fileuploadaction.java

来自「Begining JSP Web Development外文书籍源代码」· Java 代码 · 共 40 行

package com.example;

import java.io.OutputStream;
import java.io.IOException;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletException;

import org.apache.struts.upload.FormFile;

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

public class FileUploadAction extends Action {

	public ActionForward perform(ActionMapping mapping,ActionForm form,
		HttpServletRequest request,HttpServletResponse response) 
			throws IOException,ServletException {
										  	
		FileUploadForm theForm = (FileUploadForm) form;
			
		FormFile file = theForm.getMyFile();
		
		response.setContentType(file.getContentType());	
	
		OutputStream out = response.getOutputStream();
		out.write(file.getFileData());
		
		out.flush();
		out.close();		
			
		return null;
			
	}	
	
	
}