导入依赖(pom.xml)

 <!--整合shiro安全框架-->
    <dependency>
      <groupid>org.apache.shiro</groupid>
      <artifactid>shiro-spring</artifactid>
      <version>1.4.0</version>
    </dependency>
    <!--集成jwt实现token认证-->
    <dependency>
      <groupid>com.auth0</groupid>
      <artifactid>java-jwt</artifactid>
      <version>3.2.0</version>
    </dependency>

创建 shiroconfig 配置类

@configuration
public class shiroconfig {

  /**
   * shirofilterfactorybean
   */
  @bean
  public shirofilterfactorybean getshirofilterfactorybean(@qualifier("securitymanager") defaultwebsecuritymanager defaultwebsecuritymanager) {
    shirofilterfactorybean factorybean = new shirofilterfactorybean();
    //设置安全管理器
    factorybean.setsecuritymanager(defaultwebsecuritymanager);
    // 添加shiro的内置过滤器
    /*
     * anon:无需认证就可以访问
     * authc:必须认证才能访问
     * user:必须拥有 记住我 功能才能用
     * perms:拥有对某个资源的权限能访问
     * role:拥有某个角色权限能访问
     */
    map<string, string> filtermap = new linkedhashmap<>();
    // 放行不需要权限认证的接口
    //放行登录接口
    filtermap.put("/login/**", "anon");
    //放行用户接口
    filtermap.put("/", "anon");       // 网站首页
 
    //认证管理员接口
    filtermap.put("/administrators/**", "authc");
    factorybean.setfilterchaindefinitionmap(filtermap);
    // 设置无权限时跳转的 url
    // 设置登录的请求
    factorybean.setloginurl("/login/tologin");

    return factorybean;
  }

  /**
   * 注入 defaultwebsecuritymanager
   */
  @bean(name = "securitymanager")
  public defaultwebsecuritymanager getdefaultwebsecuritymanager(@qualifier("customrealm") customrealm customrealm) {
    defaultwebsecuritymanager securitymanager = new defaultwebsecuritymanager();
    //关联customrealm
    securitymanager.setrealm(customrealm);
    return securitymanager;
  }

  /**
   * 注入 securitymanager
   */
  @bean
  public customrealm customrealm() {
    return new customrealm();
  }

}

创建密码登录时验证授权 customrealm 类

@component
public class customrealm extends authorizingrealm {

  @autowired
  administratorsservice administratorsservice;

  /*
   * 设置加密方式
   */
  {
    hashedcredentialsmatcher mather = new hashedcredentialsmatcher();
    // 加密方式
    mather.sethashalgorithmname("md5");
    // 密码进行一次运算
    mather.sethashiterations(512);
    this.setcredentialsmatcher(mather);
  }

  /**
   * 授权
   */
  @override
  protected authorizationinfo dogetauthorizationinfo(principalcollection principals) {
    system.out.println("————授权————dogetauthorizationinfo————");

    return null;
  }

  /**
   * 认证
   */
  @override
  protected authenticationinfo dogetauthenticationinfo(authenticationtoken token) throws authenticationexception {
    system.out.println("————认证————dogetauthenticationinfo————");

    usernamepasswordtoken usertoken = (usernamepasswordtoken) token;
    // 连接数据库 查询用户数据
    querywrapper<administrators> wrapper = new querywrapper<>();
    wrapper.eq("username", usertoken.getusername());
    administrators administrators = administratorsservice.getone(wrapper);

    if (administrators == null) {
      return null; // 抛出异常 unknownaccountexception
    }
    // 密码认证,shiro做
    return new simpleauthenticationinfo("", administrators.getpassword(), "");
  }

}

控制层用户密码登录

//用户名登录
  @apioperation(value = "管理员登录", notes = "用户名登录--不进行拦截")
  @postmapping("/dologin")
  public string dologin(@requestparam("username") string username,
             @requestparam("password") string password,
             httpsession session,model model) {
    // 获取当前的用户
    subject subject = securityutils.getsubject();
    // 封装用户的登录数据
    usernamepasswordtoken token = new usernamepasswordtoken(username, password);
    try {
      subject.login(token);
      //保存session会话 管理员名字
      session.setattribute("adname", username);
      return "admin";
    } catch (unknownaccountexception e) {
      model.addattribute("usererror", "用户名错误!请重新输入。");
      return "login";
    } catch (incorrectcredentialsexception ice) {
      model.addattribute("pwerror", "密码错误!请重新输入。");
      return "login";
    }
  }

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