uploadfileaction.java

struts的一些用的书籍

package app17a.action;

import java.io.File;
import java.io.RandomAccessFile;

import app17a.form.AttachmentForm;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.upload.FormFile;

public class UploadFileAction extends Action {
       
  public ActionForward execute(ActionMapping mapping, ActionForm form,
    HttpServletRequest request, HttpServletResponse response) throws Exception {

    AttachmentForm attachmentForm = (AttachmentForm) form;		
    if (attachmentForm!=null) {     
      String description = attachmentForm.getDescription();
      System.out.println("Description:" + description);
      FormFile formFile = attachmentForm.getFormFile();
      if (formFile!=null) {
        byte[] bytes = formFile.getFileData();
        ServletContext servletContext = getServlet().getServletContext();
		String savePath = servletContext.getRealPath("/WEB-INF");
		String fileName = formFile.getFileName();
		File uploadedFile = new File(savePath, fileName);
		RandomAccessFile raf = new RandomAccessFile(uploadedFile, "rw");
		raf.write(bytes);
        raf.close();
      }
    }
    return (mapping.findForward("success"));
  }
}