JavaWeb 蛋糕商城

package servlet.admin; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.util.List; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.fileupload.FileItem; import org.apache.commons.fileupload.FileUploadException; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.servlet.ServletFileUpload; import model.Goods; import model.Type; import service.GoodsService; import service.TypeService; import service.imp.GoodsServiceImp; import service.imp.TypeServiceImp; /** * 添加-修改-商品 * @author CY */ @WebServlet({ "/admin-goods-add", "/admin-goods-update"}) public class AdminUpdataGoods extends HttpServlet { private static final long serialVersionUID = 1L; private GoodsService goodsService = new GoodsServiceImp(); public AdminUpdataGoods() {super();} protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { // response.getWriter().append(request.getServletPath()); if(request.getServletPath().equals("/admin-goods-update")) { int goodsID = Integer.parseInt(request.getParameter("goodsID")); Goods goods = goodsService.getGoodByID(goodsID); request.setAttribute("goods", goods); request.getRequestDispatcher("/admin/goods_update.jsp").forward(request, response); } } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { boolean flag = false; GoodsService goodsService = new GoodsServiceImp(); Goods goods = new Goods(); try { //保存文件 //创建DiskFileItemFactory文件项工厂对象 DiskFileItemFactory factory = new DiskFileItemFactory(); //文件缓存路径 String uploadPath = getServletContext().getRealPath("/picture2"); System.out.println(uploadPath); File f = new File(uploadPath); if(!f.exists()) { f.mkdirs(); } //设置文件缓存路径 factory.setRepository(f); //通过工厂对象获取文件上传请求核心解析类ServletFileUpload ServletFileUpload fileUpload = new ServletFileUpload(factory); //设置字符编码 fileUpload.setHeaderEncoding("utf-8"); //解析文件列表 List<FileItem> fileItems = fileUpload.parseRequest(request); //遍历 for(FileItem fileItem:fileItems) { //判断是否为普通字段 String value; if(fileItem.isFormField()){ value = fileItem.getString("utf-8"); if(fileItem.getFieldName().equals("goodsID")){ goods = goodsService.getGoodByID(Integer.parseInt(value)); System.out.println(goods); } }else { //保存文件 //上传的文件名(获取后缀) String name = fileItem.getName(); //文件名(时间戳) String fileName = System.currentTimeMillis()+"."+name.substring(name.lastIndexOf(".") + 1); //合成路径 String Urlpath = "/picture/"+fileName; String filePath = getServletContext().getRealPath(Urlpath); if(filePath == null) {System.out.println("没有修改图片");continue;} //创建文件 File file = new File(filePath); file.getParentFile().mkdirs(); file.createNewFile(); //获取上传文件的文本流 InputStream in = fileItem.getInputStream(); //打开文件 FileOutputStream out = new FileOutputStream(file); //复制流 byte[] buffer = new byte[1024]; int len; while((len=in.read(buffer))>0) { out.write(buffer,0, len); } //关闭流 in.close(); out.close(); //删除临时文件 fileItem.delete(); System.out.println("文件上传成功"); value = Urlpath; } switch (fileItem.getFieldName()) { case "username": goods.setName(value); break; case "intro": goods.setIntro(value); break; case "cover": goods.setCover(value); break; case "image1": goods.setImage1(value); break; case "image2": goods.setImage2(value); break; case "stock": goods.setStock(Integer.parseInt(value)); break; case "typeid": TypeService typeService = new TypeServiceImp(); Type type = typeService.getTypeByID(Integer.parseInt(value)); goods.setType(type); break; case "price": goods.setPrice(Float.parseFloat(value)); break; } } switch (request.getServletPath()) { case "/admin-goods-add": if(goodsService.insert(goods)) {flag = true;} break; case "/admin-goods-update": System.out.println(goods); if(goodsService.update(goods)) {flag = true;} break; } } catch (FileUploadException e) { // TODO Auto-generated catch block e.printStackTrace(); request.setAttribute("msg","文件列表解析失败"); request.getRequestDispatcher("fail.jsp").forward(request, response); return; } if(flag) { request.getRequestDispatcher("succend.jsp").forward(request, response); }else { request.getRequestDispatcher("fail.jsp").forward(request, response); } } }