【Java开源代码栏目提醒】:文章导读:在新的一年中,各位网友都进入紧张的学习或是工作阶段。网学会员整理了Java开源代码-CartController.java的相关内容供大家参考,祝大家在新的一年里工作和学习顺利!
package com.lzw;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.multiaction.MultiActionController;
import org.springframework.web.servlet.view.RedirectView;
import com.lzw.collect.GoodsElement;
import com.lzw.dao.Dao;
import com.lzw.model.TbGoods;
public class CartController extends MultiActionController {
private Dao dao;
public ModelAndView cartAdd(HttpServletRequest request,
HttpServletResponse response) throws Exception {
HttpSession session = request.getSession();
String id = request.getParameter("goodsID");
TbGoods goods = dao.getGoods(Long.valueOf(id));
GoodsElement myGoodsElement = new GoodsElement();
myGoodsElement.setID(goods.getId());
myGoodsElement.setGoodsName(goods.getGoodsName());
myGoodsElement.setNowPrice(goods.getNowPrice());
myGoodsElement.setNumber(1);
List<GoodsElement> cart = (List<GoodsElement>) session
.getAttribute("cart");
boolean Flag = true;
if (cart == null) {
cart = new ArrayList<GoodsElement>();
} else {
for (int i = 0; i < cart.size(); i++) {
GoodsElement goodsitem = cart.get(i);
if (goodsitem.ID == myGoodsElement.ID) {
goodsitem.number++;
Flag = false;
}
}
}
if (Flag) {
cart.add(myGoodsElement);
session.setAttribute("cart", cart);
}
return new ModelAndView(new RedirectView("cartSee.lzw"));
}
public ModelAndView cartModify(HttpServletRequest request,
HttpServletResponse response) throws Exception {
HttpSession session = request.getSession();
List<GoodsElement> cart = (List<GoodsElement>) session
.getAttribute("cart");
for (int i = 0; i < cart.size(); i++) {
GoodsElement myGoodsElement = cart.get(i);
String num = request.getParameter("num" + i);
int newnum = Integer.parseInt(num);
myGoodsElement.number = newnum;
if (newnum <= 0) {
cart.remove(myGoodsElement);
}
}
return new ModelAndView(new RedirectView("cartSee.lzw"));
}
public ModelAndView cartClear(HttpServletRequest request,
HttpServletResponse response) throws Exception {
HttpSession session = request.getSession();
session.removeAttribute("cart");
return new ModelAndView("cartSee");
}
public ModelAndView cartMove(HttpServletRequest request,
HttpServletResponse response) throws Exception {
HttpSession session = request.getSession();
List cart = (List) session.getAttribute("cart");
int id = Integer.parseInt(request.getParameter("ID"));
cart.remove(id);
return new ModelAndView(new RedirectView("cartSee.lzw"));
}
public Dao getDao() {
return dao;
}
public void setDao(Dao dao) {
this.dao = dao;
}
}
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