系列化和反序列化的一个文砀

      /*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package cn.com.shxt.struts.action;

import java.io.File;
import java.io.FileOutputStream;

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

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.upload.FormFile;

import cn.com.shxt.struts.form.UploadFileForm;

/** 
 * MyEclipse Struts
 * Creation date: 05-29-2007
 * 
 * XDoclet definition:
 * @struts.action path="/uploadFile" name="uploadFileForm" input="/upload/uploadFile.jsp" scope="request" validate="true"
 */
public class UploadFileAction extends Action {
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)throws Exception {
		UploadFileForm uploadFileForm = (UploadFileForm) form;
		FormFile myFile = uploadFileForm.getTheFile();//获得上传的文件．
		String contentType = myFile.getContentType();
		String fileName = myFile.getFileName();
		int fileSize = myFile.getFileSize();
		byte[] fileData = myFile.getFileData();//按字节数组来获得上传文件的数据．
		
		
		System.out.println("contentType: " + contentType);
		System.out.println("File Name: " + fileName);
		System.out.println("File Size: " + fileSize);
		/**
		 * FileOutputStream提供的基本的文件写入能力．－文件输出流．
		 * 
		 * FileOutputStream(File　file)构造器使用File对象创建FileOutputStream对象．
		 * 可以使用write方法把字节发送给输出流．进行写文件．
		 * new File("c:\\" + fileName)－创建一个File对象．
		 */
		FileOutputStream out = new FileOutputStream(new File("c:\\" + fileName));
		//调用write方法顺序地向文件写入内容．
		out.write(fileData);
		out.close();
		/**
		 * 将文件的相关信息保存到用户的Session中，以供下载使用．以后要保存到数据库当中．
		 */
		HttpSession session = request.getSession();
		session.setAttribute("contentType", contentType);
		session.setAttribute("fileName", fileName);
		session.setAttribute("fileSize", Integer.valueOf(fileSize));
		
		return mapping.findForward("download");
	}
}