package com.gyarmy.upload;



import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.io.PrintWriter;

import java.util.List;



import javax.servlet.ServletException;

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.FileItemFactory;

import org.apache.commons.fileupload.FileUpload;

import org.apache.commons.fileupload.FileUploadException;

import org.apache.commons.fileupload.disk.DiskFileItemFactory;

import org.apache.commons.fileupload.servlet.ServletFileUpload;



public class UploadServlet extends HttpServlet {



	/**

	 * 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 {



		//测试文件上传的处理

		try {

			DiskFileItemFactory factory = new DiskFileItemFactory();

			ServletFileUpload parser = new ServletFileUpload(factory);

			List<FileItem> list = parser.parseRequest(request);

			

			//处理上传文件

			

			for (FileItem fileItem : list) {

				if(fileItem.isFormField())

				{

					//表单数据

					String fieldName = fileItem.getFieldName();

					String value = fileItem.getString();

					System.out.println(fieldName+"="+value);

				}else{

					//上传的二进制数据

					String filename = fileItem.getName();

					InputStream in = fileItem.getInputStream();

					OutputStream out = new FileOutputStream("h:\\"+filename);

					byte[] buf= new byte[1024];

					int len = 0;

					while((len = in.read(buf))>0){

						out.write(buf, 0, len);

					}

					in.close();

					out.close();

				}

			}

			

			

			

		} catch (FileUploadException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

		

		

		

		

		

	}



	/**

	 * 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 {



		doGet(request,response);

	}



}