import java.util.UUID; /** * 通过UUID随机生成36位、32位唯一识别码(唯一字符串) * @author 【J.H】 * */ public class Test { public static void main(String[] args) { int i = 0; while (i<10) { String a = UUID.randomUUID().toString(); System.out.println(a); System.out.println(a.length()); String b = a.replaceAll("-",""); System.out.println(b); System.out.println(b.length()); System.out.println("*******************************"); i++; } } }