jsp 简单的文件上传

package aaa.com.action;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;

import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionSupport;

public class UploadAction extends ActionSupport{
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	//封装文件域
	private File file;
	//封装提交过来的文件名称
	private String fileFileName;
	//封装文件类型
	private String fileContenType;
	
	@Override
	public String execute（） throws Exception {
		//通过上下文获取上传的文件的保存路径
		String root = ServletActionContext.getServletContext（）.getRealPath（“/upload“）;
		//通过输入流读取要上传的文件
		InputStream is = new FileInputStream（file）;
		//通过输出流写入到相对应的路径
		OutputStream os = new FileOut

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        630  2018-12-07 16:32  WenJanShangChuan\.classpath

     文件        321  2018-12-07 16:32  WenJanShangChuan\.mymetadata

     文件        240  2018-12-07 16:32  WenJanShangChuan\.mystrutsdata

     文件       1842  2018-12-07 17:02  WenJanShangChuan\.project

     文件        500  2018-12-07 16:32  WenJanShangChuan\.settings\.jsdtscope

     文件        395  2018-12-07 16:32  WenJanShangChuan\.settings\org.eclipse.jdt.core.prefs

     文件        486  2018-12-07 16:32  WenJanShangChuan\.settings\org.eclipse.wst.common.component

     文件        252  2018-12-07 16:32  WenJanShangChuan\.settings\org.eclipse.wst.common.project.facet.core.xml

     文件         49  2018-12-07 16:32  WenJanShangChuan\.settings\org.eclipse.wst.jsdt.ui.superType.container

     文件          6  2018-12-07 16:32  WenJanShangChuan\.settings\org.eclipse.wst.jsdt.ui.superType.name

     文件       1794  2018-12-10 16:41  WenJanShangChuan\src\aaa\com\action\UploadAction.java

     文件        387  2018-12-09 15:37  WenJanShangChuan\src\struts.xml

     文件         36  2018-12-07 16:32  WenJanShangChuan\WebRoot\meta-INF\MANIFEST.MF

     文件        846  2018-12-09 15:36  WenJanShangChuan\WebRoot\success.jsp

     文件        966  2018-12-10 14:06  WenJanShangChuan\WebRoot\upload.jsp

     文件       2194  2018-12-10 20:19  WenJanShangChuan\WebRoot\WEB-INF\classes\aaa\com\action\UploadAction.class

     文件        387  2018-12-09 15:37  WenJanShangChuan\WebRoot\WEB-INF\classes\struts.xml

     文件        705  2018-12-07 16:32  WenJanShangChuan\WebRoot\WEB-INF\web.xml

     目录          0  2018-12-10 20:19  WenJanShangChuan\WebRoot\WEB-INF\classes\aaa\com\action

     目录          0  2018-12-10 20:19  WenJanShangChuan\WebRoot\WEB-INF\classes\aaa\com

     目录          0  2018-12-07 16:46  WenJanShangChuan\src\aaa\com\action

     目录          0  2018-12-10 20:19  WenJanShangChuan\WebRoot\WEB-INF\classes\aaa

     目录          0  2018-12-07 17:07  WenJanShangChuan\src\aaa\com

     目录          0  2018-12-10 20:19  WenJanShangChuan\WebRoot\WEB-INF\classes

     目录          0  2018-12-07 16:32  WenJanShangChuan\WebRoot\WEB-INF\lib

     目录          0  2018-12-07 16:45  WenJanShangChuan\src\aaa

     目录          0  2018-12-07 16:32  WenJanShangChuan\WebRoot\meta-INF

     目录          0  2018-12-07 16:51  WenJanShangChuan\WebRoot\upload

     目录          0  2018-12-07 16:32  WenJanShangChuan\WebRoot\WEB-INF

     目录          0  2018-12-07 16:32  WenJanShangChuan\.myeclipse

............此处省略7个文件信息