struts文件上传下载java,SSH

package com.xdsc.util; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import org.apache.struts2.ServletActionContext; public class YjssxUtils { public static void saveFile(File file, String savePath, String fileName){ FileOutputStream fos=null; String imagePath=ServletActionContext.getServletContext().getRealPath(savePath)+"\\"+fileName; byte[] buffer=new byte[1024]; try { fos=new FileOutputStream(imagePath); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } FileInputStream fis=null; try { fis=new FileInputStream(file); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } int len=0; try { while((len=fis.read(buffer))>0){ fos.write(buffer, 0, len); } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } public static void deleteFile(String savePath, String fileName){ String filePath=ServletActionContext.getServletContext().getRealPath(savePath)+"\\"+fileName; File file=new File(filePath); file.delete(); } }