Struts2上傳文件示例
源代碼:Struts2Upload.rar
1.包如下:請自行下載

2.Action類
package com.sterning;

import java.io.File;

import javax.servlet.ServletContext;

import org.apache.commons.io.FileUtils;
import org.apache.struts2.util.ServletContextAware;

import com.opensymphony.xwork2.ActionSupport;

public class StrutsFileUpload extends ActionSupport implements
ServletContextAware {

private File upload;// 實際上傳文件

private String uploadContentType; // 文件的內容類型

private String uploadFileName; // 上傳文件名

private String fileCaption;// 上傳文件時的備注

private ServletContext context;

public String execute() throws Exception {

try {
String targetDirectory = context.getRealPath("/upload");
String targetFileName = uploadFileName;
File target = new File(targetDirectory, targetFileName);
FileUtils.copyFile(upload, target);
setUploadFileName(target.getPath());//保存文件的存放路徑
} catch (Exception e) {

addActionError(e.getMessage());

return INPUT;
}

return SUCCESS;

}

public String getFileCaption() {
return fileCaption;
}

public void setFileCaption(String fileCaption) {
this.fileCaption = fileCaption;
}

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 void setServletContext(ServletContext context) {
this.context = context;
}

}
3.頁面
上傳頁面:upload.jsp
<%@ page language="java" contentType="text/html; charset=GB2312"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
<title>文件上傳示例</title>
<link href="<s:url value="/css/main.css"/>" rel="stylesheet"
type="text/css" />

</head>

<body>

<s:actionerror />
<s:fielderror />
<s:form action="doUpload" method="POST" enctype="multipart/form-data">
<tr>
<td colspan="2">
<h1>
文件上傳示例
</h1>
</td>
</tr>

<s:file name="upload" label="上傳的文件" />
<s:textfield name="fileCaption" label="備注" />
<s:submit value="上 傳"/>
</s:form>
</body>
</html>
上傳成功頁面:upload_success.jsp
<%@ page language="java" contentType="text/html; charset=GB2312"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<html>
<head>
<title>上傳成功</title>
<link href="<s:url value="/css/main.css"/>" rel="stylesheet"
type="text/css" />
</head>

<body>
<table class="wwFormTable">
<tr>

<td colspan="2">
<h1>
上傳成功
</h1>
</td>
</tr>

<tr>
<td class="tdLabel">
<label for="doUpload_upload" class="label">
內容類型:
</label>
</td>
<td>
<s:property value="uploadContentType" />
</td>
</tr>

<tr>
<td class="tdLabel">
<label for="doUpload_upload" class="label">
文件路徑:
</label>
</td>
<td>
<s:property value="uploadFileName" />
</td>
</tr>


<tr>
<td class="tdLabel">
<label for="doUpload_upload" class="label">
臨時文件:
</label>
</td>
<td>
<s:property value="upload" />
</td>
</tr>

<tr>
<td class="tdLabel">
<label for="doUpload_upload" class="label">
備注:
</label>
</td>
<td>
<s:property value="fileCaption" />
</td>
</tr>


</table>

</body>
</html>
4.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>
<constant name="struts.devMode" value="true" />
<constant name="struts.i18n.encoding" value="GB2312" />
<package name="NG" namespace="/" extends="struts-default">
<action name="showUpload">
<result>/upload.jsp</result>
</action>
<action name="doUpload" class="com.sterning.StrutsFileUpload">
<result name="input">/upload.jsp</result>
<result>/upload_success.jsp</result>
</action>
</package>

</struts>
5.web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

<display-name>customization</display-name>

<filter>
<filter-name>struts-cleanup</filter-name>
<filter-class>
org.apache.struts2.dispatcher.ActionContextCleanUp
</filter-class>
</filter>


<filter>
<filter-name>struts2</filter-name>
<filter-class>
org.apache.struts2.dispatcher.FilterDispatcher
</filter-class>
</filter>


<filter-mapping>
<filter-name>struts-cleanup</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>


<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

</web-app>

源代碼:Struts2Upload.rar
1.包如下:請自行下載

2.Action類



















































































3.頁面
上傳頁面:upload.jsp






























上傳成功頁面:upload_success.jsp







































































4.struts.xml






















5.web.xml






































