蓝色天空

摘要： private static final int BUFFER_SIZE = 256 * 1024 ;try { InputStream in=null; OutputStream out=null; try{ in=new BufferedInputStream(new FileInputStream(src),Buffer_size); out=new BufferedInputStream(new FileOutputStream(dst),Buffer_size); int srcfilesize=in.available(); byte[] buffer=new byte[srcfi 阅读全文