生成订单号工具类

public class OrderNoUtil {/*** 获取订单号* @return*/public static String getOrderNo() {SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");String newDate = sdf.format(new Date());String result = "";Random random = new Random();for (int i = 0; i < 3; i++) {result += random.nextInt(10);}return newDate + result;}}