JSP+Servlet网上书城

package com.mvc.servlet; import java.io.IOException; import javax.servlet.RequestDispatcher; 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 javax.servlet.jsp.PageContext; import com.jspsmart.upload.File; import com.jspsmart.upload.SmartUpload; import com.jspsmart.upload.SmartUploadException; import com.mvc.daoimpl.addbook_proxy; import com.mvc.javabean.products; public class addBook extends HttpServlet { private static final long serialVersionUID = 1L; products p=new products();//实例化产品 addbook_proxy add=new addbook_proxy();//实例化代理实现类 File f=null; protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { SmartUpload su=new SmartUpload();//实例化上传组件 su.initialize(getServletConfig(), request, response);//初始化上传操作 //su.setMaxFileSize(100000); //su.setTotalMaxFileSize(200000); //su.setAllowedFilesList("jpg");//允许上传的文件类型 String filename="";//获取的文件名 try { su.upload(); su.getRequest().toString();//设置为String类型 su.save("D:/Java EE/buybooksys/WebContent/images"); request.setCharacterEncoding("UTF-8"); if(su.getRequest().getParameter("pnum").equals("")||su.getRequest().getParameter("price").equals("")|| su.getRequest().getParameter("id").equals("")|| su.getRequest().getParameter("name").equals("")|| su.getRequest().getParameter("category").equals("")|| su.getRequest().getParameter("description").equals("")) { request.setAttribute("info","信息未输入完整!"); RequestDispatcher rd=request.getRequestDispatcher("jsp/user2/addbooks.jsp"); rd.forward(request, response);return; } else if(su.getFiles().getFile(0).getFileName().equals("")) { request.setAttribute("info","请选择上传图片"); RequestDispatcher rd=request.getRequestDispatcher("jsp/user2/addbooks.jsp"); rd.forward(request, response);return; } else { p.setId(new String(su.getRequest().getParameter("id").getBytes(),"UTF-8")); p.setName(new String(su.getRequest().getParameter("name").getBytes(),"UTF-8")); Double d=Double.valueOf(su.getRequest().getParameter("price")); p.setPrice(d); p.setCategory(new String(su.getRequest().getParameter("category").getBytes(),"utf-8")); int num=Integer.parseInt(su.getRequest().getParameter("pnum")); p.setPnum(num); p.setDescription(new String(su.getRequest().getParameter("description").getBytes(),"UTF-8")); f=su.getFiles().getFile(0); filename=f.getFileName(); System.out.println("图片文件名为:"+filename); p.setImgurl("/images/"+filename); if(add.add(filename,p))//添加商品的数据库操作 { request.setAttribute("info","商品上传成功"); RequestDispatcher rd=request.getRequestDispatcher("jsp/user2/addbooks.jsp"); rd.forward(request, response); } else { request.setAttribute("info","上传失败，请重新填写商品ID"); RequestDispatcher rd=request.getRequestDispatcher("jsp/user2/addbooks.jsp"); rd.forward(request, response); } } } catch (SmartUploadException e) { e.printStackTrace(); } } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } }