文件上传
UploadFile package 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"); } }