src/web/yueqi/gita/action/IndexAction.java

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package web.yueqi.gita.action;

import java.util.List;

import web.yueqi.gita.entity.Category;
import web.yueqi.gita.entity.Product;
import web.yueqi.gita.service.CategoryService;
import web.yueqi.gita.service.ProductService;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;

/**
 * 首页访问的Action
 * 

 * 
 */
public class IndexAction extends ActionSupport {
	// 注入一级分类的Service:
	private CategoryService categoryService;
	// 注入商品的Service
	private ProductService productService;

	public void setCategoryService(CategoryService categoryService) {
		this.categoryService = categoryService;
	}

	public void setProductService(ProductService productService) {
		this.productService = productService;
	}

	/**
	 * 执行的访问首页的方法:
	 */
	@Override
	public String execute() {
		// 查询所有一级分类集合
		List<Category> cList = categoryService.findAll();
		// 将一级分类存入到Session的范围:
		ActionContext.getContext().getSession().put("cList", cList);
		// 查询热门商品:
		List<Product> hList = productService.findHot();
		// 保存到值栈中:
		ActionContext.getContext().getValueStack().set("hList", hList);
		// 查询最新商品:
		List<Product> nList = productService.findNew();
		// 保存到值栈中:
		ActionContext.getContext().getValueStack().set("nList", nList);
		return "index";
	}

}