<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!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>Insert title here</title>
</head>
<body>
<form action="fileDownload.action" method="post">
<input type="submit" value="Download"></input>
</form>
</body>
</html>
package com.oa.action;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import com.opensymphony.xwork2.ActionSupport;
/**
*
* @author: zhao
* @time: 2016年5月5日
*
* @description:Struts2文件下载
*/
@SuppressWarnings("all")
public class FileDownloadAction extends ActionSupport{
private static final long serialVersionUID = 1L;
private InputStream inputStream;
private String filename;
@Override
public String execute() throws Exception {
File file=new File("E:\\imooc.txt");
filename=file.getName();
try {
inputStream=new FileInputStream(file);
System.out.println(inputStream.available());
} catch (Exception e) {
e.printStackTrace();
}
return SUCCESS;
}
public InputStream getInputStream() {
return inputStream;
}
public void setInputStream(InputStream inputStream) {
this.inputStream = inputStream;
}
public String getFilename() {
return filename;
}
public void setFilename(String filename) {
this.filename = filename;
}
}
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<package name="default" namespace="/" extends="struts-default">
<action name="fileDownload" class="com.oa.action.FileDownloadAction">
<result type="stream">
<param name="inputName">inputStream</param>
<param name="contentDisposition">attachment;filename="${filename}"</param>
<param name="contentType">application/octet-stream</param>
<param name="bufferSize">1024</param>
</result>
</action>
</package>
</struts>
