基于Tapestry4

				package com.tapestry4;
				
				import java.util.List;
				
				import org.apache.tapestry.IPage;
				import org.apache.tapestry.annotations.InjectPage;
				import org.apache.tapestry.html.BasePage;
				
				public abstract class Shop extends BasePage {
				
					@InjectPage("BuyFruit")
					public abstract BuyFruit getBuyFruitPage();
					
					public List getFruitList() {
						return Products.getProductList();
					}
					
					public IPage buyFruit(Integer ig) {
						BuyFruit page = this.getBuyFruitPage();
						page.setFruitId(ig);
						return page;
					}
				
				}