test4.java

基于struct结构的jsp

package com.ntsky.bbs.service;

/**
 * <p>Title: Ntsky OpenSource BBS</p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: WWW.FM880.COM</p>
 * @author 姚君林
 * @version 1.0
 */

public class Test4 {

    public static void main(String[] args) {
        String ip = "192.168.1.33";
        int i = ip.indexOf(".");
 String ip1 = ip.substring(0, i);
 ip = ip.substring(i + 1, ip.length());
 i = ip.indexOf(".");
 String ip2 = ip.substring(0, i);
 ip = ip.substring(i + 1, ip.length());
 i = ip.indexOf(".");
 String ip3 = ip.substring(0, i);
 String ip4 = ip.substring(i + 1, ip.length());
 long dobuleIp;
 dobuleIp = (long) Integer.valueOf(ip1).intValue() * 256 * 256 * 256 +
     Integer.valueOf(ip2).intValue() * 256 * 256 +
     Integer.valueOf(ip3).intValue() * 256 +
     Integer.valueOf(ip4).intValue();
 System.out.println("dobuleIp = " + dobuleIp);


        /*int i = ip.indexOf(".");
        System.out.println(" i 1 = " + i);
        float dobuleIp = 0 ;
        System.out.println(Float.valueOf("222").intValue()); ;
        while (i > 0) {
            //Float.valueOf(ip.substring(0, i)).intValue() ;
            Integer.parseInt(ip.substring(0, i));
            //(long) Integer.valueOf(ip1).intValue() * 256 * 256 * 256;
            ip = ip.substring(i + 1, ip.length());
            System.out.println(" ip " + ip);
            i = ip.indexOf(".");
            System.out.println(" i "+i+" = " + i);
        }*/
        /*long dobuleIp;
dobuleIp = (long) Integer.valueOf(ip1).intValue() * 256 * 256 * 256 +
    Integer.valueOf(ip2).intValue() * 256 * 256 +
    Integer.valueOf(ip3).intValue() * 256 +
    Integer.valueOf(ip4).intValue();
*/
    }
}