<filter>
<filter-name>struts-cleanup</filter-name>
<filter-class> org.apache.struts2.dispatcher.ActionContextCleanUp
</filter-class>
</filter>
<filter>
<filter-name>struts2</filter-name>
<filter-class> org.apache.struts2.dispatcher.FilterDispatcher
</filter-class>
</filter>
<filter-mapping>
<filter-name>struts-cleanup</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<%@page language="java" contentType="text/html;charset=utf-8"
pageEncoding="utf-8"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>Struts2FileUpload</title>
</head>
<body>
<s:form action="fileUpload" method="POST" enctype="multipart/form-data">
<s:file name="myFile" label="ImageFile" />
<s:textfield name="caption" label="Caption" />
<s:submit />
</s:form>
</body>
</html>
<%@page language="java" contentType="text/html;charset=utf-8"
pageEncoding="utf-8"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Struts2FileUpload</title>
</head>
<body>
<div style="padding: 3px; border: solid1px #cccccc; text-align: center">
<img src='UploadImages/<s:property value="imageFileName"/>' /> <br />
<s:property value="caption" /></div>
</body>
</html>
<action name="fileUpload" class="com.action.FileUploadAction">
<interceptor-ref name="fileUpload">
<param name="allowedTypes"> image/bmp,image/png,image/gif,image/pjpeg,image/jpg </param>
</interceptor-ref>
<interceptor-ref name="defaultStack" />
<result>/ShowUpload.jsp</result>
</action>
package com.action;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Date;
import org.apache.struts2.ServletActionContext;
import com.opensymphony.xwork2.ActionSupport;
public class FileUploadAction extends ActionSupport {
private static final long serialVersionUID = 572146812454l;
private static final int BUFFER_SIZE = 16 * 1024;
private File myFile;
private String contentType;
private String fileName;
private String imageFileName;
private String caption;
public void setMyFileContentType(String contentType) {
this.contentType = contentType;
}
public void setMyFileFileName(String fileName) {
this.fileName = fileName;
}
public void setMyFile(File myFile) {
this.myFile = myFile;
}
public String getImageFileName() {
return imageFileName;
}
public String getCaption() {
return caption;
}
public void setCaption(String caption) {
this.caption = caption;
}
private static void copy(File src, File dst) {
try {
InputStream in = null;
OutputStream out = null;
try {
in = new BufferedInputStream(new FileInputStream(src),
BUFFER_SIZE);
out = new BufferedOutputStream(new FileOutputStream(dst),
BUFFER_SIZE);
byte[] buffer = new byte[BUFFER_SIZE];
while (in.read(buffer) > 0) {
out.write(buffer);
}
} finally {
if (null != in) {
in.close();
}
if (null != out) {
out.close();
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
private static String getExtention(String fileName) {
int pos = fileName.lastIndexOf(".");
return fileName.substring(pos);
}
@Override
public String execute() {
System.out.println("执行啦");
imageFileName = new Date().getTime() + getExtention(fileName);
File imageFile = new File(ServletActionContext.getServletContext()
.getRealPath("/UploadImages")
+ "/" + imageFileName);
copy(myFile, imageFile);
return SUCCESS;
}
}
