北大青鸟ACCP8.0 S2结业项目易买网

package com.web.pre; import com.entity.EasybuyCollect; import com.entity.EasybuyNews; import com.entity.EasybuyProduct; import com.entity.EasybuyUser; import com.entity.EasybuyProductCategory; import com.service.news.impl.NewsServiceImpl; import com.service.order.impl.CartServiceImpl; import com.service.product.impl.ProductCategoryServiceImpl; import com.service.product.impl.ProductServiceImpl; import com.utils.EmptyUtils; import com.utils.Pager; import com.utils.ReturnResult; import com.utils.StringUtils; import com.web.AbstractServlet; import java.io.IOException; import java.util.List; import java.util.Map; import org.apache.commons.fileupload.FileItem; import org.apache.commons.fileupload.FileUploadBase; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.servlet.ServletFileUpload; import javax.servlet.ServletConfig; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import java.io.File; import java.io.IOException; import java.io.PrintWriter; import java.util.Arrays; import java.util.HashMap; import java.util.Iterator; import java.util.List; /** * 商品信息控制层！ * Servlet implementation class ProductServlet */ @WebServlet("/ProductServlet") public class ProductServlet extends AbstractServlet { private static final long serialVersionUID = 1L; private static final String TMP_DIR_PATH = "D:\\tmp"; private File tmpDir; private static final String DESTINATION_DIR_PATH = "/files"; private File destinationDir; public void init(ServletConfig config) throws ServletException { super.init(config); tmpDir = new File(TMP_DIR_PATH); if (!tmpDir.exists()) {//如果目录不存在，则新建目录 tmpDir.mkdirs(); } String realPath = getServletContext().getRealPath(DESTINATION_DIR_PATH); destinationDir = new File(realPath); destinationDir.mkdirs(); if (!destinationDir.isDirectory()) { throw new ServletException(DESTINATION_DIR_PATH + " is not a directory"); } } /** * Default constructor. */ public ProductServlet() { // TODO Auto-generated constructor stub } /** * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse * response) */ protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request, response); } /** * 商品的主页面 * * @param request * @param response * @return */ public String index(HttpServletRequest request, HttpServletResponse response) throws Exception { // 获取当前页数 String currentPageStr = request.getParameter("currentPage"); // 获取页大小 String pageSize = request.getParameter("pageSize"); //页面条数 int rowPerPage = EmptyUtils.isEmpty(pageSize) ? 5 : Integer.parseInt(pageSize); //当前页 int currentPage = EmptyUtils.isEmpty(currentPageStr) ? 1 : Integer.parseInt(currentPageStr); // 获取总记录数！ int total = new ProductServiceImpl().getTotalCount(); int pageCount=(total % rowPerPage == 0)?(total / rowPerPage):(total / rowPerPage)+1; Pager pager = new Pager(total, rowPerPage, currentPage); if(pager.getPageCount()<pager.getCurrentPage()) { pager.setCurrentPage(currentPage-1); } pager.setUrl("/ProductServlet?action=index"); // 访问三层！ List<EasybuyProduct> productList = new ProductServiceImpl().getEasybuyProductAll(pager); // 放置对象！ request.setAttribute("productList", productList); request.setAttribute("pager", pager); request.setAttribute("menu", 5); return "/backend/product/productList"; } /** * 修改商品信息！ * @param request * @param response * @return * @throws Exception */ public String updateAndDel(HttpServletRequest request, HttpServletResponse response) throws Exception { Pager pager = null; // 获取当前页数 String currentPageStr = request.getParameter("currentPage"); // 获取页大小 String pageSize = request.getParameter("pageSize"); //页面条数 int rowPerPage = EmptyUtils.isEmpty(pageSize) ? 5 : Integer.parseInt(pageSize); //当前页 int currentPage = EmptyUtils.isEmpty(currentPageStr) ? 1 : Integer.parseInt(currentPageStr); // 获取总记录数！ int total = new ProductServiceImpl().getTotalCount(); // 分页操作！ int pageCount=(total % rowPerPage == 0)?(total / rowPerPage):(total / rowPerPage)+1; String sid=request.getParameter("id"); int id=EmptyUtils.isEmpty(sid)?0:Integer.parseInt(sid); if(id==0) { pager = new Pager(total, rowPerPage, pageCount); }else { pager= new Pager(total, rowPerPage, currentPage); } if(pager.getPageCount()<pager.getCurrentPage()) { pager.setCurrentPage(currentPage-1); } pager.setUrl("/ProductServlet?action=index"); // 访问三层！ List<EasybuyProduct> productList = new ProductServiceImpl().getEasybuyProductAll(pager); // 放置对象！ request.setAttribute("productList", productList); request.setAttribute("pager", pager); request.setAttribute("menu", 5); return "/backend/product/productList"; } /** * @param request * @return */ private List<EasybuyCollect> getUserFromSession(HttpServletRequest request) { HttpSession session = request.getSession(); // 获取对象！ EasybuyUser user = (EasybuyUser) session.getAttribute("easybuyUserLogin"); List<EasybuyCollect> list=null; if(user!=null) { list=new CartServiceImpl().selectByUserId(user.getId()); } return list; } /** * 获取一级分类！ * @param request * @param response * @return * @throws Exception */ public String queryProductList(HttpServletRequest request, HttpServletResponse response) throws Exception { String category = request.getParameter("category");// id String menu = request.getParameter("menu");// id String currentPageStr = request.getParameter("currentPage"); // 获取页大小 String pageSizeStr = request.getParameter("pageSize"); int rowPerPage = EmptyUtils.isEmpty(pageSizeStr) ? 8 : Integer.parseInt(pageSizeStr); int currentPage = EmptyUtils.isEmpty(currentPageStr) ? 1 : Integer.parseInt(currentPageStr); int total = new ProductServiceImpl().getProductRowCount(Integer.parseInt(category)); Pager pager = new Pager(total, rowPerPage, currentPage); pager.setUrl("/ProductServlet?action=queryProductList&category=" + category); // 访问三层！ List<EasybuyProduct> productList = new ProductServiceImpl() .getEasybuyProductListByCategoryId(Integer.parseInt(category), pager); List<EasybuyProductCategory> list = new ProductCategoryServiceImpl().getProductCategoryList(1); List<EasybuyProductCategory> list2 = new ProductCategoryServiceImpl().getProductCategoryList(2); List<EasybuyProductCategory> list3 = new ProductCategoryServiceImpl().getProductCategoryList(3); List<EasybuyCollect> listCollect=getUserFromSession(request); request.setAttribute("listCollect", listCollect); // 放置对象！ request.setAttribute("list", list); request.setAttribute("list2", list2); request.setAttribute("list3", list3); request.setAttribute("productList", productList); request.setAttribute("pager", pager); request.setAttribute("total", total); request.setAttribute("menu", menu); return "/pre/product/queryProductList"; } public String queryLikeProductList(HttpServletRequest request, HttpServletResponse response) throws Exception { String category = request.getParameter("keyWord");// 名字 String currentPageStr = request.getParameter("currentPage"); // 获取页大小 String pageSizeStr = request.getParameter("pageSize"); int rowPerPage = Emp