springboot整合shiro

　　　　 <dependency>
            <groupId>org.apache.shiro</groupId>
            <artifactId>shiro-spring-boot-web-starter</artifactId>
            <version>1.4.0</version>
        </dependency>

shiro:
  enabled: true
  loginUrl: /login           #登录地址
  successUrl: /index         #登录成功后跳转地址
  unauthorizedUrl: /unauth   #访问没有权限的页面时跳转的地址

@PostMapping("doLogin")
    public Object doLogin(String username, String password) {
        UsernamePasswordToken token = new UsernamePasswordToken(username, password);
        Subject subject = SecurityUtils.getSubject();
        try {
            subject.login(token);
        } catch (IncorrectCredentialsException ice) {
            return "password error!";
        } catch (UnknownAccountException uae) {
            return "username error!";
        }

        User user = userService.findUserByName(username);
        subject.getSession().setAttribute("user", user);
        return "SUCCESS";
    }

public class MyRealm extends AuthorizingRealm {

    @Autowired
    private LoginService loginService;

    /**
     * 用户认证
     */
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken)
            throws AuthenticationException {
        if (authenticationToken.getPrincipal() == null) {
            return null;
        }
        // 获取用户信息
        String name = authenticationToken.getPrincipal().toString();
        User user = loginService.findByName(name);
        if (user == null) {
            return null; // 这里返回后会报出对应异常

　　　　　　  //也可以根据数据库字段情况，直接返回异常信息
　　　　　　　//throw new UnknownAccountException();
　　　　　　　//throw new LockedAccountException();
           //throw new IncorrectCredentialsException();

        } else {
            // 这里验证authenticationToken和simpleAuthenticationInfo的信息
            SimpleAuthenticationInfo simpleAuthenticationInfo = new SimpleAuthenticationInfo(name, user.getPassword().toString(), getName());
            return simpleAuthenticationInfo;
        }
    }

    /**
     * 角色权限和对应权限添加
     */
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
        // 获取登录用户名
        String name = (String) principalCollection.getPrimaryPrincipal();
        // 查询
        User user = loginService.findByName(name);
        // 添加角色和权限
        SimpleAuthorizationInfo simpleAuthorizationInfo = new SimpleAuthorizationInfo();
        for (Role role : user.getRoles()) {
            // 添加角色
            simpleAuthorizationInfo.addRole(role.getRoleName());
            for (Permission permission : role.getPermissions()) {
                // 添加权限
                simpleAuthorizationInfo.addStringPermission(permission.getPermission());
            }
        }
        return simpleAuthorizationInfo;
    }

}

@Configuration
public class ShiroConfig {
    @Bean
    public MyRealm myRealm() {
        return new MyRealm();
    }
    @Bean
    public DefaultWebSecurityManager securityManager() {
        DefaultWebSecurityManager manager = new DefaultWebSecurityManager();
        manager.setRealm(myRealm());
        return manager;
    }
    @Bean
    public ShiroFilterChainDefinition shiroFilterChainDefinition() {
        DefaultShiroFilterChainDefinition definition = new DefaultShiroFilterChainDefinition();
        definition.addPathDefinition("/doLogin", "anon");
        definition.addPathDefinition("/**", "authc");
        return definition;
    }
}

@Bean
    public ShiroFilterFactoryBean shirFilter(SecurityManager securityManager) {
        ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
        shiroFilterFactoryBean.setSecurityManager(securityManager);

        Map<String, String> filterChainDefinitionMap = new HashMap<String, String>();
        shiroFilterFactoryBean.setLoginUrl("/login");  //配置文件已配置，可删除此行
        shiroFilterFactoryBean.setUnauthorizedUrl("/unauthc"); //配置文件已配置，可删除此行
        shiroFilterFactoryBean.setSuccessUrl("/home/index"); //配置文件已配置，可删除此行
        
        filterChainDefinitionMap.put("/*", "anon");
        filterChainDefinitionMap.put("/authc/index", "authc");
        filterChainDefinitionMap.put("/authc/admin", "roles[admin]");
        filterChainDefinitionMap.put("/authc/renewable", "perms[Create,Update]");
        filterChainDefinitionMap.put("/authc/removable", "perms[Delete]");
        shiroFilterFactoryBean.setFilterChainDefinitionMap(filterChainDefinitionMap);
        return shiroFilterFactoryBean;
    }