UUID工具类

import java.util.UUID;

public class Uuid {

	public static String id32() {
		String uuid = UUID.randomUUID().toString();
		uuid = uuid.replaceAll("-", "");
		if (uuid.length() > 32) {
			uuid = uuid.substring(0, 32);
		}
		return uuid;
	}

	public static String toProto(String id32) {
		String one = id32.substring(0, 8);
		String two = id32.substring(8, 12);
		String three = id32.substring(12, 16);
		String four = id32.substring(16, 20);
		String five = id32.substring(20, 32);
		//System.out.println(one + "-" + two + "-" + three + "-" + four + "-" + five);
		return one + "-" + two + "-" + three + "-" + four + "-" + five;
	}
	public static String uuid36(){
		return UUID.randomUUID().toString();
	}
}