1.50.0/24;");
// //String s1 = ipWipeOut2("10.2.0.0/16", "10.2.2.0/24;10.2.4.0/24;10.2.28.0/24;10.2.40.0/24;10.2.52.0/24;10.2.102.0/24;10.2.106.0/24;10.2.108.0/24;10.2.110.0/24;10.2.112.0/24;10.2.114.0/24;10.2.118.0/24;10.2.104.0/24;10.2.116.0/24");
// String s2 = ipWipeOut2("10.3.0.0/16", "10.3.22.0/23;10.3.26.0/24;10.3.36.0/24;10.3.128.0/24;10.3.130.0/24");
//
// //String ipFromLong = getIpFromLong(Long.valueOf("167837696"));
// System.out.println(s2);
// }// public static void main(String[] args) throws Exception {
// String s = ipWipeOut("11.0.34.211-11.0.34.213;11.0.34.215-11.0.34.227", "11.0.34.211;11.0.34.222-223");
// System.out.println(s);
// }// public static void main(String[] args) {String ip="192.168.1.1";String mask="24";System.out.println(parseIpMaskRange(ip, mask).size());;
// try {
// // 本页调试spring未启动，不能调试查询语句List<Map<String,Object>> ipList = new UtilService().getSysRoleIpDetail("029db5a47d7f4d2c960932bb0ac648f9");String ipList = new UtilService().getRoleTaskAble("4c329362bd074af7aeaa6c1a17161744","");getStartAndEndIpLong("192.168.1.1/24");192.168.0.0-192.168.6.254;192.168.0-6.*;192.0-6.*.*;192.*;192.168.8;System.out.println(ipContains("1.11.1.1-11.11.254.145;1.11.1.1-11.11.254.145;","11.11.184.144"));
// List<Interval> list = getIpIntervalList("11.11.184.144;11.11.184.145;11.11.183.140-144;11.11.183.145;");
// System.out.println(IntervalUtil.merge(list));System.out.println(InetAddress.getByName("10.86.14.7/jdtimas/" ));
// } catch (Exception e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// }
// }/*** 获取ipv各段中Ip列表* @param ipv* @return*/@SuppressWarnings("unchecked")public static List<String> getIpListAll(String ipv){List<String> ipListAll = new ArrayList<String>();try{List<Map<String,Object>> listIpMap = getStartAndEndIpLong(ipv);for(Map<String,Object> ipMap : listIpMap){ipListAll.addAll((List<String>)ipMap.get("IPLIST"));}}catch (Exception e) {e.printStackTrace();ipListAll = null;}return ipListAll;}/*** 校验ip地址，注意不是地址段* @param ip* @return*/public static boolean virifyIp(String ip){ip = ip.replaceAll("[\\r\\n\\s]", "");String maskStr = "(((1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])|([1-9][0-9])|([0-9]))\\.){3}((1[0-9][0-9])|(2[0-4][0-9])|(25[0-5])|([1-9][0-9])|([0-9]))";Pattern pattern = Pattern.compile(maskStr);Matcher matcher = pattern.matcher(ip);return matcher.matches();}/*** 获取ip段中的所有ip地址* @param ipv* @return* @throws Exception*/public static List<Interval> getIpIntervalList(String ipv)throws Exception{ipv = ipv.replaceAll("[\\r\\n\\s]", "");List<Interval> list = new ArrayList<Interval>();if(StringUtils.isNotEmpty(ipv)){String ips[] = ipv.split(";");if(ips.length>0){for(String ip : ips){//去掉空格，回车if(StringUtils.isNotEmpty(ip)){List<String> listStr = new ArrayList<String>();listStr.add(maskStr);listStr.add(rangStr);listStr.add(ipStr);listStr.add(startAndEndStr);boolean flag = false;for(int i =0 ;i<listStr.size();i++){String ipRange = listStr.get(i);Pattern pattern = Pattern.compile(ipRange);Matcher matcher = pattern.matcher(ip);if(matcher.matches()){if(i==0){Interval interval = getIpMaskInterval(ip);list.add(interval);flag = true;}else if(i==1){Interval interval = getIpRangeInterval(ip);list.add(interval);flag = true;}else if(i==2){Interval interval = getIpInterval(ip);list.add(interval);flag = true;}else if(i==3){Interval interval = getStartAndEndInterval(ip);list.add(interval);flag = true;}}}if(!flag){throw new RuntimeException("ip段："+ip+"不符合格式要求");}}}}}return list;}// public static void main(String[] args) throws Exception {
// List<Map<String, Object>> startAndEndIpLong = getStartAndEndIpLong("11.0.34.196-220;11.11.54.12/24;11.11.164.114;11.11.184.143-11.11.184.145;");
// List<String> newList=new ArrayList<>();
//
// for (Map<String, Object> stringObjectMap : startAndEndIpLong) {
// List<String> iplist = (List<String>) stringObjectMap.get("IPLIST");
// if (!iplist.isEmpty()){
// newList=Stream.of(iplist,newList).flatMap(Collection::stream).distinct().collect(Collectors.toList());
// }
// }
// System.out.println(newList.toString());
// }
///*** 获取ip段中的所有ip地址* @param ipv* @return* @throws Exception*/public static List<Map<String,Object>> getStartAndEndIpLong(String ipv)throws Exception{//ipv=changeIpToStandard(ipv);ipv = ipv.replaceAll("[\\r\\n\\s]", "");List<Map<String,Object>> list = new ArrayList<Map<String,Object>>();Set<String> ipSet = new HashSet<String>();if(StringUtils.isNotEmpty(ipv)){String ips[] = ipv.split(";");if(ips.length>0){for(String ip : ips){//去掉空格，回车
// ip = ip.replaceAll("\r", "").replaceAll("\n", "").replaceAll(" ", "");if(ipSet.contains(ip)){throw new MyException("REPEAT IP","ip段："+ip+"重复");}else{ipSet.add(ip);}if(StringUtils.isNotEmpty(ip)){List<String> listStr = new ArrayList<String>();listStr.add(maskStr);listStr.add(rangStr);listStr.add(ipStr);listStr.add(startAndEndStr);boolean flag = false;for(int i =0 ;i<listStr.size();i++){String ipRange = listStr.get(i);Pattern pattern = Pattern.compile(ipRange);Matcher matcher = pattern.matcher(ip);if(matcher.matches()){if(i==0){Map<String,Object> map = getSADIpMaskRange(ip);list.add(map);flag = true;}else if(i==1){Map<String,Object> map = getSADIpRange(ip);list.add(map);flag = true;}else if(i==2){Map<String,Object> map = getSADIp(ip);list.add(map);flag = true;}else if(i==3){Map<String,Object> map = getSADStartAndEnd(ip);list.add(map);flag = true;}}}if(!flag){throw new RuntimeException("ip段："+ip+"不符合格式要求");}}}}}return list;}/*** 获取子网掩码方式的ip列表* @param ipv* @return*/public static Map<String,Object> getSADIpMaskRange(String ipv){String ip = ipv.substring(0,ipv.indexOf("/"));String mask = ipv.substring(ipv.indexOf("/")+1,ipv.length());Long start = getBeginIpLong(ip, mask);Long end = getIpFromString(getEndIpStr(ip, mask));Map<String,Object> map = new HashMap<String,Object>();List<String> ipList = parseIpMaskRange(ip,mask);map.put("START", start);map.put("END", end);map.put("SIZE", ipList.size());map.put("IPV", ipv);map.put("IPLIST", ipList);return map;}/*** 获取子网掩码方式的ip区间* @param ipv* @return*/public static Interval getIpMaskInterval(String ipv){String ip = ipv.substring(0,ipv.indexOf("/"));String mask = ipv.substring(ipv.indexOf("/")+1,ipv.length());Long start = getBeginIpLong(ip, mask);Long end = getIpFromString(getEndIpStr(ip, mask));Interval interval = new Interval(start,end);interval.setIps(ipv);return interval;}/*** 获取ip段方式的ip列表* @param ipv* @return*/public static Map<String,Object> getSADIpRange(String ipv){//结束位String endStr = ipv.substring(ipv.lastIndexOf("-")+1,ipv.length());//开始位String startStr = ipv.substring(ipv.lastIndexOf(".")+1,ipv.lastIndexOf("-"));int endInt = Integer.valueOf(endStr);int startInt = Integer.valueOf(startStr);String ipHead = ipv.substring(0,ipv.lastIndexOf("."));List<String> ipList = new ArrayList<String>();for(int i = startInt;i<=endInt;i++){String ip = ipHead+"."+String.valueOf(i);ipList.add(ip);}Long start = getIpFromString(ipHead+"."+startStr);Long end = getIpFromString(ipHead+"."+endStr);Map<String,Object> map = new HashMap<String,Object>();if (start>end){Long tmp=start;start=end;end=tmp;}map.put("START", start);map.put("END", end);map.put("IPV", ipv);map.put("SIZE", ipList.size());map.put("IPLIST", ipList);return map;}/*** 获取ip段方式的ipInterval* @param ipv* @return*/public static Interval getIpRangeInterval(String ipv){//结束位String endStr = ipv.substring(ipv.lastIndexOf("-")+1,ipv.length());//开始位String startStr = ipv.substring(ipv.lastIndexOf(".")+1,ipv.lastIndexOf("-"));int endInt = Integer.valueOf(endStr);int startInt = Integer.valueOf(startStr);String ipHead = ipv.substring(0,ipv.lastIndexOf("."));List<String> ipList = new ArrayList<String>();for(int i = startInt;i<=endInt;i++){String ip = ipHead+"."+String.valueOf(i);ipList.add(ip);}Long start = getIpFromString(ipHead+"."+startStr);Long end = getIpFromString(ipHead+"."+endStr);Interval interval = new Interval(start,end);interval.setIps(ipv);return interval;}/*** 根据起始，截止ip地址，获取ip列表* @param ipv* @return*/public static Map<String,Object> getSADStartAndEnd(String ipv)throws Exception{//结束位String endStr = ipv.substring(ipv.lastIndexOf("-")+1,ipv.length());//开始位String startStr = ipv.substring(0,ipv.lastIndexOf("-"));
// Long start = getIpFromString(startStr);Long end = getIpFromString(endStr);List<String> ipList = new ArrayList<String>();for(Long i = start;i<=end;i++){String ip = getIpFromLong(i);ipList.add(ip);}if (start>end){Long tmp=start;start=end;end=tmp;}Map<String,Object> map = new HashMap<String,Object>();map.put("START", start);map.put("END", end);map.put("IPV", ipv);map.put("SIZE", ipList.size());map.put("IPLIST", ipList);return map;}/*** 根据起始，截止ip地址，获取ipInterval* @param ipv* @return*/public static Interval getStartAndEndInterval(String ipv)throws Exception{//结束位String endStr = ipv.substring(ipv.lastIndexOf("-")+1,ipv.length());//开始位String startStr = ipv.substring(0,ipv.lastIndexOf("-"));
// Long start = getIpFromString(startStr);Long end = getIpFromString(endStr);Interval interval = new Interval(start,end);interval.setIps(ipv);return interval;}/*** 获取单ip列表* @param ipv* @return*/public static Map<String,Object> getSADIp(String ipv){List<String> ipList = new ArrayList<String>();Long start = getIpFromString(ipv);Long end = getIpFromString(ipv);ipList.add(ipv);Map<String,Object> map = new HashMap<String,Object>();map.put("START", start);map.put("END", end);map.put("SIZE", ipList.size());map.put("IPV", ipv);map.put("IPLIST", ipList);return map;}/*** 获取单ip Interval* @param ipv* @return*/public static Interval getIpInterval(String ipv){Long start = getIpFromString(ipv);Long end = getIpFromString(ipv);Interval interval = new Interval(start,end);interval.setIps(ipv);return interval;}public static String getIpRange(List<Map<String,Object>> ipList,String ip){Long ipLong = getIpFromString(ip);String ipRange = "";if(ipList!=null && ipList.size()>0){for(Map<String,Object> ips :ipList){Long start = Long.valueOf(ips.get("START").toString());Long end = Long.valueOf(ips.get("END").toString());String ipv = ips.get("IPV").toString();//ip在一个段内if(ipLong>=start && ipLong<= end){ipRange = ipv;break;}}}return ipRange;}public static List<String> parseIpMaskRange(String ip,String mask){List<String> list=new ArrayList<String>();if ("32".equals(mask)) {list.add(ip);}else{String startIp=getBeginIpStr(ip, mask);String endIp=getEndIpStr(ip, mask);if (!"31".equals(mask)) {String subStart=startIp.split("\\.")[0]+"."+startIp.split("\\.")[1]+"."+startIp.split("\\.")[2]+".";String subEnd=endIp.split("\\.")[0]+"."+endIp.split("\\.")[1]+"."+endIp.split("\\.")[2]+".";//修改startIp=subStart+(Integer.valueOf(startIp.split("\\.")[3]));//修改endIp=subEnd+(Integer.valueOf(endIp.split("\\.")[3]));}list=parseIpRange(startIp, endIp);}return list;}public static List<String> parseIpRange(String ipfrom, String ipto) {List<String> ips = new ArrayList<String>();String[] ipfromd = ipfrom.split("\\.");String[] iptod = ipto.split("\\.");int[] int_ipf = new int[4];int[] int_ipt = new int[4];for (int i = 0; i < 4; i++) {int_ipf[i] = Integer.parseInt(ipfromd[i]);int_ipt[i] = Integer.parseInt(iptod[i]);}for (int A = int_ipf[0]; A <= int_ipt[0]; A++) {for (int B = (A == int_ipf[0] ? int_ipf[1] : 0); B <= (A == int_ipt[0] ? int_ipt[1]: 255); B++) {for (int C = (B == int_ipf[1] ? int_ipf[2] : 0); C <= (B == int_ipt[1] ? int_ipt[2]: 255); C++) {for (int D = (C == int_ipf[2] ? int_ipf[3] : 0); D <= (C == int_ipt[2] ? int_ipt[3]: 255); D++) {ips.add(new String(A + "." + B + "." + C + "." + D));}}}}return ips;}/*** 把long类型的Ip转为一般Ip类型：xx.xx.xx.xx** @param ip* @return*/public static String getIpFromLong(Long ip){String s1 = String.valueOf((ip & 4278190080L) / 16777216L);String s2 = String.valueOf((ip & 16711680L) / 65536L);String s3 = String.valueOf((ip & 65280L) / 256L);String s4 = String.valueOf(ip & 255L);return s1 + "." + s2 + "." + s3 + "." + s4;}/*** 把xx.xx.xx.xx类型的转为long类型的** @param ip* @return*/public static Long getIpFromString(String ip){Long ipLong = 0L;String ipTemp = ip;ipLong = ipLong * 256+ Long.parseLong(ipTemp.substring(0, ipTemp.indexOf(".")));ipTemp = ipTemp.substring(ipTemp.indexOf(".") + 1, ipTemp.length());ipLong = ipLong * 256+ Long.parseLong(ipTemp.substring(0, ipTemp.indexOf(".")));ipTemp = ipTemp.substring(ipTemp.indexOf(".") + 1, ipTemp.length());ipLong = ipLong * 256+ Long.parseLong(ipTemp.substring(0, ipTemp.indexOf(".")));ipTemp = ipTemp.substring(ipTemp.indexOf(".") + 1, ipTemp.length());ipLong = ipLong * 256 + Long.parseLong(ipTemp);return ipLong;}/*** 根据掩码位获取掩码** @param maskBit* 掩码位数，如"28"、"30"* @return*/public static String getMaskByMaskBit(String maskBit){return StringUtils.isEmpty(maskBit) ? "error, maskBit is null !": maskBitMap().get(maskBit);}/*** 根据 ip/掩码位 计算IP段的起始IP 如 IP串 218.240.38.69/30** @param ip* 给定的IP，如218.240.38.69* @param maskBit* 给定的掩码位，如30* @return 起始IP的字符串表示*/public static String getBeginIpStr(String ip, String maskBit){return getIpFromLong(getBeginIpLong(ip, maskBit));}/*** 根据 ip/掩码位 计算IP段的起始IP 如 IP串 218.240.38.69/30** @param ip* 给定的IP，如218.240.38.69* @param maskBit* 给定的掩码位，如30* @return 起始IP的长整型表示*/public static Long getBeginIpLong(String ip, String maskBit){return getIpFromString(ip) & getIpFromString(getMaskByMaskBit(maskBit));}/*** 根据 ip/掩码位 计算IP段的终止IP 如 IP串 218.240.38.69/30** @param ip* 给定的IP，如218.240.38.69* @param maskBit* 给定的掩码位，如30* @return 终止IP的字符串表示*/public static String getEndIpStr(String ip, String maskBit){return getIpFromLong(getEndIpLong(ip, maskBit));}/*** 根据 ip/掩码位 计算IP段的终止IP 如 IP串 218.240.38.69/30** @param ip* 给定的IP，如218.240.38.69* @param maskBit* 给定的掩码位，如30* @return 终止IP的长整型表示*/public static Long getEndIpLong(String ip, String maskBit){long end = getBeginIpLong(ip, maskBit)+ ~getIpFromString(getMaskByMaskBit(maskBit));return end;}/*** 根据子网掩码转换为掩码位 如 255.255.255.252转换为掩码位 为 30** @param netmarks* @return*/public static int getNetMask(String netmarks){StringBuffer sbf;String str;int inetmask = 0, count = 0;String[] ipList = netmarks.split("\\.");for (int n = 0; n < ipList.length; n++){sbf = toBin(Integer.parseInt(ipList[n]));str = sbf.reverse().toString();count = 0;for (int i = 0; i < str.length(); i++){i = str.indexOf('1', i);if (i == -1){break;}count++;}inetmask += count;}return inetmask;}/*** 计算子网大小** 掩码位* @return*/public static int getPoolMax(int maskBit){if (maskBit <= 0 || maskBit >= 32){return 0;}return (int) Math.pow(2, 32 - maskBit) - 2;}private static StringBuffer toBin(int x){StringBuffer result = new StringBuffer();result.append(x % 2);x /= 2;while (x > 0){result.append(x % 2);x /= 2;}return result;}/** 存储着所有的掩码位及对应的掩码 key:掩码位 value:掩码（x.x.x.x）*/private static Map<String, String> maskBitMap(){Map<String, String> maskBit = new HashMap<String, String>();maskBit.put("1", "128.0.0.0");maskBit.put("2", "192.0.0.0");maskBit.put("3", "224.0.0.0");maskBit.put("4", "240.0.0.0");maskBit.put("5", "248.0.0.0");maskBit.put("6", "252.0.0.0");maskBit.put("7", "254.0.0.0");maskBit.put("8", "255.0.0.0");maskBit.put("9", "255.128.0.0");maskBit.put("10", "255.192.0.0");maskBit.put("11", "255.224.0.0");maskBit.put("12", "255.240.0.0");maskBit.put("13", "255.248.0.0");maskBit.put("14", "255.252.0.0");maskBit.put("15", "255.254.0.0");maskBit.put("16", "255.255.0.0");maskBit.put("17", "255.255.128.0");maskBit.put("18", "255.255.192.0");maskBit.put("19", "255.255.224.0");maskBit.put("20", "255.255.240.0");maskBit.put("21", "255.255.248.0");maskBit.put("22", "255.255.252.0");maskBit.put("23", "255.255.254.0");maskBit.put("24", "255.255.255.0");maskBit.put("25", "255.255.255.128");maskBit.put("26", "255.255.255.192");maskBit.put("27", "255.255.255.224");maskBit.put("28", "255.255.255.240");maskBit.put("29", "255.255.255.248");maskBit.put("30", "255.255.255.252");maskBit.put("31", "255.255.255.254");maskBit.put("32", "255.255.255.255");return maskBit;}/*** 根据掩码位获取掩码** @param masks* @return*/public static String getMaskByMaskBit(int masks){String ret = "";if (masks == 1)ret = "128.0.0.0";else if (masks == 2)ret = "192.0.0.0";else if (masks == 3)ret = "224.0.0.0";else if (masks == 4)ret = "240.0.0.0";else if (masks == 5)ret = "248.0.0.0";else if (masks == 6)ret = "252.0.0.0";else if (masks == 7)ret = "254.0.0.0";else if (masks == 8)ret = "255.0.0.0";else if (masks == 9)ret = "255.128.0.0";else if (masks == 10)ret = "255.192.0.0";else if (masks == 11)ret = "255.224.0.0";else if (masks == 12)ret = "255.240.0.0";else if (masks == 13)ret = "255.248.0.0";else if (masks == 14)ret = "255.252.0.0";else if (masks == 15)ret = "255.254.0.0";else if (masks == 16)ret = "255.255.0.0";else if (masks == 17)ret = "255.255.128.0";else if (masks == 18)ret = "255.255.192.0";else if (masks == 19)ret = "255.255.224.0";else if (masks == 20)ret = "255.255.240.0";else if (masks == 21)ret = "255.255.248.0";else if (masks == 22)ret = "255.255.252.0";else if (masks == 23)ret = "255.255.254.0";else if (masks == 24)ret = "255.255.255.0";else if (masks == 25)ret = "255.255.255.128";else if (masks == 26)ret = "255.255.255.192";else if (masks == 27)ret = "255.255.255.224";else if (masks == 28)ret = "255.255.255.240";else if (masks == 29)ret = "255.255.255.248";else if (masks == 30)ret = "255.255.255.252";else if (masks == 31)ret = "255.255.255.254";else if (masks == 32)ret = "255.255.255.255";return ret;}public static String changeIpToStandard(String ips){String ip=ips;for (int i = 0; i < SPECIALIPS.length; i++) {ip=ip.replace(SPECIALIPS[i], STANDARDIPS[i]);}return ip;}/*** wzc add* 将ip掩码段转换IP段* 11.0.0.0/16 转为 11.0.0.0-11.0.255.255*/public static String convertIp(String ip){Interval ipMaskInterval = IpUtils.getIpMaskInterval(ip);String ipFromLong = IpUtils.getIpFromLong(ipMaskInterval.getStart());String ipFromLong1 = IpUtils.getIpFromLong(ipMaskInterval.getEnd());String joinIp = ipFromLong+"-"+ ipFromLong1;return joinIp;}//获取用户ippublic String getClientIp(HttpServletRequest request) {//X-Forwarded-For，不区分大小写String possibleIpStr = request.getHeader("X-Forwarded-For");String remoteIp = request.getRemoteAddr();String clientIp;if (StringUtils.isNotBlank(possibleIpStr) && !"unknown".equalsIgnoreCase(possibleIpStr)) {//可能经过好几个转发流程，第一个是用户的真实ip，后面的是转发服务器的ipclientIp = possibleIpStr.split(",")[0].trim();} else {//如果转发头ip为空，说明是直接访问的，没有经过转发clientIp = remoteIp;}return clientIp;}
}
- 自定义异常类，可以用RuntimeException代替
package com.exception;import java.text.MessageFormat;
import java.util.MissingResourceException;/*** 自定义异常类 by ChenYb date 2019/4/29*/
public class MyException extends RuntimeException {/*** serialVersionUID*/private static final long serialVersionUID = -718639292962381679L;/*** 错误代码,默认为未知错误*/protected String errorCode = "";/*** 错误信息中的参数*/protected String[] errorArgs = null;/*** 兼容纯错误信息，不含error code,errorArgs的情况*/protected String errorMessage = null;/*** 错误信息的i18n ResourceBundle.*/public MyException() {super();}public MyException(String errorMessage) {super(errorMessage);this.errorMessage = errorMessage;this.errorCode = errorMessage;}public MyException(String message, Throwable cause) {super(message, cause);}public MyException(String errorCode, String errorMessage) {super(errorMessage);this.errorCode = errorCode;this.errorMessage = errorMessage;}public MyException(ExceptionEnum ecm) {this.errorCode = ecm.value();}/*** 获得出错信息. 读取i18N properties文件中Error Code对应的message,并组合参数获得i18n的出错信息.*/@Overridepublic String getMessage() {// 如果errorMessage不为空,直接返回出错信息.if (errorMessage != null) {return errorMessage;}// 否则用errorCode查询Properties文件获得出错信息String message = null;try {// message = rb.getString(String.valueOf(errorCode));} catch (MissingResourceException mse) {message = "ErrorCode is: " + errorCode + ", but can't get the message of the Error Code";}// 将出错信息中的参数代入到出错信息中if (errorArgs != null) {message = MessageFormat.format(message, (Object[]) errorArgs);}return message;}/*** @return the errorCode*/public String getErrorCode() {return errorCode;}/*** @param errorCode the errorCode to set*/public void setErrorCode(String errorCode) {this.errorCode = errorCode;}
}