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Struts1.2實(shí)現(xiàn)單文件上傳

jsp:

<%@ page language="java" pageEncoding="GBK"%>

<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean"%>

<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html"%>

<html>

<head>

<title>JSP for UpfileForm form</title>

</head>

<body>

<html:form action="/upfile" enctype="multipart/form-data">

file : <html:file property="file" /><html:errors property="file"/><br/>

<html:submit value="確定"/>

</html:form>

</body>

</html>

注意表單類型必須為:enctype="multipart/form-data".
Struts-Config.xml:

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN" "http://struts.apache.org/dtds/struts-config_1_2.dtd">

<struts-config>

<data-sources />

<form-beans >

<form-bean name="upfileForm" type="com.yourcompany.struts.form.UpfileForm" />

</form-beans>

<global-exceptions />

<global-forwards />

<action-mappings >

<action

attribute="upfileForm"

input="/upfile.jsp"

name="upfileForm"

path="/upfile"

scope="request"

type="com.yourcompany.struts.action.UpfileAction" />

</action-mappings>

<message-resources parameter="com.yourcompany.struts.ApplicationResources" />

</struts-config>

web.xml:

<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="2.4" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

<servlet-name>action</servlet-name>

<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>

<init-param>

<param-name>config</param-name>

<param-value>/WEB-INF/struts-config.xml</param-value>

</init-param>

<init-param>

<param-name>debug</param-name>

<param-value>3</param-value>

</init-param>

<init-param>

<param-name>detail</param-name>

<param-value>3</param-value>

</init-param>

<load-on-startup>0</load-on-startup>

</servlet>

<servlet-mapping>

<servlet-name>action</servlet-name>

<url-pattern>*.do</url-pattern>

</servlet-mapping>

<welcome-file-list>

<welcome-file>index.jsp</welcome-file>

</welcome-file-list>

</web-app>

UpfileForm.java:

* Generated by MyEclipse Struts

* Template path: templates/java/JavaClass.vtl

package com.yourcompany.struts.form;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts.action.ActionErrors;

import org.apache.struts.action.ActionForm;

import org.apache.struts.action.ActionMapping;

import org.apache.struts.upload.FormFile;

/**

* MyEclipse Struts

* Creation date: 09-28-2007

* XDoclet definition:

* @struts.form name="upfileForm"

public class UpfileForm extends ActionForm {

* Generated fields

/** file property */

private FormFile file;

* Generated Methods

/**

* Method validate

* @param mapping

* @param request

* @return ActionErrors

public ActionErrors validate(ActionMapping mapping,

HttpServletRequest request) {

// TODO Auto-generated method stub

return null;

}

/**

* Method reset

* @param mapping

* @param request

public void reset(ActionMapping mapping, HttpServletRequest request) {

// TODO Auto-generated method stub

}

public FormFile getFile() {

return file;

}

public void setFile(FormFile file) {

this.file = file;

}

UpfileAction.java:

* Generated by MyEclipse Struts

* Template path: templates/java/JavaClass.vtl

package com.yourcompany.struts.action;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;

import org.apache.struts.action.ActionForm;

import org.apache.struts.action.ActionForward;

import org.apache.struts.action.ActionMapping;

import org.apache.struts.upload.FormFile;

import com.yourcompany.struts.form.UpfileForm;

/**

* MyEclipse Struts

* Creation date: 09-28-2007

* XDoclet definition:

* @struts.action path="/upfile" name="upfileForm" input="/upfile.jsp" scope="request" validate="true"

public class UpfileAction extends Action {

* Generated Methods

/**

* Method execute

* @param mapping

* @param form

* @param request

* @param response

* @return ActionForward

public ActionForward execute(ActionMapping mapping, ActionForm form,

HttpServletRequest request, HttpServletResponse response) {

UpfileForm upfileForm = (UpfileForm) form;

FormFile file = upfileForm.getFile();

FileOutputStream fileOutput;

try {

fileOutput = new FileOutputStream("d://" + file.getFileName());

fileOutput.write(file.getFileData());

fileOutput.flush();

fileOutput.close();

} catch (FileNotFoundException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

return null;

}

當(dāng)然對于Form我們也可以用動態(tài)的:

LazyValidatorForm uploadForm = (LazyValidatorForm) form;

然后FormFile可以直接通過form得到:

FormFile formFile = uploadForm.get("file");

相應(yīng)的在web.xml中的配置:

<form-bean name="uploadForm" type="org.apache.struts.validator.LazyValidatorForm" />

源碼下載

posted on 2008-01-31 18:11 々上善若水々閱讀(12087) 評論(3) 編輯收藏所屬分類: Struts1.x

# re: Struts1.2實(shí)現(xiàn)單文件上傳回復(fù) 更多評論

方法太牛比了。mail:yaoyao19851023@163.com

2008-11-19 13:07 | yaoyao

# re: Struts1.2實(shí)現(xiàn)單文件上傳回復(fù) 更多評論

不靠譜，用接口里的方法如何得到文件流？
FormFile file = upfileForm.getFile();
FileOutputStream fileOutput;

try {
fileOutput = new FileOutputStream("d://" + file.getFileName());
fileOutput.write(file.getFileData());

2011-05-03 10:16 | Stan

# re: Struts1.2實(shí)現(xiàn)單文件上傳[未登錄] 回復(fù) 更多評論

文件過大怎么么處理呀？謝啦

2012-05-12 19:24 | 陳晨

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