1 /**
2 * 获得指定文件的byte数组
3 */
4
5 private byte[] getBytes(String filePath){
6 byte[] buffer = null;
7 try {
8 File file = new File(filePath);
9 FileInputStream fis = new FileInputStream(file);
10 ByteArrayOutputStream bos = new ByteArrayOutputStream(1000);
11 byte[] b = new byte[1000];
12 int n;
13 while ((n = fis.read(b)) != -1) {
14 bos.write(b, 0, n);
15 }
16 fis.close();
17 bos.close();
18 buffer = bos.toByteArray();
19 } catch (FileNotFoundException e) {
20 e.printStackTrace();
21 } catch (IOException e) {
22 e.printStackTrace();
23 }
24 return buffer;
25 }
1 /**
2 * 根据byte数组，生成文件
3 */
4 public static void getFile(byte[] bfile, String filePath,String fileName) {
5 BufferedOutputStream bos = null;
6 FileOutputStream fos = null;
7 File file = null;
8 try {
9 File dir = new File(filePath);
10 if(!dir.exists()&&dir.isDirectory()){//判断文件目录是否存在
11 dir.mkdirs();
12 }
13 file = new File(filePath+"\\"+fileName);
14 fos = new FileOutputStream(file);
15 bos = new BufferedOutputStream(fos);
16 bos.write(bfile);
17 } catch (Exception e) {
18 e.printStackTrace();
19 } finally {
20 if (bos != null) {
21 try {
22 bos.close();
23 } catch (IOException e1) {
24 e1.printStackTrace();
25 }
26 }
27 if (fos != null) {
28 try {
29 fos.close();
30 } catch (IOException e1) {
31 e1.printStackTrace();
32 }
33 }
34 }
35 }
