package util; public class EscapeUnescape { public static String escape(String src) { int i; char j; StringBuffer tmp = new StringBuffer(); tmp.ensureCapacity(src.length() * 6); for (i = 0; i < src.length(); i++) { j = src.charAt(i); if (Character.is…
<span style="font-size:18px;">public class IpUtil { /** * ip地址转换成16进制long * @param ipString * @return */ public static Long ipToLong(String ipString) { Long[] ip = new Long[4]; int pos1= ipString.indexOf("."); int pos2= ipString.…