struts2 文件上传
单个文件上传：
FileAction
package com.file;
import java.io.File;
import java.util.List;
import org.apache.commons.io.FileUtils;
import com.opensymphony.xwork2.ActionSupport;
public class FilesAction extends ActionSupport{
private static final long serialVersionUID = -5016873153441103539L;
private List<File> uploads;
private List<String> fileNames;
private List<String> uploadContentTypes;
private List<String> names;
public void setNames(List<String> names) {
this.names = names;
}
public java.util.List<String> getUploadFileName()
{
return fileNames;
}
public void setUploadFileName(java.util.List<String> fileNames)
{
this.fileNames = fileNames;
}
public java.util.List<File> getUpload()
{
return uploads;
}
public void setUpload(java.util.List<File> uploads)
{
this.uploads = uploads;
}
public void setUploadContentType(java.util.List<String> contentTypes)
{
this.uploadContentTypes = contentTypes;
}
public java.util.List<String> getUploadContentType()
{
return this.uploadContentTypes;
}
public String execute() throws Exception
{
for(String s:names){
System.out.println(s);
}
if (uploads != null)
{
for (int i = 0; i < uploads.size(); i++)
{
File file=uploads.get(i);
String fileName=fileNames.get(i);
String targPath="e:/upload";
File toFile=new File(targPath,fileName);
FileUtils.copyFile(file,toFile);
System.out.println("i==="+i);
}
}
return SUCCESS;
}
}
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>Insert title here</title> </head> <body> <s:form action="fileAction" method="post" namespace="/file" enctype ="multipart/form-data"> <s:file name="doc" label="image File"></s:file> <s:submit></s:submit> </s:form> </body> </html>
多个文件上传
FilesAction
package com.file;
import java.io.File;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Random;
import javax.servlet.ServletContext;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.io.FileUtils;
import org.apache.struts2.interceptor.ServletRequestAware;
import org.apache.struts2.interceptor.ServletResponseAware;
import org.apache.struts2.util.ServletContextAware;
import com.opensymphony.xwork2.ActionSupport;
public class FileAction extends ActionSupport implements ServletRequestAware{
private static final long serialVersionUID = -5016873153441103539L;
private File doc;
private String fileName;
private String contentType;
private HttpServletRequest request;
private String path="";
public String getPath() {
return path;
}
public void setPath(String path) {
this.path = path;
}
public void setDoc(File file) {
this.doc = file;
}
public void setDocFileName(String fileName) {
this.fileName = fileName;
}
public void setDocContentType(String contentType) {
this.contentType = contentType;
}
@Override
public void setServletRequest(HttpServletRequest arg0) {
this.request=arg0;
}
public String execute() throws Exception {
String targetDirectory="e:/upload";
String targetFileName =fileName;
System.out.println(targetDirectory);
File target = new File(targetDirectory, targetFileName);
FileUtils.copyFile(doc, target);
path=targetDirectory+"/"+targetFileName;
return SUCCESS;
}
}
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> <script language="javascript">
function addComponent()
{
var uploadHTML = document.createElement( "<input type='file' name='upload'/>");
document.getElementById("files").appendChild(uploadHTML);
uploadHTML = document.createElement( "<p/>");
document.getElementById("files").appendChild(uploadHTML);
}
</script>
</head>
<body>
<input type="button" onclick="addComponent();" value="添加文件" />
<br />
<s:form onsubmit="return true;" action="filesAction" namespace="/file" enctype="multipart/form-data">
<span id="files"> <input type='file' name='upload' />
<p/>
</span>
<s:textfield name="names"></s:textfield><br>
<s:textfield name="names"></s:textfield><br>
<s:textfield name="names"></s:textfield><br>
<s:submit value="上传"></s:submit>
</s:form>
</body>
</html>