IT修真院·坑乎 | Java(后端),CSS(前端),JavaScript(前端),PM(产品经理),UI(交互设计),QA(测试),Android(安卓APP),iOS(苹果APP),OP(运维),Python(后端)日常在线问答学习平台

使用@Transactional注解，回滚无效

0

1

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

class="cursor-pointer"> 源码

@Transactional(propagation = Propagation.REQUIRED, isolation = Isolation.READ_COMMITTED, rollbackFor = Exception.class)
    @Override
    public boolean saveRolePerms(Role role, List<Long> permissionIds) {
        //新增角色信息
        roleMapper.insertSelective(role);
        int i=10/0;
        Long roleId = role.getId();
        //保存角色和权限的关系
        for (Long permissionId : permissionIds) {
            roleMapper.insertRolePerm(roleId, permissionId);
        }
        return true;
    }

java调用shell脚本失败

0

1

class="cursor-pointer"> 详细描述

list里面怎么添加多个相同的map实例

0

1

class="cursor-pointer"> 详细描述

springboot整合shrio 配置redis 一直报连超时

1

shiro

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

@Configuration
public class ShiroConfig {
    @Value("${spring.redis.shiro.host}")
    private String host;
    @Value("${spring.redis.shiro.port}")
    private int port;
    @Value("${spring.redis.shiro.timeout}")
    private int timeout;
   @Value("${spring.redis.shiro.password}")
    private String password;

@Bean
    public ShiroFilterFactoryBean shiroFilter(SecurityManager securityManager){
        System.out.println("ShiroConfiguration.shirFilter()");
        ShiroFilterFactoryBean shiroFilterFactoryBean =new ShiroFilterFactoryBean();
        shiroFilterFactoryBean.setSecurityManager(securityManager);

Map<String,String> filterChainDefinitionMap = new LinkedHashMap<String,String>();
        //注意过滤器配置顺序 不能颠倒
        //配置退出 过滤器,其中的具体的退出代码Shiro已经替我们实现了，登出后跳转配置的loginUrl
        filterChainDefinitionMap.put("/logout","logout");
        // 配置不会被拦截的链接 顺序判断，在 ShiroConfiguration 中的 shiroFilter 处配置了 /ajaxLogin=anon，意味着可以不需要认证也可以访问
        filterChainDefinitionMap.put("/static/**","anon");
        filterChainDefinitionMap.put("/*.html","anon");
        filterChainDefinitionMap.put("/login","anon");
        filterChainDefinitionMap.put("/ajaxLogin","anon");
        filterChainDefinitionMap.put("/**","authc");
        //配置shiro默认登录界面地址，前后端分离中登录界面跳转应由前端路由控制，后台仅返回json数据
        shiroFilterFactoryBean.setLoginUrl("/unauth");
        //登录成功后要跳转的链接
        shiroFilterFactoryBean.setSuccessUrl("/index");
        //未授权界面
        shiroFilterFactoryBean.setUnauthorizedUrl("/403");

shiroFilterFactoryBean.setFilterChainDefinitionMap(filterChainDefinitionMap);
        return shiroFilterFactoryBean;
    }

/**
     * @Description:  凭证匹配器
     * 密码校验交给Shiro的SimpleAuthenticationInfo进行处理
     * @Author: baiyunzhong
     * @Date: 2019/11/6 10:35
     * @Param: []
     * @Return: org.apache.shiro.authc.credential.HashedCredentialsMatcher
     */
    public HashedCredentialsMatcher hashedCredentialsMatcher(){
        HashedCredentialsMatcher hashedCredentialsMatcher=new HashedCredentialsMatcher();
        //加密使用的散列算法：md5
        hashedCredentialsMatcher.setHashAlgorithmName("md5");
        //散列的次数：11次
        hashedCredentialsMatcher.setHashIterations(11);
        return hashedCredentialsMatcher;
    }

@Bean
    public MyShiroRealm myShiroRealm(){
        MyShiroRealm myShiroRealm=new MyShiroRealm();
        myShiroRealm.setCredentialsMatcher(hashedCredentialsMatcher());
        return myShiroRealm;
    }

@Bean
    public SecurityManager securityManager(){
        DefaultWebSecurityManager securityManager =new DefaultWebSecurityManager();
        securityManager.setRealm(myShiroRealm());
        //自定义session管理，使用redis
        securityManager.setSessionManager(sessionManager());
        // 自定义缓存实现 使用redis
        securityManager.setCacheManager(cacheManager());
        return securityManager;
    }

// 自定义sessionManager
    @Bean
    public SessionManager sessionManager(){
        MySessionManager mySessionManager=new MySessionManager();
        mySessionManager.setSessionDAO(redisSessionDAO());
        return mySessionManager;
    }

/**
     * 配置shiro redisManager
     * <p>
     * 使用的是shiro-redis开源插件
     *
     * @return
     */
    public RedisManager redisManager() {
        RedisManager redisManager = new RedisManager();
        redisManager.setHost(host);
        redisManager.setPort(port);
        // 配置缓存过期时间
        redisManager.setTimeout(1800);
        redisManager.setTimeout(timeout);
        redisManager.setPassword(password);
        return redisManager;
    }

/**
     * cacheManager 缓存 redis实现
     * <p>
     * 使用的是shiro-redis开源插件
     *
     * @return
     */
    @Bean
    public RedisCacheManager cacheManager() {
        RedisCacheManager redisCacheManager = new RedisCacheManager();
        redisCacheManager.setRedisManager(redisManager());
        return redisCacheManager;
    }

/**
     * RedisSessionDAO shiro sessionDao层的实现 通过redis
     * 使用的是shiro-redis开源插件
     */
    @Bean
    public RedisSessionDAO redisSessionDAO() {
        RedisSessionDAO redisSessionDAO = new RedisSessionDAO();
        redisSessionDAO.setRedisManager(redisManager());
        return redisSessionDAO;
    }

/**
     * 开启shiro aop注解支持.
     * 使用代理方式;所以需要开启代码支持;
     * @param securityManager
     * @return
     */
    @Bean
    public AuthorizationAttributeSourceAdvisor authorizationAttributeSourceAdvisor(SecurityManager securityManager) {
        AuthorizationAttributeSourceAdvisor authorizationAttributeSourceAdvisor = new AuthorizationAttributeSourceAdvisor();
        authorizationAttributeSourceAdvisor.setSecurityManager(securityManager);
        return authorizationAttributeSourceAdvisor;
    }

/**
     * 注册全局异常处理
     * @return
     */
    @Bean(name = "exceptionHandler")
    public HandlerExceptionResolver handlerExceptionResolver() {
        return new MyExceptionHandler();
    }

// 自动创建代理，没有这个鉴权可能会出错
    @Bean
    public DefaultAdvisorAutoProxyCreator getDefaultAdvisorAutoProxyCreator() {
        DefaultAdvisorAutoProxyCreator autoProxyCreator = new DefaultAdvisorAutoProxyCreator();
        autoProxyCreator.setProxyTargetClass(true);
        return autoProxyCreator;
    }
}

需要为多个查询写不同的sql吗

0

1

复盘踩坑

class="cursor-pointer"> 详细描述

在复盘项目中如果使用shiro，是使用注解配置还是使用xml文件配置

0

1

shiro

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 错误截图

shiro 整合 JWT 报错

0

1

shiro

class="cursor-pointer"> 详细描述

class="cursor-pointer"> 源码

@Configuration
public class ShiroConfig {
    @Bean
    public ShiroFilterFactoryBean shirFilter(SecurityManager securityManager) {
        ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();


        // 必须设置 SecurityManager
        shiroFilterFactoryBean.setSecurityManager(securityManager);
        // setLoginUrl 如果不设置值，默认会自动寻找Web工程根目录下的"/login.jsp"页面 或 "/login" 映射
        shiroFilterFactoryBean.setLoginUrl("/notLogin");
        // 设置无权限时跳转的 url;
        shiroFilterFactoryBean.setUnauthorizedUrl("/notRole");

        // 设置拦截器
        Map<String, String> filterChainDefinitionMap = new LinkedHashMap<>();
        //游客，开发权限
        filterChainDefinitionMap.put("/guest/**", "anon");
        //用户，需要角色权限 “user”
        filterChainDefinitionMap.put("/user/**", "roles[user]");
        //管理员，需要角色权限 “admin”
        filterChainDefinitionMap.put("/admin/**", "roles[admin]");
        //开放登陆接口
        filterChainDefinitionMap.put("/login", "anon");
        //其余接口一律拦截
        //主要这行代码必须放在所有权限设置的最后，不然会导致所有 url 都被拦截
        filterChainDefinitionMap.put("/**", "authc");

        shiroFilterFactoryBean.setFilterChainDefinitionMap(filterChainDefinitionMap);
        System.out.println("Shiro拦截器工厂类注入成功");
        return shiroFilterFactoryBean;
    }


    @Bean
    public SecurityManager securityManager() {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        // 设置realm.
        securityManager.setRealm(customRealm());
        return securityManager;
    }


    @Bean
    public CustomRealm customRealm() {
        return new CustomRealm();
    }


}

hibernate怎么删除啊

0

1

hibernate

class="cursor-pointer"> 详细描述

如何使用docker部署我们的项目

0

1

知识扩展

class="cursor-pointer"> 详细描述

put请求被拦截

0

1

复盘踩坑

class="cursor-pointer"> 详细描述