package com.doumee.core.utils;
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import java.util.Random;
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/**
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* @Author apple
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* @Date 2018/3/23 12:10
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* @Description:
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* @Modified by:
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*/
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public class CodeVerifyUtils {
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/**
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* 生成指定长度的验证码
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*
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* @param verificationCodeLength
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* @return String
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* @author Q
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* @since 2016-09-6
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*/
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public static final String createVerificationCode(int verificationCodeLength) {
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// 所有候选组成验证码的字符，可以用中文
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String[] verificationCodeArrary = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9"};
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String verificationCode = "";
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Random random = new Random();
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//此处是生成验证码的核心了，利用一定范围内的随机数做为验证码数组的下标，循环组成我们需要长度的验证码，做为页面输入验证、邮件、短信验证码验证都行
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for (int i = 0; i < verificationCodeLength; i++) {
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verificationCode += verificationCodeArrary[random.nextInt(verificationCodeArrary.length)];
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}
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return verificationCode;
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}
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public static String genderCode(int count){
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String str="0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
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StringBuilder sb = new StringBuilder();
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Random r = new Random(System.currentTimeMillis());
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for (int i = 0; i < count; i++) {
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int d =r.nextInt(62);
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sb.append(str.charAt(d));
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}
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return sb.toString();
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}
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public static void main(String[] args) {
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//System.out.println(createVerificationCode(6));
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}
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}
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