cos-26上传个人案例

package cn.gdpe.upload;

import java.io.File;
import java.io.IOException;
import java.util.Enumeration;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.oreilly.servlet.MultipartRequest;

public class UploadServlet extends HttpServlet {

   public void doGet(HttpServletRequest request, HttpServletResponse response)
           throws ServletException, IOException {
       System.out.println("--- BEGIN DOPOST ---");
       HttpSession session = request.getSession();
       String uploadDir = "photoFile/";
       String ctxDir = session.getServletContext().getRealPath(String.valueOf("/"));
       if (!ctxDir.endsWith(String.valueOf("/"))) {
           ctxDir = ctxDir + "/";
       }
       File savePath = new File(ctxDir + uploadDir);
       if (!savePath.exists()) {
           savePath.mkdirs();
       }
       System.out.println(savePath.getName()+"======");
       String saveDirectory = ctxDir + uploadDir;


       int maxPostSize = 80 * 1024 * 1024;
       String encoding = "UTF-8";
       MultipartRequest multi = null;
       try {

           multi = new MultipartRequest(request, saveDirectory, maxPostSize, encoding);
       } catch (IOException e) {
           e.printStackTrace();
           return;
       }


       @SuppressWarnings("rawtypes")
       //传回所有文件输入类型的名称
       Enumeration files = multi.getFileNames();
       while (files.hasMoreElements()) {
           String name = (String) files.nextElement();
           File f = multi.getFile(name);
           System.out.println(f.getName());
           if (f != null) {
               String fileName = multi.getFilesystemName(name);
               String lastFileName = saveDirectory + "/" + fileName;
               String fileSavePath = uploadDir + fileName;
               System.out.println("SimpleUploaderServlet");
               System.out.println("绝对路径:" + lastFileName);
               System.out.println("相对路径:" + fileSavePath);
               response.getWriter().print(fileSavePath);
               response.getWriter().println(" ");
           }
       }

       System.out.println("--- END DOPOST ---");
   }

   public void doPost(HttpServletRequest request, HttpServletResponse response)
           throws ServletException, IOException {
       this.doGet(request,response);
   }

}