then, 指定 Targeted Runtime: Apache Tomcate v8.5.
pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.cheng</groupId>
<artifactId>struts2-file_upload</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>struts2-file_upload Maven Webapp</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<struts2.version>2.5.13</struts2.version>
<log4j2.version>2.8.2</log4j2.version>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-core</artifactId>
<version>${struts2.version}</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>${log4j2.version}</version>
</dependency>
<dependency>
<groupId>javassist</groupId>
<artifactId>javassist</artifactId>
<version>3.12.0.GA</version>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-api</artifactId>
<version>${log4j2.version}</version>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<finalName>struts2-file_upload</finalName>
</build>
</project>When complete the
pom.xml, save it, and maven will help to add thedependencies.
添加 source folder :
src/main/javasrc/test/javasrc/test/resources
first:
project => properties => Java Build Path => Source => Remove the missing folder => then, Apply => at the project level, New Source Folder => input Folder name like src/main/java => Finish, and ok!
index.jsp
<html>
<head><meta http-equiv="Refresh" content="0;URL=upload.action"></head>
<body>
<h2>Loading ...</h2>
</body>
</html>
WEB-INF/upload.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@taglib prefix="s" uri="/struts-tags" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>File upload</title>
</head>
<body>
<s:form action="upload" method="post" enctype="multipart/form-data">
<s:file name="upload"></s:file>
<s:file name="upload"></s:file>
<s:file name="upload"></s:file>
<s:submit></s:submit>
</s:form>
<s:iterator value="upload" var="u">
<s:property value="u"/><br>
</s:iterator>
<s:iterator value="uploadContentType" var="ct">
<s:property value="ct"/><br>
</s:iterator>
<s:iterator value="uploadFileName" var="fn">
<s:property value="fn"/><br>
</s:iterator>
</body>
</html>WEB-INF/web.xml
<!DOCTYPE web-app >
<web-app>
<display-name>Struts Blank</display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<filter>
<filter-name>struts2</filter-name>
<!-- 注意2.2.1版本的struts2的filter在ng包里 -->
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>log4j2.xml
<?xml version="1.0" encoding="UTF-8"?>
<Configuration>
<Appenders>
<Console name="STDOUT" target="SYSTEM_OUT">
<PatternLayout pattern="%d %-5p [%t] %C{2} (%F:%L) -%m%n" />
</Console>
</Appenders>
<Loggers>
<Logger name="com.opensymphony.xwork2" level="info" />
<Logger name="org.apache.struts2" level="info" />
<Root level="warn">
<AppenderRef ref="STDOUT" />
</Root>
</Loggers>
</Configuration>src/main/java/cheng/Upload.java
package cheng;
import java.io.File;
import java.util.Arrays;
import com.opensymphony.xwork2.ActionSupport;
/**
* <code>Allows upload a file</code>
*/
public class Upload extends ActionSupport {
/**
*
*/
private static final long serialVersionUID = 1L;
private File[] upload;
private String[] uploadFileName;
private String[] uploadContentType;
@Override
public String execute() throws Exception {
// TODO Auto-generated method stub
return INPUT;
}
public File[] getUpload() {
return upload;
}
public void setUpload(File[] upload) {
this.upload = upload;
}
public String[] getUploadFileName() {
return uploadFileName;
}
public void setUploadFileName(String[] uploadFileName) {
this.uploadFileName = uploadFileName;
}
public String[] getUploadContentType() {
return uploadContentType;
}
public void setUploadContentType(String[] uploadContentType) {
this.uploadContentType = uploadContentType;
}
@Override
public String toString() {
return "Upload [upload=" + Arrays.toString(upload) + ", uploadFileName=" + Arrays.toString(uploadFileName)
+ ", uploadContentType=" + Arrays.toString(uploadContentType) + "]";
}
}struts.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.5//EN"
"http://struts.apache.org/dtds/struts-2.5.dtd">
<struts>
<constant name="struts.enable.DynamicMethodInvocation" value="false"/>
<constant name="struts.devMode" value="true"/>
<!-- 指定国际化编码所使用的字符集 -->
<constant name="struts.i18n.encoding" value="UTF-8"/>
<package name="default" namespace="/" extends="struts-default">
<default-action-ref name="index"></default-action-ref>
<action name="index">
<result type="redirectAction">
<param name="actionName">upload</param>
</result>
</action>
<action name="upload" class="cheng.Upload">
<result name="input">WEB-INF/upload.jsp</result>
</action>
</package>
<!-- Add addition packages and configuration here. -->
</struts>export as war
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