forked from rongchao/epmet-cloud-rizhao
4 changed files with 37 additions and 49 deletions
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package com.epmet; |
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import com.epmet.commons.tools.constant.StrConstant; |
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/** |
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* desc:随机生成字母 |
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* |
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* @author: LiuJanJun |
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* @date: 2022/3/1 5:16 下午 |
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* @version: 1.0 |
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*/ |
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public class StringRandomUtils { |
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public static String getRandomStr(int length){ |
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String result = StrConstant.EPMETY_STR; |
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//小写字母范围: 97~122
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for (int i = 0; i < length; i++) { |
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int randomNumber = 97 + (int) (Math.random()* (122+1-97)); |
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result += (char)randomNumber; |
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} |
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return result; |
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} |
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public static void main(String[] args) { |
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StringRandomUtils test = new StringRandomUtils(); |
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//测试
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for (int i = 0; i < 1000000; i++) { |
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System.out.println(getRandomStr(5)); |
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} |
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} |
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} |
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