Java自定義策略生成隨機密碼

Java生成隨機密碼

背景

有需求需要生成隨機密碼，對密碼長度、大小字母寫個數、數字個數、特殊字符個數有要求，比如：長度爲16，包含至少1個大寫字母1個小寫字母1個數字1個特殊字符。

代碼

randompassword

使用方法

package github.clyoudu.randompassword;

import lombok.extern.slf4j.Slf4j;

/**
 * @author leichen
 * @date 2019/12/2 5:57 下午
 */
@Slf4j
public class RandomPasswordUtilTest {

    public static void main(String[] args) {
        log.info("{}", RandomPasswordUtil.randomPassword(16, 2, 2, 2, 2));//QV6~@9oEHR7umzOr
        log.info("{}", RandomPasswordUtil.randomPassword(16, 2, 2, 2, 2));//R2^8egH3QF%OUg~P
        log.info("{}", RandomPasswordUtil.defaultModelRandomPassword());//f4&8hDebq$&vTV4o
        log.info("{}", RandomPasswordUtil.defaultModelRandomPassword());//QSPUaq9j3~eHw8mK
        log.info("{}", RandomPasswordUtil.randomPassword(8, 1, 1, 1, 1));//2e%v#U0D
        log.info("{}", RandomPasswordUtil.randomPassword(8, 1, 1, 1, 1));//nF*8Cv5b
        log.info("{}", RandomPasswordUtil.randomPassword(8, 1, 1, 0, 1));//22IieW9V
        log.info("{}", RandomPasswordUtil.randomPassword(8, 1, 1, 0, 1));//UVE1SxLP
    }

}