The struts2 framework provide facility to upload multiple file upload on the server . The multiple file add on list and display on the browser.The file component provide to choose multiple file which are following:
<s:file label="File 1" name="fileUpload" size="40" />
<s:file label="File 2" name="fileUpload" size="40" />
<s:file label="FIle 2" name="fileUpload" size="40" />
Directory Structure of Multiple <s:file> tag Example in Struts 2.0 Using MyEclipse IDE
index.jsp
<%@taglib uri="/struts-tags" prefix="s"%>
<h2>Multiple File Upload Example in Struts2 Framework</h2>
<s:actionerror/>
<s:form action="file" method="post" enctype="multipart/form-data">
<s:file name="file" label="File Attached-A" size="40"/>
<s:file name="file" label="File Attached-B" size="40"/>
<s:file name="file" label="File Attached-C" size="40"/>
<s:file name="file" label="File Attached-D" size="40"/>
<s:submit></s:submit>
</s:form>
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<filter>
<filter-name>f1</filter-name>
<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
</filter>
<filter-mapping>
<filter-name>f1</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
struts.xml
<?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="demo" extends="struts-default">
<action name="" class="org.r4r.MultipleFileUploadAction" method="display">
<result name="none" type="dispatcher">/index.jsp</result>
</action>
<action name="file" class="org.r4r.MultipleFileUploadAction">
<result name="success">/success.jsp</result>
<result name="input">/index.jsp</result>
</action>
</package>
</struts>
MultipleFileUploadAction.java
package org.r4r;
import java.io.File;
import java.util.List;
import com.opensymphony.xwork2.ActionSupport;
public class MultipleFileUploadAction extends ActionSupport{
private static final long serialVersionUID = 1L;
List<File> file;
List<String> fileContentType;
List<String> fileFileName;
public List<File> getFile() {
return file;
}
public void setFile(List<File> file) {
this.file = file;
}
public List<String> getFileContentType() {
return fileContentType;
}
public void setFileContentType(List<String> fileContentType) {
this.fileContentType = fileContentType;
}
public List<String> getFileFileName() {
return fileFileName;
}
public void setFileFileName(List<String> fileFileName) {
this.fileFileName = fileFileName;
}
public String execute(){
return "success";
}
public String display(){
return "none";
}
}
success.jsp
<%@taglib uri="/struts-tags" prefix="s"%>
<h2>Multiple File Upload Example in Struts2 Framework</h2>
<b>
File:-<s:property value="file"/>
<br/>Content Type:-<s:property value="fileContentType"/>
<br/>File Name:-<s:property value="fileFileName"/>
</b>
Output