public static byte[] getFileByteContent(InputStream is, String encoding) throws IOException{
        byte[] buffer = new byte[1024];
        int len;
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        while((len = is.read(buffer)) != -1){
            outputStream.write(buffer, 0, len);
        }
        outputStream.close();
        is.close();
        return outputStream.toByteArray();
    }
public static byte[] getFileByteContent(InputStream is, String encoding) throws IOException{
        byte[] buffer = new byte[1024];
        int len;
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        while((len = is.read(buffer)) != -1){
            outputStream.write(buffer, 0, len);
        }
        outputStream.close();
        is.close();
        return outputStream.toByteArray();
    }
public static byte [ ] getFileByteContent ( InputStream is , String encoding ) throws IOException { byte [ ] buffer = new byte [ 1024 ] ; int len ; ByteArrayOutputStream outputStream = new ByteArrayOutputStream ( ) ; while ( ( len = is . read ( buffer ) ) != - 1 ) { outputStream . write ( buffer , 0 , len ) ; } outputStream . close ( ) ; is . close ( ) ; return outputStream . toByteArray ( ) ; }
按照指定编码获取输入流字节内容
@param is 输入流
@param encoding 编码
@return 字节数组
@throws IOException io exception
按照指定编码获取输入流字节内容