@Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(DefaultWebSecurityManager defaultWebSecurityManager) {
        // 創(chuàng)建ShiroFilterFactoryBean
        ShiroFilterFactoryBean filterFactoryBean = new ShiroFilterFactoryBean();
        //設(shè)置安全管理器
        filterFactoryBean.setSecurityManager(defaultWebSecurityManager);
        //配置受限資源,index是受限資源，authc
        Map<String, String> map = new HashMap<String, String>();
        // /**代表匹配所有url
        map.put("/**", "authc");
        // /user/login 是可以匿名訪問的也就是公有資源
        map.put("/user/login", "anon");
        filterFactoryBean.setFilterChainDefinitionMap(map);
        // 設(shè)置默認(rèn)認(rèn)證路徑 其實(shí)shiro默認(rèn)的認(rèn)證路徑就是login.jsp
        filterFactoryBean.setLoginUrl("/login.jsp");
        return filterFactoryBean;
    }

public class MyAuthorizationFilter extends RolesAuthorizationFilter {
   @Override
   public boolean isAccessAllowed(ServletRequest request, ServletResponse response, Object mappedValue)
        throws IOException {
    boolean allowed =super.isAccessAllowed(request, response, mappedValue);
    if (!allowed) {
        String method = WebUtils.toHttp(request).getMethod();
        if (StringUtils.equalsIgnoreCase("OPTIONS", method)) {
            return true;
        }
    }
    return allowed;
   }
   @Override
   protected boolean onAccessDenied(ServletRequest request, ServletResponse response) throws IOException {
    HttpServletRequest req = (HttpServletRequest) request;
    HttpServletResponse resp = (HttpServletResponse) response;
    if (req.getMethod().equals(RequestMethod.OPTIONS.name())) {
        resp.setStatus(HttpStatus.OK.value());
        return true;
    }
    // 前端Ajax請求時requestHeader里面帶一些參數(shù)，用于判斷是否是前端的請求
    String ajaxHeader = req.getHeader(CustomSessionManager.AUTHORIZATION);
    if (StringUtils.isNotBlank(ajaxHeader)) {
        // 前端Ajax請求，則不會重定向
        resp.setHeader("Access-Control-Allow-Origin", req.getHeader("Origin"));
        resp.setHeader("Access-Control-Allow-Credentials", "true");
        resp.setContentType("application/json; charset=utf-8");
        resp.setCharacterEncoding("UTF-8");
        PrintWriter out = resp.getWriter();
        String result = "{"MESSAGE":"角色，權(quán)限不足"}";
        out.println(result);
        out.flush();
        out.close();
        return false;
    }
    return super.onAccessDenied(request, response);
   }
}

//Filter工廠，設(shè)置對應(yīng)的過濾條件和跳轉(zhuǎn)條件
    @Bean
    public ShiroFilterFactoryBean shiroFilterFactoryBean(SecurityManager securityManager) {
        ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
        shiroFilterFactoryBean.setSecurityManager(securityManager);
        Map<String, String> map = new HashMap<>();
        //登出
        map.put("/logout", "logout");
        //對所有用戶認(rèn)證
        map.put("/**", "authc");
        //登錄
        log.info("loginUrl:" + loginUrl);
        shiroFilterFactoryBean.setLoginUrl(loginUrl);
//        //首頁
//        shiroFilterFactoryBean.setSuccessUrl("/index");
        //錯誤頁面，認(rèn)證不通過跳轉(zhuǎn)
        shiroFilterFactoryBean.setUnauthorizedUrl("/error");
        shiroFilterFactoryBean.setFilterChainDefinitionMap(map);
        /* 自定義filter注冊 */
        Map<String, Filter> filters = shiroFilterFactoryBean.getFilters();
        //根據(jù)上面列表中的過濾器的名稱配置
        filters.put("roles", new MyAuthorizationFilter());
        return shiroFilterFactoryBean;
    }

// 示例
    //擁有一個角色就可以訪問
    @RequiresRoles(value={"ADMIN","USER"},logical = Logical.OR)
    //擁有所有權(quán)限才可以訪問
    @RequiresPermissions(value={"sys:user:info","sys:role:info"},logical = Logical.AND)

/**
     * 賦予角色和權(quán)限:用戶進(jìn)行權(quán)限驗(yàn)證時 Shiro會去緩存中找,如果查不到數(shù)據(jù),會執(zhí)行這個方法去查權(quán)限,并放入緩存中
     */
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
        SimpleAuthorizationInfo authorizationInfo = new SimpleAuthorizationInfo();
        // 獲取用戶
        User user = (User) principalCollection.getPrimaryPrincipal();
        Integer userId =user.getId();
        // 這里可以進(jìn)行授權(quán)和處理
        Set<String> rolesSet = new HashSet<>();
        Set<String> permsSet = new HashSet<>();
        // 獲取當(dāng)前用戶對應(yīng)的權(quán)限(這里根據(jù)業(yè)務(wù)自行查詢)
        List<Role> roleList = roleMapper.selectRoleByUserId( userId );
        for (Role role:roleList) {
            rolesSet.add( role.getCode() );
            List<Menu> menuList = menuMapper.selectMenuByRoleId( role.getId() );
            for (Menu menu :menuList) {
                permsSet.add( menu.getResources() );
            }
        }
        //將查到的權(quán)限和角色分別傳入authorizationInfo中
        authorizationInfo.setStringPermissions(permsSet);
        authorizationInfo.setRoles(rolesSet);
        log.info("--------------- 賦予角色和權(quán)限成功！ ---------------");
        return authorizationInfo;
    }