| | |
| | | |
| | | import java.text.SimpleDateFormat; |
| | | import java.util.Date; |
| | | import java.util.UUID; |
| | | |
| | | /** |
| | | * 订单处理工具类 |
| | |
| | | |
| | | /* 日期 */ |
| | | private static String date; |
| | | |
| | | /** |
| | | * 定义生成原生的UUID随机码 |
| | | * @return |
| | | */ |
| | | public static String getNativeUUID(){ |
| | | return UUID.randomUUID().toString(); |
| | | } |
| | | |
| | | /** |
| | | * 生成32位随机码 |
| | | * @return |
| | | */ |
| | | public static String getRandomCode(){ |
| | | return OrderUtil.getNativeUUID().replaceAll("-", ""); |
| | | } |
| | | |
| | | /** |
| | | * 生成不重复的订单号 【纯数字】 |
| | |
| | | */ |
| | | public static synchronized String getOrderNoForSuffix(String suffix) { |
| | | return getOrderNo() + suffix; |
| | | } |
| | | |
| | | /** |
| | | * 获取给定长度的随机码 |
| | | * @param num |
| | | * @return |
| | | * @throws Exception |
| | | */ |
| | | public static String getRandomCode(Integer num) { |
| | | String str = null; |
| | | if(0 < num){ |
| | | if(num % 32 > 0){ |
| | | Integer s = num / 32; |
| | | Integer l = num % 32; |
| | | StringBuffer sb = new StringBuffer(); |
| | | for(int i = 0; i < s; i++){ |
| | | sb.append(OrderUtil.getRandomCode()); |
| | | } |
| | | sb.append(OrderUtil.getRandomCode().substring(0, l)); |
| | | str = sb.toString(); |
| | | }else if(num % 32 == 0){ |
| | | Integer s = num / 32; |
| | | StringBuffer sb = new StringBuffer(); |
| | | for(int i = 0; i < s; i++){ |
| | | sb.append(OrderUtil.getRandomCode()); |
| | | } |
| | | str = sb.toString(); |
| | | }else{ |
| | | str = OrderUtil.getRandomCode().substring(0, num); |
| | | } |
| | | } |
| | | return str; |
| | | } |
| | | |
| | | public static void main(String[] args) { |