https://dandansad.com/tags/aop/Recent content in AOP on 蛋蛋忧桑Hugo -- gohugo.iozhFri, 11 Apr 2025 00:46:25 +0800https://dandansad.com/2025/04/11/spring-demo/Fri, 11 Apr 2025 00:46:25 +0800https://dandansad.com/2025/04/11/spring-demo/<p>一个Spring的AOP练习程序。</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-cpp" data-lang="cpp"><span style="display:flex;"><span><span style="color:#960050;background-color:#1e0010">\</span><span style="color:#f92672">---</span>springdemo </span></span><span style="display:flex;"><span> <span style="color:#960050;background-color:#1e0010">│</span> SpringDemoApplication.java </span></span><span style="display:flex;"><span> <span style="color:#960050;background-color:#1e0010">│</span> </span></span><span style="display:flex;"><span> <span style="color:#960050;background-color:#1e0010">├─</span>aop </span></span><span style="display:flex;"><span> <span style="color:#960050;background-color:#1e0010">│</span> MyAspect.java </span></span><span style="display:flex;"><span> <span style="color:#960050;background-color:#1e0010">│</span> </span></span><span style="display:flex;"><span> <span style="color:#960050;background-color:#1e0010">├─</span>controller </span></span><span style="display:flex;"><span> <span style="color:#960050;background-color:#1e0010">│</span> Test.java </span></span><span style="display:flex;"><span> <span style="color:#960050;background-color:#1e0010">│</span> </span></span><span style="display:flex;"><span> <span style="color:#960050;background-color:#1e0010">└─</span>service </span></span><span style="display:flex;"><span> Another.java </span></span></code></pre></div><p>对于Spring来说，其AOP的实现十分简单。只需要在导入相关依赖之后在注解类上使用@Aspect和@Component注解，然后使用@Pointcut定义切点，在相关方法上用你需要的AOP通知类型注解即可。</p>https://dandansad.com/2025/04/10/aop-exercise/Thu, 10 Apr 2025 22:19:28 +0800https://dandansad.com/2025/04/10/aop-exercise/<p>一个面向切面编程的练习程序。其中面向切面编程采用的是配置文件的做法，支持多个前置方法和后置方法，按照配置文件中的优先级区分执行顺序。食物类通过注解获取食物名称和价格。</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-cpp" data-lang="cpp"><span style="display:flex;"><span><span style="color:#960050;background-color:#1e0010">\</span><span style="color:#f92672">--</span>aop </span></span><span style="display:flex;"><span> <span style="color:#960050;background-color:#1e0010">│</span> FoodInfo.java </span></span><span style="display:flex;"><span> <span style="color:#960050;background-color:#1e0010">│</span> Kitchen.java </span></span><span style="display:flex;"><span> <span style="color:#960050;background-color:#1e0010">│</span> MyAspect.java </span></span><span style="display:flex;"><span> <span style="color:#960050;background-color:#1e0010">│</span> Proxyhandler.java </span></span><span style="display:flex;"><span> <span style="color:#960050;background-color:#1e0010">│</span> Restaurant.java </span></span><span style="display:flex;"><span> <span style="color:#960050;background-color:#1e0010">│</span> RestaurantInterface.java </span></span><span style="display:flex;"><span> <span style="color:#960050;background-color:#1e0010">│</span> TestRestaurant.java </span></span><span style="display:flex;"><span> <span style="color:#960050;background-color:#1e0010">│</span> </span></span><span style="display:flex;"><span> <span style="color:#960050;background-color:#1e0010">└─</span>foods </span></span><span style="display:flex;"><span> Beef.java </span></span><span style="display:flex;"><span> Broccoli.java </span></span><span style="display:flex;"><span> Chicken.java </span></span><span style="display:flex;"><span> Food.java </span></span><span style="display:flex;"><span> Newfood.java </span></span></code></pre></div><h2 id="foods包下的类"><a href="#foods%e5%8c%85%e4%b8%8b%e7%9a%84%e7%b1%bb" class="header-anchor"></a>foods包下的类 </h2><p>食物类，其中食物名称和价格用注解标注。</p> <h2 id="foodinfojava"><a href="#foodinfojava" class="header-anchor"></a>FoodInfo.java </h2><p>注解，食物名称和价格。</p> <h2 id="kitchenjava"><a href="#kitchenjava" class="header-anchor"></a>Kitchen.java </h2><p>工厂类，主要负责根据名称创建食物实例、获取食物价格。</p> <h2 id="myaspectjava"><a href="#myaspectjava" class="header-anchor"></a>MyAspect.java </h2><p>切面方法。</p> <h2 id="proxyhandlerjava"><a href="#proxyhandlerjava" class="header-anchor"></a>Proxyhandler.java </h2><p>调用处理器类，在其中实现面向切面编程，在需要切入的方法前后分别按照优先级执行前置方法和后置方法。</p> <h2 id="restaurantjava"><a href="#restaurantjava" class="header-anchor"></a>Restaurant.java </h2><p>RestaurantInterface的实现类，实现餐厅的方法。</p> <h2 id="restaurantinterfacejava"><a href="#restaurantinterfacejava" class="header-anchor"></a>RestaurantInterface.java </h2><p>接口，定义餐厅的方法。</p> <h2 id="testrestaurantjava"><a href="#testrestaurantjava" class="header-anchor"></a>TestRestaurant.java </h2><p>主类，完成点餐功能。在开始时读入并加载配置文件，创建动态代理对象，之后执行正常的点餐流程，当用户点餐时调用Kitchen创建食物类，下单并享用食物。</p> <h2 id="总结"><a href="#%e6%80%bb%e7%bb%93" class="header-anchor"></a>总结 </h2><p>这个程序主要使用动态代理实现了AOP，从配置文件中读取前置方法和后置方法。</p>