- public class IpUtil {
-
-
- /*验证IP是否属于某个IP段
-
- *
-
- * ipSection IP段(以'-'分隔)
-
- * ip 所验证的IP号码
-
- *
-
- */
-
- public static boolean ipExistsInRange(String ip,String ipSection) {
-
- ipSection = ipSection.trim();
-
- ip = ip.trim();
-
- int idx = ipSection.indexOf('-');
-
- String beginIP = ipSection.substring(0, idx);
-
- String endIP = ipSection.substring(idx + 1);
-
- return getIp2long(beginIP)<=getIp2long(ip) &&getIp2long(ip)<=getIp2long(endIP);
-
- }
-
- public static long getIp2long(String ip) {
-
- ip = ip.trim();
-
- String[] ips = ip.split("\\.");
-
- long ip2long = 0L;
-
- for (int i = 0; i < 4; ++i) {
-
- ip2long = ip2long << 8 | Integer.parseInt(ips[i]);
-
- }
-
- return ip2long;
-
- }
-
- public static long getIp2long2(String ip) {
-
- ip = ip.trim();
-
- String[] ips = ip.split("\\.");
-
- long ip1 = Integer.parseInt(ips[0]);
-
- long ip2 = Integer.parseInt(ips[1]);
-
- long ip3 = Integer.parseInt(ips[2]);
-
- long ip4 = Integer.parseInt(ips[3]);
-
-
-
- long ip2long =1L* ip1 * 256 * 256 * 256 + ip2 * 256 * 256 + ip3 * 256 + ip4;
-
- return ip2long;
-
- }
-
- public static void main(String[] args){
-
- //10.10.10.116 是否属于固定格式的IP段10.10.1.00-10.10.255.255
-
- String ip="10.10.10.116";
-
- String ipSection="10.10.1.00-10.10.255.255";
-
- boolean exists=ipExistsInRange(ip,ipSection);
-
- System.out.println(exists);
-
- System.out.println(getIp2long(ip));
-
- System.out.println(getIp2long2(ip));
-
- }
-
-
- }