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