shiro 獲取已經登錄的用戶

//shiro 獲取登錄的用戶信息
TUser user = (TUser)SecurityUtils.getSubject().getPrincipal();

//前提是需要的在登錄的認證的方法中存入已經登錄的用戶如下

 

 代碼如下

@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
    System.out.println("-------身份認證方法--------");
    String userName = (String) authenticationToken.getPrincipal();
    String userPwd = new String((char[]) authenticationToken.getCredentials());
    QueryWrapper<TUser> queryWrapper=new QueryWrapper<>();
    queryWrapper.eq("username",userName);
    TUser one = userService.getOne(queryWrapper);//根據用戶名從數據庫獲取密碼
    if(one==null){
        throw new AccountException("用戶不正確");
    }
   if (!userPwd.equals(one.getPassword() )) {
        throw new IncorrectCredentialsException("密碼不正確");
    }
   //用戶存入shiro 緩存
    SimpleAuthenticationInfo info =new SimpleAuthenticationInfo(one, one.getPassword(),getName());
    return info;
}