Struts多文件上传

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struts2配置文件

<?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="front" namespace="/" extends="struts-default"><action name="upload" class="action.UplodeAction" method="upload"><param name="savePath">/uploadFile</param><result>/success.jsp</result></action></package></struts>

Action配置

package action;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import org.apache.struts2.ServletActionContext;import com.opensymphony.xwork2.ActionSupport;public class UplodeAction extends ActionSupport {private String title;private File[] upload;private String[] uploadContentType;private String[] uploadFileName;private String savePath;@Overridepublic String execute() throws Exception {return super.execute();}public String upload() throws Exception {for (int i = 0; i < upload.length; i++) {FileInputStream fis = new FileInputStream(upload[i]);FileOutputStream fos = new FileOutputStream(getSavePath() + "\\" + getTitle()+uploadFileName[i]);byte[] buffer = new byte[1024];int len = 0;while ((len = fis.read(buffer)) > 0) {fos.write(buffer, 0, len);}fos.close();fis.close();}return SUCCESS;}public String getTitle() {return title;}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 getSavePath() {return ServletActionContext.getServletContext().getRealPath(savePath);}public void setSavePath(String savePath) {this.savePath = savePath;}}

index页面即上传界面的设置

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><%String path = request.getContextPath();String basePath = request.getScheme() + "://"+ request.getServerName() + ":" + request.getServerPort()+ path + "/";%><%@taglib prefix="s" uri="/struts-tags"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><base href="<%=basePath%>"><title>My JSP 'index.jsp' starting page</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"></head><body><s:form action="/upload" enctype="multipart/form-data"><s:textfield name="title" label="文件名称" /><s:file name="upload" label="选择文件" /><s:file name="upload" label="选择文件" /><s:file name="upload" label="选择文件" /><s:submit value="开始上传" /></s:form></body></html>

上传成功的设置

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><%String path = request.getContextPath();String basePath = request.getScheme() + "://"+ request.getServerName() + ":" + request.getServerPort()+ path + "/";%><%@taglib prefix="s" uri="/struts-tags"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><base href="<%=basePath%>"><title>My JSP 'success.jsp' starting page</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"></head><body>上传成功!<br /> 文件标题:<s:property value="title" /><br /> 文件为：<s:iterator value="uploadFileName" var="fileName"> <img src="<s:property value="'uploadFile/'+title+ #fileName"/>" /> </s:iterator><s:debug /></body></html>

web.xml文件配置

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">  <display-name>Struts2Uplode</display-name>   <welcome-file-list>    <welcome-file>index.jsp</welcome-file>  </welcome-file-list>  <filter>      <filter-name>struts2</filter-name>      <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>  </filter>  <filter-mapping>  <filter-name>struts2</filter-name>  <url-pattern>/*</url-pattern>  </filter-mapping></web-app>

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