Java双重MD5加密实现安全登录

const params = {
    ...this.ruleForm,
    sex: this.ruleForm.sex === '女' ? '0' : '1',
    //设置密码加密(加上固定salt值)
    password: md5(this.ruleForm.password + this.salt)
}
addEmployee(params).then(res => {
    if (res.code === 1) {
        this.$message.success('员工添加成功！')
        if (!st) {
            this.goBack()
        } else {
            this.ruleForm = {
                username: '',
                'name': '',
                'phone': '',
                password: '',
                // 'rePassword': '',/
                'sex': '男',
                'idNumber': ''
            }
        }
    } else {
        this.$message.error(res.msg || '操作失败')
    }
}

/**
* 添加员工
*/
@PostMapping
public R<String> save(@RequestBody Employee employee){
    //生成随机salt值
    String salt = RandomStringUtils.randomAlphanumeric(5);
    //设置随机盐值
    employee.setSalt(salt);
    //设置密码二次加密
    employee.setPassword(DigestUtils.md5DigestAsHex((salt + employee.getPassword()).getBytes()));
 
    boolean save = employeeService.save(employee);
    if(save){
        return R.success("添加成功！");
    }
    return R.error("添加失败！");
}

const params = {
    ...this.loginForm,
    //登录密码加上固定盐值后发送
    password: md5(this.loginForm.password + this.salt),
}
let res = await loginApi(params)
if (String(res.code) === '1') {
    localStorage.setItem('userInfo', JSON.stringify(res.data))
    window.location.href = '/backend/index.html'
} else {
    this.$message.error(res.msg)
    this.loading = false
}

/**
 * 员工登录
 */
@PostMapping("/login")
public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee){
    //1.获取传输过来的加密后的密码值
    String encryPassword = employee.getPassword();
 
    //2.从数据库中获取用户信息
    LambdaQueryWrapper<Employee> lqw = new LambdaQueryWrapper<>();
    lqw.eq(Employee::getUsername,employee.getUsername());
    Employee emp = employeeService.getOne(lqw);
 
    //3.如果没有查询到则返回登陆失败查询结果
    if(emp == null){
        return R.error("没有查询到该用户信息！");
    }
 
    //4.获取注册时保存的随机盐值
    String salt = emp.getSalt();
 
    //5.将页面提交的密码password进行md5二次加密
    String password = DigestUtils.md5DigestAsHex((salt + encryPassword).getBytes());
 
    //6.密码比对，如果不一致则返回登陆失败结果
    if(!emp.getPassword().equals(password)){
        return R.error("密码错误！");
    }
 
    //7.查看员工状态是否可用
    if(emp.getStatus() == 0){
        return R.error("该员工已被禁用！");
    }
    
    //8.登录成功，将员工id存入Session对象并返回登录成功结果
    request.getSession().setAttribute("employee",emp.getId());
    return R.success(emp);
}