$routes.map_route "{controller}/{action}/{id}"
{ :controller='Home', :action='index', id=''}

class HomeController < Controller
   def index
     view HomeModel.new
   end
end

class HomeModel 
  def salutation
   "Hello,World"
  end
end

<h2>$model.saluation</h2>

require "helper/contoller"
require "ProductModel"
class ProductsController < BaseController
   def index 
     model=ProductsModel.new
     @message="Hi,Mom"
     @categories=mode.get_categories
     return_view
   end

   def list
    @category=params[:id]
    model=ProductsModel.new
    @products=mode.get_products_for_category @category
    return_view
   end
end 

require "helpers/model"
class ProductsModel <NorthWindDatabase
//do nothing
end

public class NorthWindDatabase :NorthWindResposity{
  public List<Category> GetCategories(){
    return Categories.ToList();
  }
 public Category GetCategory(String name){
   return Categories.SingleOrDefault(c =>C.CategoryName==name);
 }

 public List<Product> getProductsForCategory(String name){
   var category=GetCategory(name);
   var products= from p in Products where p.CategoryId==category.CategoryId select p;
   return products.ToList();
 }
}

  <% $view_data.categories.each{|category|%>
   <li> <a href="/products/list/<%=category.category_name%>">
       <%=category.category_name%></a>
   </li>
 <%
  }
%>

• 加入阿里巴巴，发展潜力无限
• Windows7在微软WinHEC 2008上揭开神秘面纱
• 你想过自己的博客制作成书吗 - JavaEye推出博客自动生成电子书功能！
• 搜狐网站诚聘Java、PHP和C++工程师

• 加入阿里巴巴，发展潜力无限
• 你想过自己的博客制作成书吗 - JavaEye推出博客自动生成电子书功能！
• 搜狐网站诚聘Java、PHP和C++工程师
• Windows7在微软WinHEC 2008上揭开神秘面纱

/**
 * @author ahuaxuan(aaron zhang) 代码原主是一个老外,不是我
 * @since 2008-5-13
 * @version $Id: MethodCacheInterceptor.java 814 2008-05-13 06:52:54Z aaron $
 */
@Component("methodCacheInterceptor")
@GlobalAutowired//这个是俺写的globalautowired,大家可以忽略
public class MethodCacheInterceptor implements MethodInterceptor {

	private Cache methodCache;

	public void setMethodCache(Cache methodCache) {
		this.methodCache = methodCache;
	}

	public Object invoke(MethodInvocation invocation) throws Throwable {
		String targetName = invocation.getThis().getClass().getName();
		String methodName = invocation.getMethod().getName();
		Object[] arguments = invocation.getArguments();
		Object result;

		String cacheKey = getCacheKey(targetName, methodName, arguments);
		Element element = methodCache.get(cacheKey);
		if (element == null) {
			result = invocation.proceed();

			element = new Element(cacheKey, (Serializable) result);
			methodCache.put(element);
		}
		return element.getValue();
	}

	private String getCacheKey(String targetName, String methodName,
			Object[] arguments) {
		StringBuffer sb = new StringBuffer();
		sb.append(targetName).append(".").append(methodName);
		if ((arguments != null) && (arguments.length != 0)) {
			for (int i = 0; i < arguments.length; i++) {
				sb.append(".").append(arguments[i]);
			}
		}

		return sb.toString();
	}

}

<!-- method cache auto proxy, add by ahuaxuan -->
     <bean class="org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator">
         <property name="beanNames">
              <list>
                   <value>aaComponent</value>
                   <value>bbComponent</value>
              </list>
         </property>
         <property name="interceptorNames">
              <list>
                   <value>methodCacheInterceptor</value>
              </list>
         </property>
     </bean>

@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
public @interface MethodCache {

}

@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
public @interface ObjectCache {

}

public Object invoke(MethodInvocation invocation) throws Throwable {
		
		String targetName = invocation.getThis().getClass().getInterfaces()[0].getName();
		String methodName = invocation.getMethod().getName();
		Object[] arguments = invocation.getArguments();
		
		if (invocation.getThis().getClass().isAnnotationPresent(ObjectCache.class)) {
			return getResult(targetName, methodName, arguments, invocation);
		} else {
			if (invocation.getMethod().isAnnotationPresent(MethodCache.class)) {
				return getResult(targetName, methodName, arguments, invocation);
			} else {
				return invocation.proceed();
			}
		}
	}

private Object getResult(String targetName, String methodName, Object[] arguments, MethodInvocation invocation) throws Throwable {
		Object result;
		
		String cacheKey = getCacheKey(targetName, methodName, arguments);
		Element element = methodCache.get(cacheKey);
		if (element == null) {
			result = invocation.proceed();

			element = new Element(cacheKey, (Serializable) result);
			methodCache.put(element);
		}
		
		return element.getValue();
	}

@ObjectCache
public class AaService  implement xxxxxx{

}

public class BbService implement xxxxxx{

	@MethodCache
	public void bb() {
		
	}
}

@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
public @interface MethodCache {
	int expire() default 0;
}

@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
public @interface ObjectCache {
	int expire() default 0;
}

public Object invoke(MethodInvocation invocation) throws Throwable {
		
		String targetName = invocation.getThis().getClass().getInterfaces()[0].getName();
		String methodName = invocation.getMethod().getName();
		Object[] arguments = invocation.getArguments();
		Class[] cs = new Class[arguments.length];
		for (int k = 0; k < arguments.length; k++) {
			cs[k] = arguments[k].getClass();
		}
		
		if (invocation.getThis().getClass().getCanonicalName().contains("$Proxy")) {
			if (logger.isWarnEnabled()) {
				logger.warn("----- The object has been proxyed and method " +
						"cache interceptor can't get the target, " +
						"so the method result can't be cached which name is ------" + methodName);
			}
			
			return invocation.proceed();
		} else {
			if (invocation.getThis().getClass().isAnnotationPresent(ObjectCache.class)) {
				ObjectCache oc = invocation.getThis().getClass().getAnnotation(ObjectCache.class);
				return getResult(targetName, methodName, arguments, invocation, oc.expire());
			} else {
				
				Method[] mss = invocation.getThis().getClass().getMethods();
				Method ms = null;
				for (Method m : mss) {
					if (m.getName().equals(methodName)) {
						boolean argMatch = true;
						Class[] tmpCs = m.getParameterTypes();
						if (tmpCs.length != cs.length) {
							argMatch = false;
							continue;
						}
						for (int k = 0; k < cs.length; k++) {
							if (!cs[k].equals(tmpCs[k])) {
								argMatch = false;
								break;
							}
						}
						
						if (argMatch) {
							ms = m;
							break;
						}
					}
				}
				
				if (ms != null && ms.isAnnotationPresent(MethodCache.class)) {
					MethodCache mc = ms.getAnnotation(MethodCache.class);
					return getResult(targetName, methodName, arguments, invocation, mc.expire());
				} else {
					return invocation.proceed();
				}
			}
		}
	}
	
	private Object getResult(String targetName, String methodName, Object[] arguments,
			MethodInvocation invocation, int expire) throws Throwable {
		Object result;
		
		String cacheKey = getCacheKey(targetName, methodName, arguments);
		Element element = methodCache.get(cacheKey);
		if (element == null) {
			synchronized (this) {
				element = methodCache.get(cacheKey);
				if (element == null) {
					result = invocation.proceed();
	
					element = new Element(cacheKey, (Serializable) result);
					
					//annotation没有设expire值则使用ehcache.xml中自定义值
					if (expire > 0) {
						element.setTimeToIdle(expire);
						element.setTimeToLive(expire);
					}
					methodCache.put(element);
				}
			}
		}
		
		return element.getValue();
	}

• 加入阿里巴巴，发展潜力无限
• 你想过自己的博客制作成书吗 - JavaEye推出博客自动生成电子书功能！
• Windows7在微软WinHEC 2008上揭开神秘面纱
• 搜狐网站诚聘Java、PHP和C++工程师

• 加入阿里巴巴，发展潜力无限
• Windows7在微软WinHEC 2008上揭开神秘面纱
• 你想过自己的博客制作成书吗 - JavaEye推出博客自动生成电子书功能！
• 搜狐网站诚聘Java、PHP和C++工程师

• 加入阿里巴巴，发展潜力无限
• 你想过自己的博客制作成书吗 - JavaEye推出博客自动生成电子书功能！
• Windows7在微软WinHEC 2008上揭开神秘面纱
• 搜狐网站诚聘Java、PHP和C++工程师