listallwaresaction.java

一个java写的网上购物系统

package com.hb.myshop.struts.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import com.hb.myshop.tools.PageController;
import com.hb.myshop.idao.ICartDAO;
import com.hb.myshop.idao.ISortDAO;
import com.hb.myshop.idao.IWareDAO;

public class ListAllWaresAction extends Action {
	private IWareDAO wdao;
	private ICartDAO cdao;
	private ISortDAO sdao;
	public ISortDAO getSdao() {
		return sdao;
	}

	public void setSdao(ISortDAO sdao) {
		this.sdao = sdao;
	}

	public ICartDAO getCdao() {
		return cdao;
	}

	public void setCdao(ICartDAO cdao) {
		this.cdao = cdao;
	}

	public IWareDAO getWdao() {
		return wdao;
	}

	public void setWdao(IWareDAO wdao) {
		this.wdao = wdao;
	}

	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response){
		HttpSession session=request.getSession();   //获取session对象
		if(session.getAttribute("username")==null){
			session.setAttribute("username","");    //未登陆之前
		}
		String wareId = request.getParameter("wareId");     //获取商品ID与购物车ID
		String cartId=(String)session.getAttribute("cartId");
		if (wareId != null&&cartId!=null&&!cartId.equals("")) {  //把购买的商品放入购物车
			this.getCdao().insertCart(cartId, wareId);
		}
		//分页
		String pageIndex = request.getParameter("pageIndex");
		
		if(pageIndex == null)
		{
			pageIndex = "1";
		}
		
		PageController pc = (PageController) request.getAttribute("list");
		if (pc == null)
		{
			pc = new PageController();
			pc.setBigList(getWdao().getAllWares());
			request.setAttribute("list", pc);
		}
		request.setAttribute("sorts",getSdao().findAllSort());
		pc.setCurrentPageIndex(Integer.parseInt(pageIndex));
		return mapping.findForward("success");
	}

}