摘要：配置配置核心控制器過濾器配置同時在中配置匿名的不需要權限需要認證通過即登錄成功需要名稱為的權限需要名稱為的角色說明匹配的的是匹配的是多個比如

      
      
        org.apache.shiro  
        shiro-web  
        ${shiro-version}  
      
      
      
        org.apache.shiro  
        shiro-spring  
        ${shiro-version}  
      
      
      
        org.apache.shiro  
        shiro-ehcache  
        ${shiro-version}  
      
    ...
    
        1.2.4
    

    
 
  

  

      
  

  
  
      
      
    
    
    
        
      
      
          
            /logout.do        = anon    
            /image/*.do        = authc    
            /blog/**.do        = authc,perms[blog] 
            /admin/*.do        = authc,roles[admin] 
            
          
      
  

  
    shiroFilter  
    org.springframework.web.filter.DelegatingFilterProxy  
      
        targetFilterLifecycle  
        true  
      
  
  
    shiroFilter  
    *.do  
    



    sitemesh
    org.sitemesh.config.ConfigurableSiteMeshFilter


    sitemesh
    *.do



    springmvc
    org.springframework.web.servlet.DispatcherServlet
    
        contextConfigLocation
        classpath:app-servlet.xml
        
    
    1



    springmvc
    *.do

PS : shiro filter，放在mvc的filter/servlet前面，如果有sitemesh，放在sitemesh前面

/**
 * 登錄和檢查授權的時候調用當前類
 */
@Component("DefaultRealm")
public class DefaultRealm extends AuthorizingRealm {

  @Resource
  private AdminDao adminDao;

  public DefaultRealm() {
    setName("DefaultRealm");// This name must match the name in the User  
  }

  //獲取授權信息, 用于驗證權限
  @Override
  protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
    String username = (String) principalCollection.getPrimaryPrincipal();
    AdminUser admin = adminDao.getUniqueByProperty("username", username);
    Set roleSet = admin.getRoles();
    if (roleSet != null) {
      //獲取角色權限
      Set roles = new HashSet<>();
      Set stringPermissions = new HashSet<>();
      for (Role role : roleSet) {
        roles.add(role.getRoleName());

        //封裝到驗證信息
        Set permissions = role.getPermissions();
        for (Permission permission : permissions) {
          stringPermissions.add(permission.getPermissionName());
        }
      }
      
      SimpleAuthorizationInfo authorizationInfo = new SimpleAuthorizationInfo();  
      authorizationInfo.setRoles(roles);  
      authorizationInfo.setStringPermissions(stringPermissions);  
      return authorizationInfo;
    }
    return null;
  }

  //獲取驗證信息,用于登錄驗證用戶名密碼
  @Override
  protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken principals)
      throws AuthenticationException {
    String username = (String) principals.getPrincipal();
    if (StringUtils.isNotEmpty(username)) {
      AdminUser admin = adminDao.getUniqueByProperty("username", username);
      SimpleAccount account = new SimpleAccount(username, admin.getPassword(), getName());
      return account;
    }
    return null;
  }

}

//在MVC的Controller中, 接收參數username和password, 裝配成UsernamePasswordToken對象,
//然后用subject對象login方法進行登錄.
UsernamePasswordToken token = new UsernamePasswordToken(username, password);
Subject subject = SecurityUtils.getSubject();
subject.login(token);

@Entity
public class User {
    private String username; 
    private String password="";
    //省略getter setter
    
    private Set roles;
    
    @ManyToMany(targetEntity=Role.class)
    public Set getRoles() {
      return roles;
    }

    public void setRoles(Set roles) {
      this.roles = roles;
    }
}

@Entity
public class Role{
  private String roleName;    //省略getter setter
  private Set permissions = new HashSet<>();
  
  @ManyToMany
  public Set getPermissions() {
    return permissions;
  }

  public void setPermissions(Set permissions) {
    this.permissions = permissions;
  }
}  

@Entity
public class Permission {
    private String permissionName;//省略getter setter
}