Struts框架文件上传示例-优快云博客

本文链接：https://blog.youkuaiyun.com/quwei7515/article/details/7847132

public ActionForward file(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response) {
LoginForm loginForm = (LoginForm) form;
FormFile file=loginForm.getMyfile();
/*String type=file.getContentType();
String name=file.getFileName();
int size=file.getFileSize();*/
//将上传的文件放到服务器中
FileOutputStream fos=null;
try {
byte[] data=file.getFileData();
ServletContext application=this.getServlet().getServletContext();
String realPath=application.getRealPath("/Files/");
String fileName=file.getFileName();
System.out.println(fileName);
System.out.println(realPath);
fos=new FileOutputStream(realPath+"/"+fileName);
fos.write(data);
fos.flush();
System.out.println("上传成功至"+realPath+"/"+fileName);
} catch (Exception e) {

e.printStackTrace();
}finally{
try {
fos.close();
} catch (IOException e) {
e.printStackTrace();
}
}

return null;

}

html部分

<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%@page import="org.apache.taglibs.standard.tag.common.core.ForEachSupport"%>
<%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!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>
正确<br>
<c:if test="${sessionScope.users==null}">
请退到登录页面登录之后在访问此页面
</c:if>
<br>
<c:if test="${sessionScope.users!=null}">
当前登录用户名为：${sessionScope.users.userName } or ${sessionScope.users.passWord }<br>
${login.userName} <br>和<br>
${login.passWord}

<%
List list=(List)request.getAttribute("list");
for(Object object:list){
%><br><input type="text" readonly="readonly" value="<%= object.toString() %>"/><%
}
%>
<form action="${pageContext.request.contextPath}/login.do?operate=file" method="post" enctype="multipart/form-data" acceptCharset="utf-8">
<input type="file" name="myfile"/ value="浏览"/>
<input type="submit" value="上传"/>
</form>
</c:if>

</body>
</html>

struts文件上传