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- package com.simple.utils;
-
- public class RandomUtils {
-
- private static String[] randomValues = new String[]{
- "0","1","2","3","4","5","6","7","8","9",
- "a","b","c","d","e","f","g","h","i","j",
- "k","l","m","n","u","t","s","o","x","v",
- "p","q","r","w","y","z"};
-
- private static String[] randomNums = new String[]{
- "0","1","2","3","4","5","6","7","8","9",
- };
-
- public static String getStr(int lenght) {
- StringBuffer str = new StringBuffer();
- for(int i = 0;i < lenght; i++) {
- Double number=Math.random()*(randomValues.length-1);
- str.append(randomValues[number.intValue()]);
- }
- return str.toString();
- }
-
- public static String getNum(int lenght) {
- StringBuffer str = new StringBuffer();
- for(int i = 0;i < lenght; i++) {
- Double number=Math.random()*(randomNums.length-1);
- str.append(randomNums[number.intValue()]);
- }
- return str.toString();
- }
-
-
- public static void main(String[] args) {
- System.out.println(getStr(32));
- }
-
- }
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