| 提交 | 用户 | age | ||
| 826b66 | 1 | package com.hx.util.code; |
| C | 2 | |
| 3 | import com.hx.util.DateUtil; | |
| 4 | import com.hx.util.StringUtils; | |
| 5 | import org.apache.commons.lang3.RandomStringUtils; | |
| 6 | ||
| 7 | import java.util.Date; | |
| 8 | import java.util.Random; | |
| 9 | ||
| 10 | /**生成编号工具 | |
| 11 | */ | |
| 12 | public class NumberTool { | |
| 13 | ||
| 14 | /**大小写字母*/ | |
| 15 | private static final String LETTER_ARR = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; | |
| 16 | /**大小写字母和数字*/ | |
| 17 | private static final String LETTER_NUMBER = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; | |
| 18 | /**小写字母*/ | |
| 19 | private static final String LETTER_SMALL = "abcdefghijklmnopqrstuvwxyz"; | |
| 20 | /**大写字母*/ | |
| 21 | private static final String LETTER_BIG = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; | |
| 22 | ||
| 23 | ||
| 24 | /**随机获大写字母组合 | |
| 25 | * @param lengrhCount 长度 | |
| 26 | * @return | |
| 27 | */ | |
| 28 | public static String letterBig(long lengrhCount){ | |
| 29 | char[] c = LETTER_BIG.toCharArray(); | |
| 30 | Random random = new Random(); | |
| 31 | ||
| 32 | StringBuilder data = new StringBuilder(); | |
| 33 | for( int i = 0; i < lengrhCount; i ++) { | |
| 34 | data.append(c[random.nextInt(c.length)]); | |
| 35 | } | |
| 36 | return data.toString(); | |
| 37 | } | |
| 38 | ||
| 39 | ||
| 40 | /**随机获小写字母组合 | |
| 41 | * @param lengrhCount 长度 | |
| 42 | * @return | |
| 43 | */ | |
| 44 | public static String letterSmall(long lengrhCount){ | |
| 45 | char[] c = LETTER_SMALL.toCharArray(); | |
| 46 | Random random = new Random(); | |
| 47 | ||
| 48 | StringBuilder data = new StringBuilder(); | |
| 49 | for( int i = 0; i < lengrhCount; i ++) { | |
| 50 | data.append(c[random.nextInt(c.length)]); | |
| 51 | } | |
| 52 | return data.toString(); | |
| 53 | } | |
| 54 | ||
| 55 | ||
| 56 | /**随机获取大小写字母和数字组合 | |
| 57 | * @param lengrhCount 长度 | |
| 58 | * @return | |
| 59 | */ | |
| 60 | public static String letterNumber(long lengrhCount){ | |
| 61 | char[] c = LETTER_NUMBER.toCharArray(); | |
| 62 | Random random = new Random(); | |
| 63 | ||
| 64 | StringBuilder data = new StringBuilder(); | |
| 65 | for( int i = 0; i < lengrhCount; i ++) { | |
| 66 | data.append(c[random.nextInt(c.length)]); | |
| 67 | } | |
| 68 | return data.toString(); | |
| 69 | } | |
| 70 | ||
| 71 | /**随机获取大小写字母组合 | |
| 72 | * @param lengrhCount 长度 | |
| 73 | * @return | |
| 74 | */ | |
| 75 | public static String letterRandom(long lengrhCount){ | |
| 76 | char[] c = LETTER_ARR.toCharArray(); | |
| 77 | Random random = new Random(); | |
| 78 | ||
| 79 | StringBuilder data = new StringBuilder(); | |
| 80 | for( int i = 0; i < lengrhCount; i ++) { | |
| 81 | data.append(c[random.nextInt(c.length)]); | |
| 82 | } | |
| 83 | return data.toString(); | |
| 84 | } | |
| 85 | ||
| 86 | /**随机生成字符串（0-9） | |
| 87 | * @param lengthCount 长度 | |
| 88 | * @return | |
| 89 | */ | |
| 90 | public static String generateCardNo(long lengthCount) { | |
| 91 | Random r=new Random(); | |
| 92 | //定义变长字符串 | |
| 93 | StringBuilder str = new StringBuilder(); | |
| 94 | for(int i=0;i<lengthCount;i++){ | |
| 95 | str.append(r.nextInt(10)); | |
| 96 | } | |
| 97 | return str.toString(); | |
| 98 | } | |
| 99 | ||
| 100 | ||
| 101 | } | |
