单文件上传

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上传页面

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>  <head>    <title>下载页面</title>   </head>    <body>     <form action="upload.action" method="post" enctype="multipart/form-data">      上传者：<input type="text" name="uploader"/><br/>    选择文件上传：<input type="file" name="mypic"/><br/>    <input type="submit" value="上传"/><br/>     </form>  </body></html>

Auction类

package Action;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import org.apache.struts2.ServletActionContext;public class UploadAction {// 定义请求参数private String uploader;// 上传者private File mypic;// 上传文件private String mypicContentType;// 上传文件类型private String mypicFileName;// 上传文件的文件名// 定义服务器上传路径private String savePath;public String getUploader() {return uploader;}public void setUploader(String uploader) {this.uploader = uploader;}public File getMypic() {return mypic;}public void setMypic(File mypic) {this.mypic = mypic;}public String getMypicContentType() {return mypicContentType;}public void setMypicContentType(String mypicContentType) {this.mypicContentType = mypicContentType;}public String getMypicFileName() {return mypicFileName;}public void setMypicFileName(String mypicFileName) {this.mypicFileName = mypicFileName;}public String getSavePath() {return savePath;}public void setSavePath(String savePath) {this.savePath = savePath;}public String load() throws Exception {// 获取服务器保存路径绝对地址try {String adsSavePath = ServletActionContext.getServletContext().getRealPath(savePath);// 使用文件读写实现文件上传FileInputStream fis = new FileInputStream(mypic);FileOutputStream fos = new FileOutputStream(adsSavePath+ File.separator + mypicFileName);byte[] b = new byte[fis.available()];fis.read();fos.write(b);// 关闭流fis.close();fos.flush();fos.close();} catch (Exception e) {e.printStackTrace();return "error";}return "success";}}

Struts.xml配置

<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd"><struts>   <package name="default" namespace="/"  extends="struts-default">     <action name="upload" class="Action.UploadAction" method="load">      <param name="savePath">/upload</param>      <result name="success">success.jsp</result>      <result name="error">error.jsp</result>     </action>   </package></struts>

上传成功页面

<%@ page language="java" contentType="text/html; charset=UTF-8"    pageEncoding="UTF-8"%><%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>文件上传成功页面</title></head><body>   恭喜：${uploader }上传成功<br/> 上传文件是：${mypicFileName }     </body></html>

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