上传文件的简单测试

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);
	}

}