photoupload.java

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package com.qhit.kgdyffje.service;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts.upload.FormFile;

/**
 * 图片上传
 * @author Administrator
 *
 */
public class PhotoUpload {
	public void upload(FormFile formfile,String dir){
		//得到上传的文件名
		String filename=formfile.getFileName();
		InputStream in=null;
		OutputStream out=null;
		try {
			//获得输入流对象
			in=formfile.getInputStream();
			//创建输出流对象
			out=new FileOutputStream(dir+"/"+filename);
			byte[] buff=new byte[8192];
			//真正读取的字节数
			int readcount=0;
			while((readcount=(in.read(buff,0, 8192)))!=-1){
				out.write(buff, 0, readcount);
				
			}
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}finally{
			try {
				if(out!=null)out.close();
				if(in!=null)in.close();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	}
}