manageraction.java

shoppingCar 购物车

package com.tarena.shoppingcar.action;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.actions.MappingDispatchAction;

import com.tarena.shoppingcar.biz.OrderBiz;
import com.tarena.shoppingcar.biz.ProductBiz;
import com.tarena.shoppingcar.biz.UserBiz;
import com.tarena.shoppingcar.entity.Order;
import com.tarena.shoppingcar.entity.Product;
import com.tarena.shoppingcar.entity.User;
import com.tarena.shoppingcar.util.PaginationInfo;

public class ManagerAction extends MappingDispatchAction {
	private ProductBiz pb = new ProductBiz();
	private UserBiz ub = new UserBiz();
	private OrderBiz ob = new OrderBiz();
	
	public ActionForward mproduct(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionForward forward = null;
		try {
			HttpSession session = request.getSession();
			PaginationInfo info = new PaginationInfo();
			info.setRowPerPage(6);
			int rowCount = pb.getRowCount();
			info.setRowCount(rowCount);
			List<Product> products = pb.findByPage(info.getStartRow(), info
					.getRowPerPage());
			request.setAttribute("products", products);
			session.setAttribute("info", info);
			forward = mapping.findForward("productList");
		} catch (Exception e) {
			e.printStackTrace();
			saveErrors(request, getMessages("product.list"));
			forward = mapping.findForward("error");
		}
		return forward;
	}
	public ActionForward firstPage(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {

		ActionForward forward = null;
		try {
			HttpSession session = request.getSession();
			PaginationInfo info = (PaginationInfo) session.getAttribute("info");
			info.firstPage();
			List<Product> products = pb.findByPage(info.getStartRow(), info
					.getRowPerPage());
			request.setAttribute("products", products);
			forward = mapping.findForward("success");
		} catch (Exception e) {
			e.printStackTrace();
			saveErrors(request, getMessages("page.first"));
			forward = mapping.findForward("error");
		}
		return forward;
	}

	public ActionForward lastPage(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {

		ActionForward forward = null;
		try {
			HttpSession session = request.getSession();
			PaginationInfo info = (PaginationInfo) session.getAttribute("info");
			info.lastPage();
			List<Product> products = pb.findByPage(info.getStartRow(), info
					.getRowPerPage());
			request.setAttribute("products", products);
			forward = mapping.findForward("success");
		} catch (Exception e) {
			e.printStackTrace();
			saveErrors(request, getMessages("page.last"));
			forward = mapping.findForward("error");
		}
		return forward;
	}

	public ActionForward nextPage(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {

		ActionForward forward = null;
		try {
			HttpSession session = request.getSession();
			PaginationInfo info = (PaginationInfo) session.getAttribute("info");
			info.nextPage();
			List<Product> products = pb.findByPage(info.getStartRow(), info
					.getRowPerPage());
			request.setAttribute("products", products);
			forward = mapping.findForward("success");
		} catch (Exception e) {
			e.printStackTrace();
			saveErrors(request, getMessages("page.next"));
			forward = mapping.findForward("error");
		}
		return forward;
	}

	public ActionForward previousPage(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {

		ActionForward forward = null;
		try {
			HttpSession session = request.getSession();
			PaginationInfo info = (PaginationInfo) session.getAttribute("info");
			info.previousPage();
			List<Product> products = pb.findByPage(info.getStartRow(), info
					.getRowPerPage());
			request.setAttribute("products", products);
			forward = mapping.findForward("success");
		} catch (Exception e) {
			e.printStackTrace();
			saveErrors(request, getMessages("page.previous"));
			forward = mapping.findForward("error");
		}
		return forward;
	}

	public ActionForward gotoPage(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionForward forward = null;
		try {
			HttpSession session = request.getSession();
			PaginationInfo info = (PaginationInfo) session.getAttribute("info");
			String pageNo = request.getParameter("pageNo");
			info.gotoPage(Integer.parseInt(pageNo));
			List<Product> products = pb.findByPage(info.getStartRow(), info
					.getRowPerPage());
			request.setAttribute("products", products);
			forward = mapping.findForward("success");
		} catch (Exception e) {
			e.printStackTrace();
			saveErrors(request, getMessages("page.goto"));
			forward = mapping.findForward("error");
		}
		return forward;
	}

	public ActionForward findBySession(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {

		ActionForward forward = null;
		try {
			HttpSession session = request.getSession();
			PaginationInfo info = (PaginationInfo) session.getAttribute("info");
			int currentPage = info.getCurrentPage();
			info.gotoPage(currentPage);
			List<Product> products = pb.findByPage(info.getStartRow(), info
					.getRowPerPage());
			request.setAttribute("products", products);
			forward = mapping.findForward("success");
		} catch (Exception e) {
			e.printStackTrace();
			saveErrors(request, getMessages("system.center"));
			forward = mapping.findForward("error");
		}
		return forward;
	}

	public ActionForward logout(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {

		ActionForward forward = null;
		try {
			HttpSession session = request.getSession();
			session.invalidate();
			forward = mapping.findForward("success");
		} catch (Exception e) {
			e.printStackTrace();
			saveErrors(request, getMessages("user.logout"));
			forward = mapping.findForward("error");
		}
		return forward;
	}
	public ActionForward delete(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionForward forward = null;
		int id = Integer.parseInt(request.getParameter("id"));
		pb.remove(id);
		forward = mapping.findForward("success");
		return forward;
	}
	public ActionForward toedit(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionForward forward = null;
		int id = Integer.parseInt(request.getParameter("id"));
		Product product = pb.findById(id);
		request.setAttribute("product", product);
		forward = mapping.findForward("success");
		return forward;
	}
	public ActionForward edit(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		
		ActionForward forward = null;
		String sid = request.getParameter("id");
		int id = Integer.parseInt(sid);
		String pname = request.getParameter("pname");
		String discription = request.getParameter("discription");
		String dprice = request.getParameter("price");
		double price = Double.parseDouble(dprice);
		Product product = new Product();
		product.setId(id);
		product.setPname(pname);
		product.setDiscription(discription);
		product.setPrice(price);
		pb.modify(product);
		forward = mapping.findForward("success");
		return forward;
	}
	public ActionForward add(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		
		ActionForward forward = null;
		String pname = request.getParameter("pname");
		String discription = request.getParameter("discription");
		String dprice = request.getParameter("price");
		double price = Double.parseDouble(dprice);
		Product product = new Product();
		product.setPname(pname);
		product.setDiscription(discription);
		product.setPrice(price);
		pb.add(product);
		forward = mapping.findForward("success");
		return forward;
	}
	//***********定单管理************//
	public ActionForward order(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionForward forward = null;
		try {
			List<Order> orders = ob.getOrders();
			request.setAttribute("orders", orders);
			forward = mapping.findForward("orderList");
		} catch (Exception e) {
			e.printStackTrace();
			saveErrors(request, getMessages("order.list"));
			forward = mapping.findForward("error");
		}
		return forward;
	}
	public ActionForward findOrder(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionForward forward = null;
		try {
			String oid = request.getParameter("oid");
			List<Order> orders = ob.findByOid(oid);
			request.setAttribute("orders", orders);
			forward = mapping.findForward("order");
		} catch (Exception e) {
			e.printStackTrace();
			saveErrors(request, getMessages("findOrder.list"));
			forward = mapping.findForward("error");
		}
		return forward;
	}
	public ActionForward viewProduct(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionForward forward = null;
		try {
			String id = request.getParameter("id");
			List<Product> products = pb.findByOrderID(Integer.parseInt(id));
			request.setAttribute("products", products);
			forward = mapping.findForward("product");
		} catch (Exception e) {
			e.printStackTrace();
			saveErrors(request, getMessages("viewproduc.list"));
			forward = mapping.findForward("error");
		}
		return forward;
	}
	//********用户管理**************//
	public ActionForward user(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionForward forward = null;
		try {
			List<User> users = ub.getUsers();
			request.setAttribute("users", users);
			forward = mapping.findForward("userList");
		} catch (Exception e) {
			e.printStackTrace();
			saveErrors(request, getMessages("user.list"));
			forward = mapping.findForward("error");
		}
		return forward;
	}
	public ActionForward findUser(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionForward forward = null;
		try {
			String userName = request.getParameter("userName");
			List<User> users = ub.findByName(userName);
			System.out.println(users.size());
			request.setAttribute("users", users);
			forward = mapping.findForward("user");
		} catch (Exception e) {
			e.printStackTrace();
			saveErrors(request, getMessages("findOrder.list"));
			forward = mapping.findForward("error");
		}
		return forward;
	}
	
	
	private ActionMessages getMessages(String key) {
		ActionMessages errors = new ActionMessages();
		ActionMessage message = new ActionMessage(key);
		errors.add("error", message);
		return errors;
	}

}