Java按规则生成唯一编号
public static void main(String[] args) {
String s = new SimpleDateFormat("yyMMdd").format(new Date());
System.out.println(s);
StringBuilder str=new StringBuilder();
str.append(s);
Random random=new Random();
//随机生du成数字，并添加zhi到字符串
// for(int i=0;i<8;i++){
// ((10));
// }
int min=10000000;
int max=99999999;
int sum = random.nextInt(max)%(max-min+1) + min;
str.append(sum);
System.out.println(str);
}