package com.cc.web.servlet; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.text.SimpleDateFormat; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.beanutils.BeanUtils; import org.apache.commons.fileupload.FileItem; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.servlet.ServletFileUpload; import org.apache.commons.io.IOUtils; import com.cc.domain.Category; import com.cc.domain.Product; import com.cc.utils.CommonsUtils; import com.cc.web.service.AdminService; public class AdminProductServlet extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { Product product=new Product(); //收集数据的容器 Map<String, Object> map=new HashMap<String, Object>(); try { //目的:收集表单的数据并封装成实体Product 将上传图片存到服务器磁盘上 //创建磁盘文件项工厂 DiskFileItemFactory factory=new DiskFileItemFactory(); //创建文件上传的核心对象 ServletFileUpload upload=new ServletFileUpload(factory); //解析request获得文件项对象集合 List<FileItem> parseRequest = upload.parseRequest(request); for (FileItem item : parseRequest) { //判断是否是普通表单项 boolean formField = item.isFormField(); if(formField){ //普通表单项获得数据 封装到Product实体中 String fieldName = item.getFieldName(); String fieldVlue=item.getString("UTF-8");
//放进map里可以自动封装数据 map.put(fieldName, fieldVlue); }else{ //文件上传项获得文件的名称,获得文件的内容 String filename=item.getName(); String path=this.getServletContext().getRealPath("upload"); InputStream in=item.getInputStream(); OutputStream out=new FileOutputStream(path+"/"+filename); IOUtils.copy(in, out); in.close(); out.close(); item.delete(); map.put("pinmage", "/"+filename); } } BeanUtils.populate(product, map); //是否product对象封装数据完全,表单不具备的需要手动封装 //private String pid; product.setPid(CommonsUtils.getUUID()); //private Date pdate SimpleDateFormat format=new SimpleDateFormat("yyyy-MM-dd"); Date date=new Date(); String format2 = format.format(date); Date pdate=format.parse(format2); product.setPdate(pdate); //private int pflag; product.setPflag(0); //private Category category; Category category=new Category(); category.setCid(map.get("cid").toString()); product.setCategory(category); //将Product传递给service层 AdminService service =new AdminService(); service.saveProduct(product); } catch (Exception e) { e.printStackTrace(); } } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request, response); } }