Java 實戰項目錘煉之在線購書商城系統的實現流程

書信息管理:
 
@Controller
@RequestMapping("/book")
public class BookInfoController {
 
 
 
    @Autowired
    private IBookInfoService bookInfoService;
 
    @Autowired
    private BookDescMapper bookDescMapper;
 
    /**
     * 查詢某一本書籍詳情
     *
     * @param bookId
     * @param model
     * @return
     */
    @RequestMapping("/info/{bookId}")
    public String bookInfo(@PathVariable("bookId") Integer bookId, Model model) throws BSException {
        //查詢書籍
        BookInfo bookInfo = bookInfoService.findById(bookId);
        //查詢書籍推薦列表
        List<BookInfo> recommendBookList = bookInfoService.findBookListByCateId(bookInfo.getBookCategoryId(), 1, 5);
        //查詢書籍詳情
        BookDesc bookDesc = bookDescMapper.selectByPrimaryKey(bookId);
        //增加訪問量
        bookInfoService.addLookMount(bookInfo);
        Collections.shuffle(recommendBookList);
        model.addAttribute("bookInfo", bookInfo);
        model.addAttribute("bookDesc", bookDesc);
        model.addAttribute("recommendBookList", recommendBookList);
        return "book_info";
    }
 
 
    /**
     * 通過關鍵字和書籍分類搜索書籍列表
     *
     * @param keywords
     * @return
     */
    @RequestMapping("/list")
    public String bookSearchList(@RequestParam(defaultValue = "", required = false) String keywords,
                                 @RequestParam(defaultValue = "0", required = false) int cateId,//分類Id，默認為0，即不按照分類Id查
                                 @RequestParam(defaultValue = "1", required = false) int page,
                                 @RequestParam(defaultValue = "6", required = false) int pageSize,
                                 Model model) {
        keywords = keywords.trim();
        PageInfo<BookInfo> bookPageInfo = bookInfoService.findBookListByCondition(keywords, cateId, page, pageSize,0);//storeId為0，不按照商店Id查詢
 
        model.addAttribute("bookPageInfo", bookPageInfo);
 
        model.addAttribute("keywords", keywords);
 
        model.addAttribute("cateId", cateId);
 
        return "book_list";
    }
 
}

@Configuration
/**
 * shiro安全框架
 */
public class ShiroConfig {
 
 
    @Bean(name = "lifecycleBeanPostProcessor")
    public LifecycleBeanPostProcessor lifecycleBeanPostProcessor() {
        return new LifecycleBeanPostProcessor();
    }
 
    @Bean
    public SecurityManager securityManager(EhCacheManager ehCacheManager) {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        securityManager.setRealm(myShiroRealm());
        //securityManager.setRememberMeManager(rememberMeManager());
        securityManager.setCacheManager(ehCacheManager);
        return securityManager;
    }
 
 
    @Bean
    public ShiroFilterFactoryBean shiroFilterFactoryBean(SecurityManager securityManager) {
 
        ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
        shiroFilterFactoryBean.setSecurityManager(securityManager);
 
        Map<String, String> filterChainDefinitionMap = new LinkedHashMap<>();
 
        //攔截器
        filterChainDefinitionMap.put("/img/**", "anon");
        filterChainDefinitionMap.put("/fonts/**", "anon");
        filterChainDefinitionMap.put("/static/**", "anon");
        filterChainDefinitionMap.put("/css/**", "anon");
        filterChainDefinitionMap.put("/js/**", "anon");
        filterChainDefinitionMap.put("/book/**", "anon");
        filterChainDefinitionMap.put("/upload/**", "anon");
        filterChainDefinitionMap.put("/page/**", "anon");
        filterChainDefinitionMap.put("/user/info", "user");
        filterChainDefinitionMap.put("/user/**", "anon");//用戶登錄註冊不需要權限
 
        filterChainDefinitionMap.put("/index/**",   "anon");//首頁放行
        filterChainDefinitionMap.put("/", "anon");
 
        //配置退出 過濾器,其中的具體的退出代碼Shiro已經替我們實現瞭
        filterChainDefinitionMap.put("/user/logout", "logout");
        //<!-- 過濾鏈定義，從上向下順序執行，一般將/**放在最為下邊 -->:這是一個坑呢，一不小心代碼就不好使瞭;
        //<!-- authc:所有url都必須認證通過才可以訪問; anon:所有url都都可以匿名訪問-->
 
        //filterChainDefinitionMap.put("/admin/**", "roles[admin]");//perms[system]
        filterChainDefinitionMap.put("/**", "authc");
 
 
        // 如果不設置默認會自動尋找Web工程根目錄下的"/login.jsp"頁面
        shiroFilterFactoryBean.setLoginUrl("/page/login");
        // 登錄成功後要跳轉的鏈接
        shiroFilterFactoryBean.setSuccessUrl("/index");
 
        //未授權界面;
        shiroFilterFactoryBean.setUnauthorizedUrl("/403");
        shiroFilterFactoryBean.setFilterChainDefinitionMap(filterChainDefinitionMap);
        return shiroFilterFactoryBean;
    }
 
    @Bean
    @DependsOn("lifecycleBeanPostProcessor")
    public MyShiroRealm myShiroRealm() {
        MyShiroRealm myShiroRealm = new MyShiroRealm();
        myShiroRealm.setCredentialsMatcher(hashedCredentialsMatcher());
        myShiroRealm.setCachingEnabled(true);
        //啟用身份驗證緩存，即緩存AuthenticationInfo信息，默認false
        myShiroRealm.setAuthenticationCachingEnabled(true);
        //緩存AuthenticationInfo信息的緩存名稱 在ehcache.xml中有對應緩存的配置
        myShiroRealm.setAuthenticationCacheName("authenticationCache");
        //啟用授權緩存，即緩存AuthorizationInfo信息，默認false
        myShiroRealm.setAuthorizationCachingEnabled(true);
        //緩存AuthorizationInfo信息的緩存名稱  在ehcache.xml中有對應緩存的配置
        myShiroRealm.setAuthorizationCacheName("authorizationCache");
        return myShiroRealm;
    }
 
    /**
     *  開啟shiro aop註解支持.
     *  使用代理方式;所以需要開啟代碼支持;
     * @param securityManager
     * @return
     */
    @Bean
    public AuthorizationAttributeSourceAdvisor authorizationAttributeSourceAdvisor(SecurityManager securityManager){
        AuthorizationAttributeSourceAdvisor authorizationAttributeSourceAdvisor = new AuthorizationAttributeSourceAdvisor();
        authorizationAttributeSourceAdvisor.setSecurityManager(securityManager);
        return authorizationAttributeSourceAdvisor;
    }
 
    @Bean
    public DefaultAdvisorAutoProxyCreator getDefaultAdvisorAutoProxyCreator() {
        DefaultAdvisorAutoProxyCreator daap = new DefaultAdvisorAutoProxyCreator();
        daap.setProxyTargetClass(true);
        return daap;
    }
 
    /**
     * 憑證匹配器
     * （由於我們的密碼校驗交給Shiro的SimpleAuthenticationInfo進行處理瞭
     * ）
     *
     * @return
     */
    @Bean
    public HashedCredentialsMatcher hashedCredentialsMatcher() {
        HashedCredentialsMatcher hashedCredentialsMatcher = new HashedCredentialsMatcher();
        hashedCredentialsMatcher.setHashAlgorithmName("md5");//散列算法:這裡使用MD5算法;
        hashedCredentialsMatcher.setHashIterations(1);//散列的次數，比如散列兩次，相當於 md5(md5(""));
        return hashedCredentialsMatcher;
    }
 
 
    /**
     * cookie對象;
     * rememberMeCookie()方法是設置Cookie的生成模版，比如cookie的name，cookie的有效時間等等。
     * @return
     */
    /*@Bean
    public SimpleCookie rememberMeCookie(){
        //這個參數是cookie的名稱，對應前端的checkbox的name = rememberMe
        SimpleCookie simpleCookie = new SimpleCookie("rememberMe");
        //如果httyOnly設置為true，則客戶端不會暴露給客戶端腳本代碼，使用HttpOnly cookie有助於減少某些類型的跨站點腳本攻擊；
        simpleCookie.setHttpOnly(true);
        //記住我cookie生效時間,默認30天 ,單位秒：60 * 60 * 24 * 30
        //<!-- 記住我cookie生效時間30天 ,單位秒;-->
        simpleCookie.setMaxAge(1800);
        return simpleCookie;
    }*/
 
    /**
     * cookie管理對象;
     * rememberMeManager()方法是生成rememberMe管理器，而且要將這個rememberMe管理器設置到securityManager中
     * @return
     */
    /*@Bean
    public CookieRememberMeManager rememberMeManager(){
        //System.out.println("ShiroConfiguration.rememberMeManager()");
        CookieRememberMeManager cookieRememberMeManager = new CookieRememberMeManager();
        cookieRememberMeManager.setCookie(rememberMeCookie());
        //rememberMe cookie加密的密鑰 建議每個項目都不一樣 默認AES算法 密鑰長度(128 256 512 位)
        cookieRememberMeManager.setCipherKey(Base64.decode("2AvVhdsgUs0FSA3SDFAdag=="));
        return cookieRememberMeManager;
    }*/
 
 
    /**
     * shiro session的管理
     */
    /*@Bean
    public DefaultWebSessionManager sessionManager() {
        DefaultWebSessionManager sessionManager = new DefaultWebSessionManager();
        sessionManager.setGlobalSessionTimeout(tomcatTimeout*1000);
        //設置sessionDao對session查詢，在查詢在線用戶service中用到瞭
        sessionManager.setSessionDAO(sessionDAO());
        //配置session的監聽
        Collection<SessionListener> listeners = new ArrayList<SessionListener>();
        listeners.add(new BDSessionListener());
        sessionManager.setSessionListeners(listeners);
        //設置在cookie中的sessionId名稱
        sessionManager.setSessionIdCookie(simpleCookie());
        return sessionManager;
    }*/
 
    @Bean
    @DependsOn("lifecycleBeanPostProcessor")
    public EhCacheManager ehCacheManager(CacheManager cacheManager) {
        EhCacheManager em = new EhCacheManager();
        //將ehcacheManager轉換成shiro包裝後的ehcacheManager對象
        em.setCacheManager(cacheManager);
        em.setCacheManagerConfigFile("classpath:ehcache.xml");
        return em;
    }
}