struts1.2 单文件上传
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="确定"/>
</html:form>
</body>
</html>注意表单类型必须为: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>
<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;
}
}当然对于Form我们也可以用动态的:
LazyValidatorForm uploadForm = (LazyValidatorForm) form;
然后FormFile可以直接 通过form得到:
FormFile formFile = uploadForm.get("file");相应的在web.xml中的配置：
<form-bean name="uploadForm" type="org.apache.struts.validator.lazyValidatorForm" />
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