/**	 * 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);	}