java实现网页新闻程序

package com.action; import java.io.*; import java.util.*; import com.entity.*; import com.service.*; import com.service.impl.*; import org.apache.commons.fileupload.*; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.servlet.ServletFileUpload; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class AddNewAction extends HttpServlet { /** * Constructor of the object. */ public AddNewAction() { super(); } /** * Destruction of the servlet. <br> */ public void destroy() { super.destroy(); // Just puts "destroy" string in log // Put your code here } /** * The doGet method of the servlet. <br> * * This method is called when a form has its tag value method equals to get. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request, response); } /** * The doPost method of the servlet. <br> * * This method is called when a form has its tag value method equals to post. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { request.setCharacterEncoding("GBK"); boolean ckUpload = ServletFileUpload.isMultipartContent(request); String ntid =""; String ntitle =""; String nauthor =""; String nsummary =""; String ncontent =""; String npicpath =""; // request.getParameter(arg0) 不能用 if(ckUpload){ //1. 文件上传 boolean ckFile = true;//文件是否上传成功 try{ DiskFileItemFactory df = new DiskFileItemFactory(); ServletFileUpload sfu = new ServletFileUpload(df);//上传组件 String filePath = request.getServletContext().getRealPath("upload/"); System.out.println("----filePath = "+filePath); //设置上传文件的大小 //sfu.setSizeMax(sizeMax); sfu.setFileSizeMax(500*1024*1024); //解析请求 List<FileItem> flist = sfu.parseRequest(request); for(FileItem fit : flist){ if(fit.isFormField()){ // 普通组件: text,checkbox,radio,password //取表单元素的值 if(fit.getFieldName().equals("ntid")){ ntid = fit.getString("GBK"); } if(fit.getFieldName().equals("ntitle")){ ntitle = fit.getString("GBK"); } if(fit.getFieldName().equals("nauthor")){ nauthor = fit.getString("GBK"); } if(fit.getFieldName().equals("ncontent")){ ncontent = fit.getString("GBK"); } if(fit.getFieldName().equals("nsummary")){ nsummary = fit.getString("GBK"); } }else{ // 文件组件 : input type= file //取文件名 String filename = fit.getName(); /* bak.txt * d:\\temp\\bak.txt */ int index = filename.lastIndexOf("\\"); if(index !=-1){ filename = filename.substring(index+1); } //随机数 String rand = UUID.randomUUID().toString(); filename = rand +"_"+ filename; System.out.println("----filename = "+filename); //设置web 访问路径 npicpath = "/news/upload/"+filename; //新建文件 File f2 = new File(filePath,filename); //写文件 fit.write(f2); } } }catch(Exception e){ e.printStackTrace(); ckFile = false;//文件上传失败 } //2. 进数据库 (必须文件上传无误) if(ckFile){ System.out.println(" --- npicpath = "+npicpath); } //3. 最后要去新闻列表页面 }else{ throw new ServletException("----enctype != multipart/from-data"); } } /** * Initialization of the servlet. <br> * * @throws ServletException if an error occurs */ public void init() throws ServletException { // Put your code here } }