uploadaction.java

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/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.upload.struts.action;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
import org.apache.struts.action.ActionErrors;
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 org.apache.struts.util.MessageResources;
import com.upload.struts.form.UploadForm;
import java.util.Date;
/** 
 * MyEclipse Struts
 * Creation date: 08-09-2007
 * 
 * XDoclet definition:
 * @struts.action input="/index.jsp" validate="true"
 */
public class UploadAction extends Action {
	/*
	 * Generated Methods
	 */

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		UploadForm upform=(UploadForm)form;
		FormFile inputFile=upform.getFile();
		String fileName=inputFile.getFileName();
		try {
			fileName = new String(fileName.getBytes("gb2312"),"gbk");//处理中文文件名的问题
		} catch (UnsupportedEncodingException e1) {
			// TODO Auto-generated catch block
			e1.printStackTrace();
		}
		String filePath = request.getRealPath("/")+"load\\"+fileName;//取当前系统路径
		try{
			int max_size=8192;
			if(inputFile.getFileSize()>max_size){
				ActionErrors errors=new ActionErrors();
				errors.add(ActionErrors.GLOBAL_ERROR,new ActionError("error.maxsize"));
				saveErrors(request,errors);
				return mapping.findForward("failure");
			}
			InputStream inputStream=inputFile.getInputStream();
			byte[] fileContents=new byte[inputFile.getFileSize()];
			inputStream.read(fileContents);
			File outputFile=new File(filePath);
//			System.out.print(filePath+"load\\"+fileName);
			FileOutputStream fos=new FileOutputStream(outputFile);
			fos.write(fileContents);
			fos.close();
		}catch(FileNotFoundException e){
			e.printStackTrace();
			ActionErrors errors=new  ActionErrors();
			errors.add(ActionErrors.GLOBAL_ERROR,new ActionError("error.io"));
			saveErrors(request,errors);
			return mapping.findForward("failure");
		}catch(IOException ex){
			ex.printStackTrace();
			ActionErrors errors=new  ActionErrors();
			errors.add(ActionErrors.GLOBAL_ERROR,new ActionError("error.io"));
			saveErrors(request,errors);
			return mapping.findForward("failure");
		}
		request.setAttribute("filePath",filePath);
		return mapping.findForward("success");
	}
}