1. upload.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@ taglib uri="/struts-tags" prefix="s"%>
<%
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>
<title>uploadDemo</title>
</head>
<body>
<s:form action="myUpload" enctype="multipart/form-data">
<s:file name="myfile"></s:file>
<s:submit value="submit"></s:submit>
</s:form>
</body>
</html>
2 uploadResult.jsp
<%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML >
<html>
<head>
</head>
<body>
Upload success!!
</body>
</html>
3 UploadAction.java
package com.xiping.action;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import com.opensymphony.xwork2.ActionSupport;
public class UploadAction extends ActionSupport {
private File myfile; // 对应真正上传的文件
private String myfileFileName; // 对应上传的文件名
public File getMyfile() {
return myfile;
}
public void setMyfile(File myfile) {
this.myfile = myfile;
}
public String getMyfileFileName() {
return myfileFileName;
}
public void setMyfileFileName(String myfileFileName) {
this.myfileFileName = myfileFileName;
}
@Override
public String execute() throws Exception {
InputStream is = new FileInputStream(myfile);
OutputStream os = new FileOutputStream("E://temp3//" + myfileFileName);
byte[] buffer = new byte[1024];
int length = 0;
while (-1 != (length = is.read(buffer))) {
os.write(buffer, 0, length);
}
os.close();
is.close();
return SUCCESS;
}
}
4 struts.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN" "http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<!-- 所有匹配*.action的请求都由struts2处理 -->
<constant name="struts.action.extension" value="action" />
<!-- 是否启用开发模式 -->
<constant name="struts.devMode" value="true" />
<!-- struts配置文件改动后，是否重新加载 -->
<constant name="struts.configuration.xml.reload" value="true" />
<!-- 设置浏览器是否缓存静态内容 -->
<constant name="struts.serve.static.browserCache" value="false" />
<!-- 请求参数的编码方式 -->
<constant name="struts.i18n.encoding" value="utf-8" />
<!-- 每次HTTP请求系统都重新加载资源文件，有助于开发 -->
<constant name="struts.i18n.reload" value="true" />
<!-- 文件上传最大值 -->
<constant name="struts.multipart.maxSize" value="104857600" />
<!-- 让struts2支持动态方法调用 -->
<constant name="struts.enable.DynamicMethodInvocation" value="true" />
<!-- Action名称中是否还是用斜线 -->
<constant name="struts.enable.SlashesInActionNames" value="false" />
<!-- 允许标签中使用表达式语法 -->
<constant name="struts.tag.altSyntax" value="true" />
<package name="struts" extends="struts-default">
<action name="myUpload" class="com.xiping.action.UploadAction">
<result name="success">/uploadResult.jsp</result>
</action>
</package>
</struts>
时间： 2024-08-04 03:11:07