标签:private import public java false
import java.text.SimpleDateFormat;import java.util.Date;/** * 获取long型唯一ID */public class ID { private static long tmpID = 0; private static boolean tmpIDlocked = false; public static long getId() { long ltime = 0; while (true) { if(tmpIDlocked == false) { tmpIDlocked = true; //当前:(年、月、日、时、分、秒、毫秒)*10000 ltime = Long.valueOf(new SimpleDateFormat("yyMMddhhmmssSSS").format(new Date()).toString()) * 10000; if(tmpID < ltime) { tmpID = ltime; } else { tmpID = tmpID + 1; ltime = tmpID; } tmpIDlocked = false; return ltime; } } } }
标签:private import public java false
原文地址:http://12883930.blog.51cto.com/12873930/1923114