1、jsp页面
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="/struts-tags" prefix="s"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>struts 2 File Upload Test</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<s:form action="fileUpload" method="POST"
enctype="multipart/form-data">
<s:file name="myFile" label="文件上传"/><br/>
<s:textfield name="inputText" label="输入文本"/><br/>
<s:submit value="提交" />
</s:form>
</body>
</html>
2、Action类package com.jxlg.demo;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Date;
import com.opensymphony.xwork2.ActionSupport;
public class FileUploadAction extends ActionSupport {
private static final int BUFFER_SIZE = 16 * 1024;
private String savePath; // 保存路径
private File myFile; // 待上传文件
private String myFileFileName; // 文件名
public String getMyFileFileName() {
return myFileFileName;
}
public void setMyFileFileName(String myFileFileName) {
this.myFileFileName = myFileFileName;
}
private String inputText;
public String getSavePath() {
return savePath;
}
public void setSavePath(String savePath) {
this.savePath = savePath;
}
public File getMyFile() {
return myFile;
}
public void setMyFile(File myFile) {
this.myFile = myFile;
}
public void setInputText(String inputText) {
this.inputText = inputText;
}
public String getInputText() {
return inputText;
}
private void copyFile(File src, File savePath) {
try {
// 原文件
FileInputStream fis = new FileInputStream(src);
BufferedInputStream bis = new BufferedInputStream(fis);
// 文件输出保存
FileOutputStream fos = new FileOutputStream(savePath);
BufferedOutputStream bos = new BufferedOutputStream(fos);
byte buffer[] = new byte[BUFFER_SIZE];
while (fis.read(buffer) > 0) {
bos.write(buffer);
}
System.out.println("成功上传文件(临时文件)" + src.getName());
System.out.println("文件存放在:" + savePath.getAbsolutePath());
bos.close();
fos.close();
bis.close();
fis.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
@Override
public String execute() throws Exception {
// TODO Auto-generated method stub
System.out.println("文本输入框输入的文字是:" + getInputText());
File src = getMyFile();
Date date = new Date();
System.out.println("=========filename:" + getMyFileFileName()
+ "=======contentType:" + getExtendsion());
//可以设置savePath的值，可以设置服务器的路径
File saveFilePath = new File(savePath + date.getTime()
+ getExtendsion());
System.out.println(saveFilePath.getAbsolutePath());
copyFile(src, saveFilePath);
return super.execute();
}
public String getExtendsion() {
int pos = getMyFileFileName().indexOf(".");
return getMyFileFileName().substring(pos);
}
}
3、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>
<constant name="struts.devMode" value="true"></constant>
<package name="mypackage" extends="struts-default">
<action name="fileUpload" class="com.jxlg.demo.FileUploadAction">
<interceptor-ref name="fileUpload">
<param name="allowedType">image/bmp,image/png,image/gif,image/jpeg</param>
</interceptor-ref>
<interceptor-ref name="defaultStack"></interceptor-ref>
<param name="savePath">d:\\helloworld\\</param>
<result name="success">/success_upload.jsp</result>
<result name="input">/index.jsp</result>
</action>
</package>
</struts>
5、附加的success_upload.jsp
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