使用struts2实现多文件上传源码

来源：互联网发布：maya软件上色编辑：程序博客网时间：2024/05/22 20:10

开发环境：
myeclipse6.5+tomcat+6.0+jdk1.6
Register.java
package controller;
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.apache.commons.io.FileUtils;
import org.apache.struts2.ServletActionContext;
import com.opensymphony.xwork2.ActionSupport;
public class Register extends ActionSupport {
private String username;
private File uploadFile[]; //是File的数组类型
private String uploadFileFileName[];//由于上传多个文件，所以文件名也是数组类型
@Override
public void validate()
{
}
public void setUsername(String username)
{
  this.username=username;
}
public File[] getUploadFile()
{
  return uploadFile;
}
public void setUploadFile(File[] uploadFile)
{
  this.uploadFile=uploadFile;
}
public String[] getUploadFileFileName()
{
  return uploadFileFileName;
}
public void setUploadFileFileName(String[] uploadFileFileName)
{
  this.uploadFileFileName=uploadFileFileName;
}
public String execute() throws IOException
{
  System.out.println("username的值是："+username);
  String targetDirectory=ServletActionContext.getRequest().getRealPath("/upload");
  for(int i=0;i<uploadFile.length;i++)
  {
   File target=new File(targetDirectory,new SimpleDateFormat("yyyy_MM_dd_HH_mm_ss").format(new Date()).toString()+System.nanoTime()+uploadFileFileName[i]);
   FileUtils.copyFile(uploadFile[i], target);
  }
  return "register";
}
}
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">
<struts>
<package name="struts3.1" extends="struts-default">
<action name="register" class="controller.Register">
  <result name="register">/showregister.jsp</result>
  <result name="input">/register.jsp</result>
</action>
</package>
<constant name="struts.ui.theme" value="simple"></constant>
</struts>
register.jsp
<%@ page language="java" import="java.util." pageEncoding="utf-8"%>
<%@ page isELIgnored="false" %>
<%@ taglib uri="/struts-tags" prefix="s" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
    <title>我爱编程网</title>
</head>
<body>
    <s:form action="register" method="post" enctype="multipart/form-data">
    username:<s:textfield name="username"></s:textfield>
    <br/>
    <s:file name="uploadFile"></s:file>
    <br/>
    <s:file name="uploadFile"></s:file>
    <br/>
    <s:file name="uploadFile"></s:file>
    <br/>
    <s:submit value="提交"></s:submit>
    </s:form>
</body>
</html>
showregister.jsp
<%@ page language="java" import="java.util." pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
    <title>我爱编程网</title>
</head>
<body>
    上传成功！
</body>
</html>