package com.test.action;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;

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;

import com.test.form.UploadForm;

public class UploadAction extends Action {
	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest req, HttpServletResponse res) throws Exception {
		UploadForm uf=(UploadForm)form;
		String filename=uf.getFilename();
		FormFile file=uf.getFile();
		if(file!=null){
			System.out.println("我叫"+file.getFileName());
		}
		//这里需要注意的是request.getRealPath();已经废弃，可以通过
                //下面的方法来替代
		String path=req.getSession().getServletContext().getRealPath("/").replace("\\","/");
		File dir = new File(path+"upload/");
		dir.mkdirs();
		File file1 = new File(path+"upload/"+file.getFileName());
		System.out.println(path+"upload/"+file.getFileName());
		if(!file1.exists()){
			file1.createNewFile();
		}
		InputStream in=file.getInputStream();
		OutputStream out=new FileOutputStream(path+"upload/"+file.getFileName());
		int read=0;
		byte[] buffer=new byte[1024];
		while((read=in.read(buffer,0,1024))!=-1){
			out.write(buffer, 0, read);
		}
		in.close();
		out.close();
		req.setAttribute("fileName", file.getFileName());
		return mapping.findForward("success");
	}
}