/**
* 判断ip是否在一个ip段内
*
* @param args
*/
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) {
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);
}