Java 文件和byte数组转换
2013年01月04日
⁄ 综合
⁄ 共 2228字 ⁄ 字号
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public class T3 {
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public static void main(String[] args){
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String filePath = "E:\\softoon\\workspace_softoon\\TestMobile\\src\\1.docx";
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String outFilePath = "E:\\softoon\\workspace_softoon\\TestMobile\\src";
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String outFileName = "2.docx";
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getFile(getBytes(filePath),outFilePath,outFileName);
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}
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public static byte[] getBytes(String filePath){
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byte[] buffer = null;
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try {
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File file = new File(filePath);
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FileInputStream fis = new FileInputStream(file);
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ByteArrayOutputStream bos = new ByteArrayOutputStream(1000);
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byte[] b = new byte[1000];
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int n;
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while ((n = fis.read(b)) != -1) {
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bos.write(b, 0, n);
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}
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fis.close();
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bos.close();
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buffer = bos.toByteArray();
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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} catch (IOException e) {
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e.printStackTrace();
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}
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return buffer;
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}
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public static void getFile(byte[] bfile, String filePath,String fileName) {
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BufferedOutputStream bos = null;
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FileOutputStream fos = null;
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File file = null;
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try {
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File dir = new File(filePath);
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if(!dir.exists()&&dir.isDirectory()){
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dir.mkdirs();
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}
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file = new File(filePath+"\\"+fileName);
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fos = new FileOutputStream(file);
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bos = new BufferedOutputStream(fos);
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bos.write(bfile);
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} catch (Exception e) {
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e.printStackTrace();
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} finally {
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if (bos != null) {
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try {
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bos.close();
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} catch (IOException e1) {
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e1.printStackTrace();
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}
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}
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if (fos != null) {
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try {
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fos.close();
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} catch (IOException e1) {
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e1.printStackTrace();
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}
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}
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}
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}
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}