本篇内容介绍了“shiro的配置和使用方法”的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！

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jar:

1.2.3

   org.apache.shiro
   shiro-core
   ${shiro.version}


   org.apache.shiro
   shiro-ehcache
   ${shiro.version}


   org.apache.shiro
   shiro-web
   ${shiro.version}


   org.apache.shiro
   shiro-spring
   ${shiro.version}

自定义自定义Realm：

import com.xmdishi.fmp.model.po.business.BusinessMenuPo;
import com.xmdishi.fmp.model.po.business.BusinessUserPo;
import com.xmdishi.fmp.model.qo.business.BusinessUserQo;
import com.xmdishi.fmp.service.business.BusinessMenuService;
import com.xmdishi.fmp.service.business.BusinessUserService;
import org.apache.shiro.authc.*;
import org.apache.shiro.authc.credential.CredentialsMatcher;
import org.apache.shiro.authc.credential.HashedCredentialsMatcher;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Component;

import java.util.HashSet;
import java.util.List;
import java.util.Set;

/**
 * 自定义Realm
 * @author cjianquan
 * @date 2020/4/6
 * @param
 * @return
 */
@Component
public class CustomRealm extends AuthorizingRealm {
   @Autowired
   private BusinessUserService businessUserService;
   @Autowired
   private BusinessMenuService businessMenuService;


   private static Logger logger=LoggerFactory.getLogger(CustomRealm.class);

   public CustomRealm() {
      logger.info("CustomRealm====================");
   }


   @Override
   public String getName() {
      return "CustomRealm";
   }

   @Bean(name = "credentialsMatcher")
   public HashedCredentialsMatcher credentialsMatcher(){
      HashedCredentialsMatcher credentialsMatcher = new HashedCredentialsMatcher();
      credentialsMatcher.setHashAlgorithmName("md5");
      credentialsMatcher.setHashIterations(1);
      return credentialsMatcher;
   }

   @Override
   public void setCredentialsMatcher(@Qualifier("credentialsMatcher")CredentialsMatcher credentialsMatcher){
      super.setCredentialsMatcher(credentialsMatcher);
   }

   /**
    * realm授权方法 从输入参数principalCollection得到身份信息 根据身份信息到数据库查找权限信息 将权限信息添加给授权信息对象
    * 返回 授权信息对象(判断用户访问url是否在权限信息中没有体现)
    */
   @Override
   protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
      BusinessUserPo user = (BusinessUserPo) principalCollection.getPrimaryPrincipal();

      String roleIds = user.getRoleIds();
      List btnList = null;
      try{
         btnList = businessMenuService.queryBtnsByRoles(roleIds);
      }catch (Exception e){
         e.printStackTrace();
      }
      // 用户权限列表
      Set permsSet = new HashSet();
      if(btnList!=null && btnList.size()>0){
         permsSet.addAll(btnList);
      }
      SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
      info.setStringPermissions(permsSet);
      return info;
   }

   /**
    * 表单认证过滤器认证时会调用自定义Realm的认证方法进行认证，成功回到index.do，再跳转到index.jsp页面
    *
    * 前提：表单认证过滤器收集和组织用户名和密码信息封装为token对象传递给此方法
    *
    * token:封装了身份信息和凭证信息 2步骤：比对身份 信息；比对凭证
    */
   @Override
   protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
      String username = (String) token.getPrincipal();
      String password = new String((char[]) token.getCredentials());

      // 查询用户信息
      BusinessUserQo userQo = new BusinessUserQo();
      userQo.setUserName(username);
      List userList = null;
      BusinessUserPo businessUserPo = null;
      try{
         userList = this.businessUserService.query(userQo);
         if(userList!=null && userList.size()>0){
            businessUserPo = userList.get(0);
         }
      }catch (Exception e){
         e.printStackTrace();
      }

      // 账号不存在
      if (businessUserPo == null ) {
         throw new UnknownAccountException("账号不存在!");
      }
      // 密码错误
      if (!password.equals(businessUserPo.getPassword())) {
         throw new IncorrectCredentialsException("账号或密码不正确!");
      }

      // 账号未分配角色
      if (businessUserPo.getRoleIds() == null ) {
         throw new UnknownAccountException("账号未分配角色!");
      }

      //cjianquan 2020/2/8 登录成功，查询菜单
      try{
         List menuList = this.businessMenuService.queryByRoles(businessUserPo.getRoleIds());
         businessUserPo.setMenuList(menuList);
      }catch (Exception e){
         e.printStackTrace();
      }
      SimpleAuthenticationInfo info = new SimpleAuthenticationInfo(businessUserPo, password, getName());
      return info;
   }
}

web.xml 添加 :

   shiroFilter
   org.springframework.web.filter.DelegatingFilterProxy
   
      targetFilterLifecycle
      true
   
   
   
      targetBeanName
      shiroFilter
   


   shiroFilter
   
   /*

SpringShiroConfig:

import com.xmdishi.fmp.business.shiro.CustomRealm;
import org.apache.shiro.cache.ehcache.EhCacheManager;
import org.apache.shiro.mgt.SecurityManager;
import org.apache.shiro.spring.LifecycleBeanPostProcessor;
import org.apache.shiro.spring.security.interceptor.AuthorizationAttributeSourceAdvisor;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.apache.shiro.web.session.mgt.DefaultWebSessionManager;
import org.springframework.aop.framework.autoproxy.DefaultAdvisorAutoProxyCreator;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.config.MethodInvokingFactoryBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.DependsOn;

import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class SpringShiroConfig {

   @Autowired
   private CustomRealm realm;

   public SpringShiroConfig() {
      System.out.println("SpringShiroConfig init ......");
   }
   @Bean(name = "lifecycleBeanPostProcessor")
   public static LifecycleBeanPostProcessor getLifecycleBeanPostProcessor() {
      return new LifecycleBeanPostProcessor();
   }

   @Bean
   @DependsOn("lifecycleBeanPostProcessor")
   public DefaultAdvisorAutoProxyCreator defaultAdvisorAutoProxyCreator() {
      DefaultAdvisorAutoProxyCreator creator = new DefaultAdvisorAutoProxyCreator();
      creator.setProxyTargetClass(true);
      creator.setUsePrefix(true);
      return creator;
   }


   @Bean
   public MethodInvokingFactoryBean getMethodInvokingFactoryBean(@Qualifier("securityManager")SecurityManager securityManager) {
      MethodInvokingFactoryBean methodInvokingFactoryBean=new MethodInvokingFactoryBean();
      methodInvokingFactoryBean.setStaticMethod("org.apache.shiro.SecurityUtils.setSecurityManager");
      methodInvokingFactoryBean.setArguments(new Object[]{securityManager});
      return methodInvokingFactoryBean;
   }



   //get
   @Bean
   public AuthorizationAttributeSourceAdvisor authorizationAttributeSourceAdvisor(@Qualifier("securityManager")SecurityManager securityManager) {
      AuthorizationAttributeSourceAdvisor authorizationAttributeSourceAdvisor = new AuthorizationAttributeSourceAdvisor();
      authorizationAttributeSourceAdvisor.setSecurityManager(securityManager);
      return authorizationAttributeSourceAdvisor;
   }


   //get
   @Bean(name = "shiroFilter")
   public ShiroFilterFactoryBean shiroFilterFactoryBean(@Qualifier("securityManager")SecurityManager securityManager){
      ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
      shiroFilterFactoryBean.setLoginUrl("/index.jsp");
      shiroFilterFactoryBean.setSuccessUrl("/index.jsp");
      shiroFilterFactoryBean.setUnauthorizedUrl("/index.jsp");
      shiroFilterFactoryBean.setSecurityManager(securityManager);

      loadShiroFilterChain(shiroFilterFactoryBean);

      return shiroFilterFactoryBean;

   }

   //get
   @Bean(name = "sessionManager")
   public DefaultWebSessionManager sessionManager(){
      DefaultWebSessionManager sessionManager = new DefaultWebSessionManager();
      sessionManager.setGlobalSessionTimeout(86400000);
      sessionManager.setDeleteInvalidSessions(true);
      return sessionManager;
   }

   //get
   @Bean(name = "shiroCacheManager")
   public EhCacheManager shiroCacheManager(){
      EhCacheManager shiroCacheManager = new EhCacheManager();
      shiroCacheManager.setCacheManagerConfigFile("classpath:shiro-ehcache.xml");
      return shiroCacheManager;
   }

   //get
   @Bean(name = "securityManager")
   public DefaultWebSecurityManager securityManager(@Qualifier("shiroCacheManager") EhCacheManager shiroCacheManager,
                                        @Qualifier("sessionManager") DefaultWebSessionManager sessionManager) {
      DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
      securityManager.setRealm(realm);
      securityManager.setCacheManager(shiroCacheManager);
      securityManager.setSessionManager(sessionManager);
      return securityManager;
   }

   //get
   private void loadShiroFilterChain(ShiroFilterFactoryBean shiroFilterFactoryBean) {
      Map filterChainDefinitionMap = new LinkedHashMap();

      filterChainDefinitionMap.put("/index.jsp", "anon");
      filterChainDefinitionMap.put("/common/**", "anon");
      filterChainDefinitionMap.put("/**/login/**", "anon");
      filterChainDefinitionMap.put("/**", "authc");
      shiroFilterFactoryBean.setFilterChainDefinitionMap(filterChainDefinitionMap);
   }


}

登录方法：

@RequestMapping(value = "login")
    @ResponseBody
    public Object login(@ModelAttribute("user")LoginUser user, HttpServletRequest request) {
        BaseResp resp = new BaseResp();

        String access_token = ""+ IdUtils.id();
        JSONObject jsonObject = new JSONObject();

        /**
         * 使用Shiro编写认证操作
         */
        try {
            //1.获取Subject
            Subject subject = SecurityUtils.getSubject();
            //2.封装用户数据
            UsernamePasswordToken token = new UsernamePasswordToken(user.getUserName(), CommonUtils.md5(user.getPassword()));
//            UsernamePasswordToken token = new UsernamePasswordToken(user.getUserName(),user.getPassword());
            //3.执行登录方法
            subject.login(token);
            jsonObject.put("access_token",access_token);
            jsonObject.put("user",rtnUser((BusinessUserPo)subject.getPrincipal()));
            resp.setData(jsonObject);
        } catch (UnknownAccountException e) {
            resp.setSuccess(false);
            resp.setMsg(e.getMessage());
            e.printStackTrace();
        } catch (IncorrectCredentialsException e) {
            resp.setSuccess(false);
            resp.setMsg(e.getMessage());
            e.printStackTrace();
        }catch (Exception e){
            resp.setSuccess(false);
            resp.setMsg("系统异常，请稍后再试");
            e.printStackTrace();
        }
        return resp;
    }

前台页面使用： jsp:

<%@taglib prefix="shiro" uri="http://shiro.apache.org/tags"%>

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