用户角色权限查询添加bug集锦 用户密码加密 MD5 加盐 随机盐 spring的加密bcrypt

package cn.itcast.encode;

import org.apache.commons.lang3.RandomStringUtils;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.util.DigestUtils;

import java.io.UnsupportedEncodingException;

public class MD5Demo {
    public static void main(String[] args) throws UnsupportedEncodingException {
//        String password = "liu123";
//        String password = "mozq123";
        String password = "liubei123";
//        String s = DigestUtils.md5DigestAsHex(password.getBytes());

        //进行加盐
//        String salt = "mozq";

        //生成随机盐值
//        String salt = RandomStringUtils.random(10);
//        String salt = RandomStringUtils.randomAlphabetic(10);
        String salt = RandomStringUtils.randomAlphabetic(5, 8);
        System.out.println(salt);
        System.out.println(salt.length());

        String passwordSalt = salt + password;
        //获取MD5加密工具，进行加密
//        String s = DigestUtils.md5DigestAsHex(passwordSalt.getBytes());


        /*
            Spring给出的加密解决方案
         */
        BCryptPasswordEncoder encoder = new BCryptPasswordEncoder();
            String s = encoder.encode(password);
        //$2a$10$RcVrPsuSd3BPiBWdXF.ncO96Ls99VSIY92zZ0.z7F6jFPmjsRzaOC
        //$2a$10$M.fk6zjeH/7By7Krcem0u.wWsdSiorJ2do98QLZJjssUWwx2eCfeW
        System.out.println(s);
        System.out.println(s.length());
    }
}