Java将ip字符串转换成整数，javaip字符串整数,/** * @autho

Java将ip字符串转换成整数，javaip字符串整数,/** * @autho

/** * @author SunChong */public class IpUtil {    /**     * 将字符串型ip转成int型ip     * @param strIp     * @return     */    public static int Ip2Int(String strIp){        String[] ss = strIp.split("\\.");        if(ss.length != 4){            return 0;        }        byte[] bytes = new byte[ss.length];        for(int i = 0; i < bytes.length; i++){            bytes[i] = (byte) Integer.parseInt(ss[i]);        }        return byte2Int(bytes);    }    /**     * 将int型ip转成String型ip     * @param intIp     * @return     */    public static String int2Ip(int intIp){        byte[] bytes = int2byte(intIp);        StringBuilder sb = new StringBuilder();        for(int i = 0; i < 4; i++){            sb.append(bytes[i] & 0xFF);            if(i < 3){                sb.append(".");            }        }        return sb.toString();    }    private static byte[] int2byte(int i) {        byte[] bytes = new byte[4];        bytes[0] = (byte) (0xff & i);        bytes[1] = (byte) ((0xff00 & i) >> 8);        bytes[2] = (byte) ((0xff0000 & i) >> 16);        bytes[3] = (byte) ((0xff000000 & i) >> 24);        return bytes;    }    private static int byte2Int(byte[] bytes) {        int n = bytes[0] & 0xFF;        n |= ((bytes[1] << 8) & 0xFF00);        n |= ((bytes[2] << 16) & 0xFF0000);        n |= ((bytes[3] << 24) & 0xFF000000);        return n;    }    public static void main(String[] args) {        String ip1 = "192.168.0.1";        int intIp = Ip2Int(ip1);        String ip2 = int2Ip(intIp);        System.out.println(ip2.equals(ip1));    }}