《struts2权威指南》学习笔记之struts2多文件上传--使用数组方式

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Struts JSP Apache XML C

上传页面：

<%@ page language="java" contentType="text/html; charset=GBK"%>

<%@taglib prefix="s" uri="/struts-tags"%>

<%@ page isELIgnored="false" %>

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

<head>

</head>

<body>

<s:fielderror/>

</form>

</body>

</html>

上传Action

package lee;

import com.opensymphony.xwork2.Action;

import com.opensymphony.xwork2.ActionContext;

import org.apache.struts2.ServletActionContext;

import java.io.*;

import com.opensymphony.xwork2.ActionSupport;

/**

* @author yeeku.H.lee kongyeeku@163.com

* @version 1.0

* <br>Copyright (C), 2005-2008, yeeku.H.Lee

* <br>This program is protected by copyright laws.

* <br>Program Name:

* <br>Date:

public class UploadAction extends ActionSupport

{

private String title;

private File[] upload;

private String[] uploadContentType;

private String[] uploadFileName;

//接受依赖注入的属性

private String savePath;

//接受依赖注入的方法

public void setSavePath(String value)

{

this.savePath = value;

}

private String getSavePath() throws Exception

{

return ServletActionContext.getRequest().getRealPath(savePath);

}

public void setTitle(String title) {

this.title = title;

}

public File[] getUpload() {

return upload;

}

public void setUpload(File[] upload) {

this.upload = upload;

}

public String[] getUploadContentType() {

return uploadContentType;

}

public void setUploadContentType(String[] uploadContentType) {

this.uploadContentType = uploadContentType;

}

public String[] getUploadFileName() {

return uploadFileName;

}

public void setUploadFileName(String[] uploadFileName) {

this.uploadFileName = uploadFileName;

}

public String getTitle() {

return title;

}

@Override

public String execute() throws Exception

{

System.out.println("开始上传单个文件-----------------------");

System.out.println(getSavePath());

System.out.println("==========" + getUploadFileName());

System.out.println("==========" + getUploadContentType());

System.out.println("==========" + getUpload());

File[] files=this.getUpload();

for(int i=0;i<files.length;i++){

//以服务器的文件保存地址和原文件名建立上传文件输出流

FileOutputStream fos = new FileOutputStream(getSavePath() + "\" + getUploadFileName()[i]);

FileInputStream fis = new FileInputStream(files[i]);

byte[] buffer = new byte[1024];

int len = 0;

while ((len = fis.read(buffer)) > 0)

{

fos.write(buffer , 0 , len);

}

return SUCCESS;

}

struts.xml

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE struts PUBLIC

"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"

"http://struts.apache.org/dtds/struts-2.0.dtd">

<interceptor-ref name="fileUpload">

<param name="allowedTypes">image/bmp,image/png,image/gif,image/jpeg,image/jpg</param>

</interceptor-ref>

<interceptor-ref name="defaultStack"/>

<param name="savePath">/upload</param>

<result name="input">/upload.jsp</result>

</action>

</package>

</struts>

结果显示页面：

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《struts2权威指南》学习笔记之struts2之 ... | 《struts2权威指南》学习笔记之struts2文 ...

2008-02-28 14:09
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