文件上传

UploadFilepackage com.sys.CommonUtil;import java.io.BufferedInputStream;import java.io.BufferedOutputStream;import java.io.ByteArrayOutputStream;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;public class UploadFile { ???????/** 上传文件 ????* 写Bytes数据到文件 ?????* @param bytes ?????* @param fileName ?????*/ ?????public static boolean writeBytesToFile(byte bytes[], String filePath, ?????????????String fileName) { ?????????boolean rtn = false; ?????????FileOutputStream fos = null; ?????????java.io.File myFilePath = null; ?????????try { ?????????????myFilePath = new java.io.File(filePath); ?????????????if (!myFilePath.exists()) { ?????????????????myFilePath.mkdir(); ?????????????} ?????????????fos = new FileOutputStream(filePath + fileName); ?????????????fos.write(bytes); ?????????????fos.flush(); ?????????????rtn = true; ?????????} catch (FileNotFoundException e) { ?????????????e.printStackTrace(); ?????????} catch (IOException e) { ?????????????e.printStackTrace(); ?????????} finally { ?????????????myFilePath = null; ?????????????try { ?????????????????fos.close(); ?????????????} catch (IOException iex) { ?????????????????iex.printStackTrace(); ?????????????} ?????????} ?????????return rtn; ?????} ?????/** ?????* 获得指定文件的byte数组 ?????*/ ?????public static byte[] getBytes(String filePath){ ?????????byte[] buffer = null; ?????????try { ?????????????File file = new File(filePath); ?????????????FileInputStream fis = new FileInputStream(file); ?????????????ByteArrayOutputStream bos = new ByteArrayOutputStream(); ?????????????byte[] b = new byte[1024]; ?????????????int n; ?????????????while ((n = fis.read(b)) != -1) { ?????????????????bos.write(b, 0, n); ?????????????} ?????????????fis.close(); ?????????????bos.close(); ?????????????buffer = bos.toByteArray(); ?????????} catch (FileNotFoundException e) { ?????????????e.printStackTrace(); ?????????} catch (IOException e) { ?????????????e.printStackTrace(); ?????????} ?????????return buffer; ?????} ????????????/** ????????* ?????????* @param f 上传的文件 ????????* @param outpath 上传路径 ????????* @param outname 文件名称 ????????*/ ???????public static void upload(File f,String outpath,String outname) { ?????????????BufferedInputStream bis = null; ?????????????BufferedOutputStream bos = null; ?????????????try { ?????????????????InputStream datas=new FileInputStream(f); ???????????????//获取客户端传递的InputStream ?????????????????bis = new BufferedInputStream(datas); ?????????????????//创建文件输出流 ?????????????????bos = new BufferedOutputStream(new FileOutputStream(outpath+outname)); ?????????????????byte[] buffer = new byte[8192]; ?????????????????int r = bis.read(buffer, 0, buffer.length); ?????????????????while (r > 0) { ?????????????????????bos.write(buffer, 0, r); ?????????????????????r = bis.read(buffer, 0, buffer.length); ?????????????????} ?????????????????System.out.println("-------文件上传成功！-------------"); ?????????????} catch (IOException e) { ?????????????????throw new RuntimeException(e); ?????????????} finally { ?????????????????if (bos != null) { ?????????????????????try { ?????????????????????????bos.close(); ?????????????????????} catch (IOException e) { ?????????????????????????throw new RuntimeException(e); ?????????????????????} ?????????????????} ?????????????????if (bis != null) { ?????????????????????try { ?????????????????????????bis.close(); ?????????????????????} catch (IOException e) { ?????????????????????????throw new RuntimeException(e); ?????????????????????} ?????????????????} ?????????????} ?????????} ??????/**、 ?????* ?????????* @param path 上传路径 ?????* @param name 上传名称 ?????* @param datas 上传类容 ?????*/ ???public void Upload(String path,String name,String datas){ ???????try { ???????????FileOutputStream fos = new FileOutputStream(path+name); ???????????InputStream is = new FileInputStream(datas); ???????????byte[] buffer = new byte[8192]; ???????????int count = 0; ???????????while ((count = is.read(buffer)) > 0) { ???????????????fos.write(buffer, 0, count); ???????????} ???????????fos.close(); ???????????is.close(); ???????} catch (Exception e) { ???????????e.printStackTrace(); ???????} ???} ???????????public static void main(String[] args) { ???????File f = new File("c:/log/123.txt"); ???????upload(f, "c:/log/", "123.mp4"); ???} ???}