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830天前public class IptimeStamp |
{ |
private SimpleDateFormat sdf = null;//定义simpleDateFormat对象 |
private String ip = null;//接受ip地址 |
public IptimeStamp(String ip) |
{ |
try |
{ |
InetAddress addr = InetAddress.getLocalHost(); |
ip = addr.getHostAddress(); |
this.ip = ip; |
} |
catch (UnknownHostException e) |
{ |
e.printStackTrace(); |
} |
} |
public String getIptimeRand()//得到IP地址+时间+三位随机数 |
{ |
StringBuffer buf = new StringBuffer(); |
if(this.ip!=null) |
{ |
String s[] = this.ip.split("\\."); |
for(int i=0;i<s.length;i++) |
{ |
buf.append(this.addZero(s[i],3)); |
} |
} |
buf.append(this.getTimeStamp()); |
Random r = new Random(); |
for(int i=0;i<3;i++) |
{ |
buf.append(r.nextInt(10)); |
} |
return buf.toString(); |
} |
public String addZero(String str,int len) |
{ |
StringBuffer s = new StringBuffer(); |
s.append(str); |
while(s.length()< len) |
{ |
s.insert(0, "0"); |
} |
return s.toString(); |
} |
public String getDate() |
{ |
this.sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS"); |
return this.sdf.format(new Date()); |
} |
public String getTimeStamp() |
{ |
this.sdf = new SimpleDateFormat("yyyyMMddHHmmssSSS"); |
return this.sdf.format(new Date()); |
} |
} |
