Struts1 文件上传 FormFile

<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html"%>
<html:html>
<html:form action="/myAction.do" enctype="multipart/form-data">
<html:file property="theFile"/>
<html:submit/>
</html:form>
</html:html>

package com.j2ee.zz.action;

import org.apache.struts.action.*;
import javax.servlet.http.*;
import com.j2ee.zz.actionform.*;
import org.apache.struts.upload.*;
import java.io.*;

public class myAction extends Action {
  public ActionForward perform(ActionMapping actionMapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) {
    /**@todo: complete the business logic here, this is just a skeleton.*/
    myActionForm myActionForm = (myActionForm) actionForm;
    if(actionForm instanceof myActionForm){
      String encoding = request.getCharacterEncoding();
      if(encoding != null && encoding.equalsIgnoreCase("UTF-8")){
        response.setContentType("text/html; charset=gb2312");
      }
      FormFile file = myActionForm.getTheFile();
      try{
        InputStream input = file.getInputStream();
        String path = request.getRealPath("/");
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        OutputStream out = new FileOutputStream(path+"/"+file.getFileName());

        System.out.println(path+"/"+file.getFileName());
        int i = 0;
        byte[] buff = new byte[8192];
        while((i = input.read(buff, 0, 8192)) != -1){
          out.write(buff,0,i);
        }
        out.close();
        input.close();
      }catch(Exception ex){
        System.out.println(ex.getMessage());
      }
      return actionMapping.findForward("succ");
    }
    return null;

  }
}

package com.j2ee.zz.actionform;


import javax.servlet.http.HttpServletRequest;
import org.apache.struts.action.*;
import org.apache.struts.upload.*;

/**
 * <p>Title:UpLoadForm</p>
 * <p>Description: QRRSMMS </p>
 * <p>Copyright: Copyright (c) 2004 jiahansoft</p>
 * <p>Company: jiahansoft</p>
 * @author wanghw
 * @version 1.0
 */

public class myActionForm extends ActionForm {
  public static final String ERROR_PROPERTY_MAX_LENGTH_EXCEEDED = "org.apache.struts.webapp.upload.MaxLengthExceeded";
  protected FormFile theFile;
  public FormFile getTheFile() {
      return theFile;
  }
  public void setTheFile(FormFile theFile) {
      this.theFile = theFile;
  }
  public ActionErrors validate(ActionMapping mapping, HttpServletRequest request)
  {
      ActionErrors errors = null;
      //has the maximum length been exceeded?
      Boolean maxLengthExceeded = (Boolean)
              request.getAttribute(MultipartRequestHandler.ATTRIBUTE_MAX_LENGTH_EXCEEDED);
      if ((maxLengthExceeded != null) && (maxLengthExceeded.booleanValue()))
      {
          errors = new ActionErrors();
          errors.add(ERROR_PROPERTY_MAX_LENGTH_EXCEEDED, new ActionError("maxLengthExceeded"));
      }
      return errors;

  }
}