| 提交 | 用户 | age | ||
| 826b66 | 1 | package com.hx.util; |
| C | 2 | |
| 3 | import java.util.Random; | |
| 4 | ||
| 5 | public class CreateNoTool { | |
| 6 | ||
| 7 | /**获取随机秘钥(数字与大写字母组合) | |
| 8 | * | |
| 9 | * @param y | |
| 10 | * 随机数位数 | |
| 11 | * @return | |
| 12 | */ | |
| 13 | public static String randomKey(Integer y) { | |
| 14 | String[] data = new String[] { | |
| 15 | "0","1","2","3","4","5","6","7","8","9" | |
| 16 | ,"A","B","C","D","E","F","G","H","I","J" | |
| 17 | ,"K","L","M","N","O","P","Q","R","S","T" | |
| 18 | ,"U","V","W","S","Y","Z" | |
| 19 | }; | |
| 20 | String no = ""; | |
| 21 | Random r = new Random(); | |
| 22 | for (int i = 0; i < y; i++) { | |
| 23 | no += data[r.nextInt(data.length-1)]; | |
| 24 | } | |
| 25 | return no; | |
| 26 | } | |
| 27 | ||
| 28 | /**获取随机秘钥(数字) | |
| 29 | * | |
| 30 | * @param y | |
| 31 | * 随机数位数 | |
| 32 | * @return | |
| 33 | */ | |
| 34 | public static String randomKeyNumber(Integer y) { | |
| 35 | String[] data = new String[] { | |
| 36 | "0","1","2","3","4","5","6","7","8","9" | |
| 37 | }; | |
| 38 | String no = ""; | |
| 39 | Random r = new Random(); | |
| 40 | for (int i = 0; i < y; i++) { | |
| 41 | no += data[r.nextInt(data.length-1)]; | |
| 42 | } | |
| 43 | return no; | |
| 44 | } | |
| 45 | ||
| 46 | } | |
