ssm整合shiro框架的使用，实现权限管理「建议收藏」

<!– shiro –>

        <dependency>

            <groupId>org.apache.shiro</groupId>

            <artifactId>shiro-core</artifactId>

            <version>1.2.3</version>

        </dependency>

        <dependency>

            <groupId>org.apache.shiro</groupId>

            <artifactId>shiro-spring</artifactId>

            <version>1.2.3</version>

        </dependency>

        <dependency>

            <groupId>org.apache.shiro</groupId>

            <artifactId>shiro-web</artifactId>

            <version>1.2.3</version>

        </dependency>

        <dependency>

            <groupId>org.apache.shiro</groupId>

            <artifactId>shiro-ehcache</artifactId>

            <version>1.2.3</version>

        </dependency>

 1 <!-- spring整合安全框架 -->
 2     <filter>
 3         <filter-name>DelegatingFilterProxy</filter-name>
 4         <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
 5         <!-- 初始化参数 -->
 6         <init-param>
 7             <param-name>targetBeanName</param-name>
 8             <param-value>shiroFilter</param-value>
 9         </init-param>
10     </filter>
11     <filter-mapping>
12         <filter-name>DelegatingFilterProxy</filter-name>
13         <url-pattern>/*</url-pattern>
14     </filter-mapping>

 1 <!-- shiro开启事务注解 -->
 2     <bean class="org.apache.shiro.spring.security.interceptor.AuthorizationAttributeSourceAdvisor">
 3         <property name="securityManager" ref="securityManager" />
 4     </bean>
 5     
 6     <!-- 
 7         /**  除了已经设置的其他路径的认证
 8      -->
 9     <!-- shiro工厂bean配置 -->
10     <bean id="shiroFilter" class="org.apache.shiro.spring.web.ShiroFilterFactoryBean">
11         <!-- shiro的核心安全接口 -->
12         <property name="securityManager" ref="securityManager"></property>
13         <!-- 要求登录时的连接 -->
14         <property name="loginUrl" value="/login.jsp"></property>
15         <!-- 登录成功后要跳转的连接(此处已经在登录中处理了) -->
16         <!-- <property name="successUrl" value="/index.jsp"></property> -->
17         <!-- 未认证时要跳转的连接 -->
18         <property name="unauthorizedUrl" value="/refuse.jsp"></property>
19         <!-- shiro连接约束配置 -->
20         <property name="filterChainDefinitions">
21             <value>
22                 <!-- 对静态资源设置允许匿名访问 -->
23                 /images/** = anon
24                 /js/** = anon
25                 /css/** = anon
26                 <!-- 可匿名访问路径，例如：验证码、登录连接、退出连接等 -->
27                 /auth/login = anon
28                 <!-- 剩余其他路径，必须认证通过才可以访问 -->
29                 /** = authc
30             </value>
31         </property>
32     </bean>
33     
34     <!-- 配置shiro安全管理器 -->
35     <bean id="securityManager" class="org.apache.shiro.web.mgt.DefaultWebSecurityManager">
36         <property name="realms" ref="customRealm"></property>
37     </bean>
38     
39     <!-- 自定义Realm -->
40     <bean id="customRealm" class="com.zxz.auth.realm.UserRealm">
41         <property name="credentialsMatcher" ref="credentialsMatcher"></property>
42     </bean>
43     
44     <!-- 配置凭证算法匹配器 -->
45     <bean id="credentialsMatcher" class="org.apache.shiro.authc.credential.HashedCredentialsMatcher">
46         <!-- Md5算法 -->
47         <property name="hashAlgorithmName" value="Md5"></property>
48     </bean>

 1 public class UserRealm extends AuthorizingRealm {
 2     
 3     @Autowired
 4     private UserService userService;
 5     
 6     @Override
 7     public String getName() {
 8         return "customRealm";
 9     }
10     
11     /**
12      * 认证
13      */
14     @Override
15     protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
16         // 获取用户名称
17         String username = (String) token.getPrincipal();
18         User user = userService.findByUsername(username);
19         if (user == null) {
20             // 用户名不存在抛出异常
21             System.out.println("认证：当前登录的用户不存在");
22             throw new UnknownAccountException();
23         }
24         String pwd = user.getPassword();
25         return new SimpleAuthenticationInfo(user, pwd, getName());
26     }
27 
28     /**
29      * 授权
30      */
31     @Override
32     protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection princ) {
33         return null;
34     }
35 }

 1 /**
 2      * shiro框架登录
 3      * @param user
 4      */
 5     @RequestMapping(value = "/login",method=RequestMethod.POST)
 6     public ModelAndView login(User user){
 7         // 表面校验
 8         if(!StringUtil.isNullOrBlank(user.getUsername()) || !StringUtil.isNullOrBlank(user.getPassword())){
 9              return new ModelAndView("login")
10                      .addObject("message", "账号或密码不能为空")
11                      .addObject("failuser", user);
12         }
13         // 获取主体
14         Subject subject = SecurityUtils.getSubject();
15         try{
16             // 调用安全认证框架的登录方法
17             subject.login(new UsernamePasswordToken(user.getUsername(), user.getPassword()));
18         }catch(AuthenticationException ex){
19             System.out.println("登陆失败: " + ex.getMessage());
20             return new ModelAndView("login")
21                     .addObject("message", "用户不存在")
22                     .addObject("failuser", user);
23         }
24         // 登录成功后重定向到首页
25         return new ModelAndView("redirect:/index");
26     }